Merge pull request #36 from janekptacijarabaci/devtools_import-from-moebius_2

Port across devtools enhancements - 2

52 files changed, 1531 insertions, 220 deletions

diff --git a/devtools/client/locales/en-US/netmonitor.properties b/devtools/client/locales/en-US/netmonitor.properties
index 021b56a2b..4926c234b 100644
--- a/devtools/client/locales/en-US/netmonitor.properties
+++ b/devtools/client/locales/en-US/netmonitor.properties
@@ -150,6 +150,11 @@ networkMenu.empty=No requests
 # #2 is the size, #3 is the transferred size, #4 is the number of seconds.
 networkMenu.summary2=One request, #2 KB (transferred: #3 KB), #4 s;#1 requests, #2 KB (transferred: #3 KB), #4 s
 
+# LOCALIZATION NOTE (networkMenu.timeS): This is the label displayed
+# in the network table footer providing concise information about all requests.
+# Events DOMContentLoaded and load - specifying the number of seconds.
+networkMenu.timeS=%S s
+
 # LOCALIZATION NOTE (networkMenu.sizeB): This is the label displayed
 # in the network menu specifying the size of a request (in bytes).
 networkMenu.sizeB=%S B
diff --git a/devtools/client/locales/en-US/storage.dtd b/devtools/client/locales/en-US/storage.dtd
index 211c79436..adfc03183 100644
--- a/devtools/client/locales/en-US/storage.dtd
+++ b/devtools/client/locales/en-US/storage.dtd
@@ -9,3 +9,6 @@
 
 <!-- LOCALIZATION NOTE : Label of popup menu action to delete all storage items. -->
 <!ENTITY storage.popupMenu.deleteAllLabel "Delete All">
+
+<!-- LOCALIZATION NOTE : Label of popup menu action to delete all session cookies. -->
+<!ENTITY storage.popupMenu.deleteAllSessionCookiesLabel "Delete All Session Cookies">
diff --git a/devtools/client/locales/en-US/storage.properties b/devtools/client/locales/en-US/storage.properties
index 1eeb88ff9..4719520bd 100644
--- a/devtools/client/locales/en-US/storage.properties
+++ b/devtools/client/locales/en-US/storage.properties
@@ -35,6 +35,7 @@ tree.labels.Cache=Cache Storage
 # LOCALIZATION NOTE (table.headers.*.*):
 # These strings are the header names of the columns in the Storage Table for
 # each type of storage available through the Storage Tree to the side.
+table.headers.cookies.uniqueKey=Unique key
 table.headers.cookies.name=Name
 table.headers.cookies.path=Path
 table.headers.cookies.host=Domain
@@ -52,14 +53,16 @@ table.headers.sessionStorage.value=Value
 table.headers.Cache.url=URL
 table.headers.Cache.status=Status
 
+table.headers.indexedDB.uniqueKey=Unique key
 table.headers.indexedDB.name=Key
 table.headers.indexedDB.db=Database Name
+table.headers.indexedDB.storage=Storage
 table.headers.indexedDB.objectStore=Object Store Name
 table.headers.indexedDB.value=Value
 table.headers.indexedDB.origin=Origin
 table.headers.indexedDB.version=Version
 table.headers.indexedDB.objectStores=Object Stores
-table.headers.indexedDB.keyPath=Key
+table.headers.indexedDB.keyPath2=Key Path
 table.headers.indexedDB.autoIncrement=Auto Increment
 table.headers.indexedDB.indexes=Indexes
 
@@ -84,7 +87,11 @@ storage.parsedValue.label=Parsed Value
 # Label of popup menu action to delete storage item.
 storage.popupMenu.deleteLabel=Delete “%S”
 
-# LOCALIZATION NOTE (storage.popupMenu.deleteAllLabel):
+# LOCALIZATION NOTE (storage.popupMenu.addItemLabel):
+# Label of popup menu action to add an item.
+storage.popupMenu.addItemLabel=Add Item
+
+# LOCALIZATION NOTE (storage.popupMenu.deleteAllFromLabel):
 # Label of popup menu action to delete all storage items.
 storage.popupMenu.deleteAllFromLabel=Delete All From “%S”
 
diff --git a/devtools/client/netmonitor/actions/index.js b/devtools/client/netmonitor/actions/index.js
index 2ce23448e..de8f4ae1d 100644
--- a/devtools/client/netmonitor/actions/index.js
+++ b/devtools/client/netmonitor/actions/index.js
@@ -5,6 +5,7 @@
 
 const filters = require("./filters");
 const requests = require("./requests");
+const timingMarkers = require("./timing-markers");
 const ui = require("./ui");
 
-module.exports = Object.assign({}, filters, requests, ui);
+module.exports = Object.assign({}, filters, requests, timingMarkers, ui);
diff --git a/devtools/client/netmonitor/actions/moz.build b/devtools/client/netmonitor/actions/moz.build
index d0ac61944..ce904cae8 100644
--- a/devtools/client/netmonitor/actions/moz.build
+++ b/devtools/client/netmonitor/actions/moz.build
@@ -7,5 +7,6 @@ DevToolsModules(
     'filters.js',
     'index.js',
     'requests.js',
+    'timing-markers.js',
     'ui.js',
 )
diff --git a/devtools/client/netmonitor/actions/timing-markers.js b/devtools/client/netmonitor/actions/timing-markers.js
new file mode 100644
index 000000000..4f1363a70
--- /dev/null
+++ b/devtools/client/netmonitor/actions/timing-markers.js
@@ -0,0 +1,19 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+const { ADD_TIMING_MARKER, CLEAR_TIMING_MARKERS } = require("../constants");
+
+exports.addTimingMarker = (marker) => {
+  return {
+    type: ADD_TIMING_MARKER,
+    marker
+  };
+};
+
+exports.clearTimingMarkers = () => {
+  return {
+    type: CLEAR_TIMING_MARKERS
+  };
+};
diff --git a/devtools/client/netmonitor/components/summary-button.js b/devtools/client/netmonitor/components/summary-button.js
index 223552fbf..00595e5e6 100644
--- a/devtools/client/netmonitor/components/summary-button.js
+++ b/devtools/client/netmonitor/components/summary-button.js
@@ -15,16 +15,22 @@ const { connect } = require("devtools/client/shared/vendor/react-redux");
 const { PluralForm } = require("devtools/shared/plural-form");
 const { L10N } = require("../l10n");
 const { 
-  getDisplayedRequestsSummary
+  getDisplayedRequestsSummary,
+  getDisplayedTimingMarker
 } = require("../selectors/index");
 
 const { button, span } = DOM;
 
 function SummaryButton({
   summary,
-  triggerSummary
+  triggerSummary,
+  timingMarkers
 }) {
   let { count, contentSize, transferredSize, millis } = summary;
+  let {
+    DOMContentLoaded,
+    load,
+  } = timingMarkers;
   const text = (count === 0) ? L10N.getStr("networkMenu.empty") :
     PluralForm.get(count, L10N.getStr("networkMenu.summary2"))
     .replace("#1", count)
@@ -33,7 +39,13 @@ function SummaryButton({
     .replace("#3", L10N.numberWithDecimals(transferredSize / 1024,
       CONTENT_SIZE_DECIMALS))
     .replace("#4", L10N.numberWithDecimals(millis / 1000,
-      REQUEST_TIME_DECIMALS));
+      REQUEST_TIME_DECIMALS))
+    + ((DOMContentLoaded > -1)
+        ? ", " + "DOMContentLoaded: " + L10N.getFormatStrWithNumbers("networkMenu.timeS", L10N.numberWithDecimals(DOMContentLoaded / 1000, REQUEST_TIME_DECIMALS))
+        : "")
+    + ((load > -1)
+        ? ", " + "load: " + L10N.getFormatStrWithNumbers("networkMenu.timeS", L10N.numberWithDecimals(load / 1000, REQUEST_TIME_DECIMALS))
+        : "");
 
   return button({
     id: "requests-menu-network-summary-button",
@@ -47,11 +59,17 @@ function SummaryButton({
 
 SummaryButton.propTypes = {
   summary: PropTypes.object.isRequired,
+  timingMarkers: PropTypes.object.isRequired,
 };
 
 module.exports = connect(
   (state) => ({
     summary: getDisplayedRequestsSummary(state),
+    timingMarkers: {
+      DOMContentLoaded:
+        getDisplayedTimingMarker(state, "firstDocumentDOMContentLoadedTimestamp"),
+      load: getDisplayedTimingMarker(state, "firstDocumentLoadTimestamp"),
+    },
   }),
   (dispatch) => ({
     triggerSummary: () => {
diff --git a/devtools/client/netmonitor/constants.js b/devtools/client/netmonitor/constants.js
index 33bc71ea7..1605496a5 100644
--- a/devtools/client/netmonitor/constants.js
+++ b/devtools/client/netmonitor/constants.js
@@ -10,6 +10,8 @@ const general = {
 };
 
 const actionTypes = {
+  ADD_TIMING_MARKER: "ADD_TIMING_MARKER",
+  CLEAR_TIMING_MARKERS: "CLEAR_TIMING_MARKERS",
   TOGGLE_FILTER_TYPE: "TOGGLE_FILTER_TYPE",
   ENABLE_FILTER_TYPE_ONLY: "ENABLE_FILTER_TYPE_ONLY",
   SET_FILTER_TEXT: "SET_FILTER_TEXT",
diff --git a/devtools/client/netmonitor/netmonitor-controller.js b/devtools/client/netmonitor/netmonitor-controller.js
index 739e174fb..939b6e4f5 100644
--- a/devtools/client/netmonitor/netmonitor-controller.js
+++ b/devtools/client/netmonitor/netmonitor-controller.js
@@ -414,6 +414,7 @@ TargetEventsHandler.prototype = {
         }
         // Clear any accumulated markers.
         NetMonitorController.NetworkEventsHandler.clearMarkers();
+        gStore.dispatch(Actions.clearTimingMarkers());
 
         window.emit(EVENTS.TARGET_WILL_NAVIGATE);
         break;
@@ -534,6 +535,7 @@ NetworkEventsHandler.prototype = {
   _onDocLoadingMarker: function (marker) {
     window.emit(EVENTS.TIMELINE_EVENT, marker);
     this._markers.push(marker);
+    gStore.dispatch(Actions.addTimingMarker(marker));
   },
 
   /**
diff --git a/devtools/client/netmonitor/reducers/index.js b/devtools/client/netmonitor/reducers/index.js
index f36b1d91f..f003c7805 100644
--- a/devtools/client/netmonitor/reducers/index.js
+++ b/devtools/client/netmonitor/reducers/index.js
@@ -6,10 +6,12 @@
 const { combineReducers } = require("devtools/client/shared/vendor/redux");
 const filters = require("./filters");
 const requests = require("./requests");
+const timingMarkers = require("./timing-markers");
 const ui = require("./ui");
 
 module.exports = combineReducers({
   filters,
   requests,
+  timingMarkers,
   ui,
 });
diff --git a/devtools/client/netmonitor/reducers/moz.build b/devtools/client/netmonitor/reducers/moz.build
index d0ac61944..ce904cae8 100644
--- a/devtools/client/netmonitor/reducers/moz.build
+++ b/devtools/client/netmonitor/reducers/moz.build
@@ -7,5 +7,6 @@ DevToolsModules(
     'filters.js',
     'index.js',
     'requests.js',
+    'timing-markers.js',
     'ui.js',
 )
diff --git a/devtools/client/netmonitor/reducers/timing-markers.js b/devtools/client/netmonitor/reducers/timing-markers.js
new file mode 100644
index 000000000..cb500b2c4
--- /dev/null
+++ b/devtools/client/netmonitor/reducers/timing-markers.js
@@ -0,0 +1,52 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const I = require("devtools/client/shared/vendor/immutable");
+const { ADD_TIMING_MARKER,
+        CLEAR_TIMING_MARKERS } = require("../constants");
+
+const TimingMarkers = I.Record({
+  firstDocumentDOMContentLoadedTimestamp: -1,
+  firstDocumentLoadTimestamp: -1,
+});
+
+function addTimingMarker(state, action) {
+  if (action.marker.name == "document::DOMContentLoaded" &&
+      state.firstDocumentDOMContentLoadedTimestamp == -1) {
+    return state.set("firstDocumentDOMContentLoadedTimestamp",
+                     action.marker.unixTime / 1000);
+  }
+
+  if (action.marker.name == "document::Load" &&
+      state.firstDocumentLoadTimestamp == -1) {
+    return state.set("firstDocumentLoadTimestamp",
+                     action.marker.unixTime / 1000);
+  }
+
+  return state;
+}
+
+function clearTimingMarkers(state) {
+  return state.withMutations(st => {
+    st.remove("firstDocumentDOMContentLoadedTimestamp");
+    st.remove("firstDocumentLoadTimestamp");
+  });
+}
+
+function timingMarkers(state = new TimingMarkers(), action) {
+  switch (action.type) {
+    case ADD_TIMING_MARKER:
+      return addTimingMarker(state, action);
+
+    case CLEAR_TIMING_MARKERS:
+      return clearTimingMarkers(state);
+
+    default:
+      return state;
+  }
+}
+
+module.exports = timingMarkers;
diff --git a/devtools/client/netmonitor/requests-menu-view.js b/devtools/client/netmonitor/requests-menu-view.js
index 4ee307145..c491fcb0e 100644
--- a/devtools/client/netmonitor/requests-menu-view.js
+++ b/devtools/client/netmonitor/requests-menu-view.js
@@ -275,6 +275,7 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
     this._addQueue = [];
     this._updateQueue = [];
     this._firstRequestStartedMillis = -1;
+    this._firstRequestStartedMillisInRequests = false;
     this._lastRequestEndedMillis = -1;
   },
 
@@ -650,6 +651,9 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
       // Append a network request item to this container.
       let requestItem = this.push([menuView, id], {
         attachment: {
+          firstRequestStartedMillis: this._firstRequestStartedMillisInRequests
+                                     ? null
+                                     : this._firstRequestStartedMillis,
           startedDeltaMillis: unixTime - this._firstRequestStartedMillis,
           startedMillis: unixTime,
           method: method,
@@ -661,6 +665,8 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
         }
       });
 
+      this._firstRequestStartedMillisInRequests = true;
+
       if (id == this._preferredItemId) {
         this.selectedItem = requestItem;
       }
@@ -1563,6 +1569,7 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
   _ctx: null,
   _cachedWaterfallWidth: 0,
   _firstRequestStartedMillis: -1,
+  _firstRequestStartedMillisInRequests: false,
   _lastRequestEndedMillis: -1,
   _updateQueue: [],
   _addQueue: [],
diff --git a/devtools/client/netmonitor/selectors/index.js b/devtools/client/netmonitor/selectors/index.js
index 60d6007cd..612188758 100644
--- a/devtools/client/netmonitor/selectors/index.js
+++ b/devtools/client/netmonitor/selectors/index.js
@@ -73,6 +73,24 @@ const getDisplayedRequestsSummary = createSelector(
   })
 );
 
+function getDisplayedTimingMarker(state, marker) {
+  let timingMarker = null;
+  if (state.timingMarkers) {
+    timingMarker = state.timingMarkers.get(marker);
+  }    
+  let firstRequestStartedMillis = null;
+  if (state.requests.items.length) {
+    firstRequestStartedMillis = state.requests.items[0]
+                                .attachment.firstRequestStartedMillis;
+  }
+  if (timingMarker && firstRequestStartedMillis) {
+    return timingMarker - firstRequestStartedMillis;
+  } else {
+    return -1;
+  }
+}
+
 module.exports = {
   getDisplayedRequestsSummary,
+  getDisplayedTimingMarker,
 };
diff --git a/devtools/client/shared/moz.build b/devtools/client/shared/moz.build
index 1c61970c0..7be4a0088 100644
--- a/devtools/client/shared/moz.build
+++ b/devtools/client/shared/moz.build
@@ -35,6 +35,7 @@ DevToolsModules(
     'Jsbeautify.jsm',
     'key-shortcuts.js',
     'keycodes.js',
+    'natural-sort.js',
     'network-throttling-profiles.js',
     'node-attribute-parser.js',
     'options-view.js',
diff --git a/devtools/client/shared/natural-sort.js b/devtools/client/shared/natural-sort.js
new file mode 100644
index 000000000..904d76431
--- /dev/null
+++ b/devtools/client/shared/natural-sort.js
@@ -0,0 +1,106 @@
+/*
+ * Natural Sort algorithm for Javascript - Version 0.8.1 - Released under MIT license
+ * Author: Jim Palmer (based on chunking idea from Dave Koelle)
+ *
+ * Includes pull request to move regexes out of main function for performance
+ * increases.
+ *
+ * Repository:
+ *   https://github.com/overset/javascript-natural-sort/
+ */
+
+"use strict";
+
+var re = /(^([+\-]?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?(?=\D|\s|$))|^0x[\da-fA-F]+$|\d+)/g;
+var sre = /^\s+|\s+$/g;   // trim pre-post whitespace
+var snre = /\s+/g;        // normalize all whitespace to single ' ' character
+
+// eslint-disable-next-line
+var dre = /(^([\w ]+,?[\w ]+)?[\w ]+,?[\w ]+\d+:\d+(:\d+)?[\w ]?|^\d{1,4}[\/\-]\d{1,4}[\/\-]\d{1,4}|^\w+, \w+ \d+, \d{4})/;
+var hre = /^0x[0-9a-f]+$/i;
+var ore = /^0/;
+var b0re = /^\0/;
+var e0re = /\0$/;
+
+exports.naturalSortCaseSensitive =
+function naturalSortCaseSensitive(a, b) {
+  return naturalSort(a, b, false);
+};
+
+exports.naturalSortCaseInsensitive =
+function naturalSortCaseInsensitive(a, b) {
+  return naturalSort(a, b, true);
+};
+
+/**
+ * Sort numbers, strings, IP Addresses, Dates, Filenames, version numbers etc.
+ * "the way humans do."
+ *
+ * This function should only be called via naturalSortCaseSensitive and
+ * naturalSortCaseInsensitive.
+ *
+ * e.g. [3, 2, 1, 10].sort(naturalSort)
+ *
+ * @param  {Object} a
+ *         Passed in by Array.sort(a, b)
+ * @param  {Object} b
+ *         Passed in by Array.sort(a, b)
+ * @param  {Boolean} insensitive
+ *         Should the search be case insensitive?
+ */
+function naturalSort(a, b, insensitive) {
+  // convert all to strings strip whitespace
+  let i = function (s) {
+    return (insensitive && ("" + s).toLowerCase() || "" + s)
+                                   .replace(sre, "");
+  };
+  let x = i(a) || "";
+  let y = i(b) || "";
+  // chunk/tokenize
+  let xN = x.replace(re, "\0$1\0").replace(e0re, "").replace(b0re, "").split("\0");
+  let yN = y.replace(re, "\0$1\0").replace(e0re, "").replace(b0re, "").split("\0");
+  // numeric, hex or date detection
+  let xD = parseInt(x.match(hre), 16) || (xN.length !== 1 && Date.parse(x));
+  let yD = parseInt(y.match(hre), 16) || xD && y.match(dre) && Date.parse(y) || null;
+  let normChunk = function (s, l) {
+    // normalize spaces; find floats not starting with '0', string or 0 if
+    // not defined (Clint Priest)
+    return (!s.match(ore) || l == 1) &&
+           parseFloat(s) || s.replace(snre, " ").replace(sre, "") || 0;
+  };
+  let oFxNcL;
+  let oFyNcL;
+
+  // first try and sort Hex codes or Dates
+  if (yD) {
+    if (xD < yD) {
+      return -1;
+    } else if (xD > yD) {
+      return 1;
+    }
+  }
+
+  // natural sorting through split numeric strings and default strings
+  // eslint-disable-next-line
+  for (let cLoc = 0, xNl = xN.length, yNl = yN.length, numS = Math.max(xNl, yNl); cLoc < numS; cLoc++) {
+    oFxNcL = normChunk(xN[cLoc] || "", xNl);
+    oFyNcL = normChunk(yN[cLoc] || "", yNl);
+
+    // handle numeric vs string comparison - number < string - (Kyle Adams)
+    if (isNaN(oFxNcL) !== isNaN(oFyNcL)) {
+      return isNaN(oFxNcL) ? 1 : -1;
+    }
+    // if unicode use locale comparison
+    // eslint-disable-next-line
+    if (/[^\x00-\x80]/.test(oFxNcL + oFyNcL) && oFxNcL.localeCompare) {
+      let comp = oFxNcL.localeCompare(oFyNcL);
+      return comp / Math.abs(comp);
+    }
+    if (oFxNcL < oFyNcL) {
+      return -1;
+    } else if (oFxNcL > oFyNcL) {
+      return 1;
+    }
+  }
+  return null;
+}
diff --git a/devtools/client/shared/widgets/TableWidget.js b/devtools/client/shared/widgets/TableWidget.js
index 5dacd1b67..a0f0dfc11 100644
--- a/devtools/client/shared/widgets/TableWidget.js
+++ b/devtools/client/shared/widgets/TableWidget.js
@@ -8,6 +8,8 @@ loader.lazyRequireGetter(this, "setNamedTimeout",
   "devtools/client/shared/widgets/view-helpers", true);
 loader.lazyRequireGetter(this, "clearNamedTimeout",
   "devtools/client/shared/widgets/view-helpers", true);
+loader.lazyRequireGetter(this, "naturalSortCaseInsensitive",
+  "devtools/client/shared/natural-sort", true);
 const {KeyCodes} = require("devtools/client/shared/keycodes");
 
 const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
@@ -123,6 +125,8 @@ function TableWidget(node, options = {}) {
 TableWidget.prototype = {
 
   items: null,
+  editBookmark: null,
+  scrollIntoViewOnUpdate: null,
 
   /**
    * Getter for the headers context menu popup id.
@@ -139,7 +143,12 @@ TableWidget.prototype = {
    */
   set selectedRow(id) {
     for (let column of this.columns.values()) {
-      column.selectRow(id[this.uniqueId] || id);
+      if (id) {
+        column.selectRow(id[this.uniqueId] || id);
+      } else {
+        column.selectedRow = null;
+        column.selectRow(null);
+      }
     }
   },
 
@@ -615,8 +624,13 @@ TableWidget.prototype = {
   /**
    * Populates the header context menu with the names of the columns along with
    * displaying which columns are hidden or visible.
+   *
+   * @param {Array} privateColumns=[]
+   *        An array of column names that should never appear in the table. This
+   *        allows us to e.g. have an invisible compound primary key for a
+   *        table's rows.
    */
-  populateMenuPopup: function () {
+  populateMenuPopup: function (privateColumns = []) {
     if (!this.menupopup) {
       return;
     }
@@ -626,6 +640,10 @@ TableWidget.prototype = {
     }
 
     for (let column of this.columns.values()) {
+      if (privateColumns.includes(column.id)) {
+        continue;
+      }
+
       let menuitem = this.document.createElementNS(XUL_NS, "menuitem");
       menuitem.setAttribute("label", column.header.getAttribute("value"));
       menuitem.setAttribute("data-id", column.id);
@@ -663,16 +681,21 @@ TableWidget.prototype = {
    * Creates the columns in the table. Without calling this method, data cannot
    * be inserted into the table unless `initialColumns` was supplied.
    *
-   * @param {object} columns
+   * @param {Object} columns
    *        A key value pair representing the columns of the table. Where the
    *        key represents the id of the column and the value is the displayed
    *        label in the header of the column.
-   * @param {string} sortOn
+   * @param {String} sortOn
    *        The id of the column on which the table will be initially sorted on.
-   * @param {array} hiddenColumns
+   * @param {Array} hiddenColumns
    *        Ids of all the columns that are hidden by default.
+   * @param {Array} privateColumns=[]
+   *        An array of column names that should never appear in the table. This
+   *        allows us to e.g. have an invisible compound primary key for a
+   *        table's rows.
    */
-  setColumns: function (columns, sortOn = this.sortedOn, hiddenColumns = []) {
+  setColumns: function (columns, sortOn = this.sortedOn, hiddenColumns = [],
+                        privateColumns = []) {
     for (let column of this.columns.values()) {
       column.destroy();
     }
@@ -702,13 +725,18 @@ TableWidget.prototype = {
       }
 
       this.columns.set(id, new Column(this, id, columns[id]));
-      if (hiddenColumns.indexOf(id) > -1) {
+      if (hiddenColumns.includes(id) || privateColumns.includes(id)) {
+        // Hide the column.
         this.columns.get(id).toggleColumn();
+
+        if (privateColumns.includes(id)) {
+          this.columns.get(id).private = true;
+        }
       }
     }
     this.sortedOn = sortOn;
     this.sortBy(this.sortedOn);
-    this.populateMenuPopup();
+    this.populateMenuPopup(privateColumns);
   },
 
   /**
@@ -778,6 +806,11 @@ TableWidget.prototype = {
       return;
     }
 
+    if (this.editBookmark && !this.items.has(this.editBookmark)) {
+      // Key has been updated... update bookmark.
+      this.editBookmark = item[this.uniqueId];
+    }
+
     let index = this.columns.get(this.sortedOn).push(item);
     for (let [key, column] of this.columns) {
       if (key != this.sortedOn) {
@@ -814,7 +847,8 @@ TableWidget.prototype = {
       column.remove(item);
       column.updateZebra();
     }
-    if (this.items.size == 0) {
+    if (this.items.size === 0) {
+      this.selectedRow = null;
       this.tbody.setAttribute("empty", "empty");
     }
 
@@ -857,6 +891,8 @@ TableWidget.prototype = {
     this.tbody.setAttribute("empty", "empty");
     this.setPlaceholderText(this.emptyText);
 
+    this.selectedRow = null;
+
     this.emit(EVENTS.TABLE_CLEARED, this);
   },
 
@@ -958,6 +994,9 @@ module.exports.TableWidget = TableWidget;
  *        The displayed string on the column's header.
  */
 function Column(table, id, header) {
+  // By default cells are visible in the UI.
+  this._private = false;
+
   this.tbody = table.tbody;
   this.document = table.document;
   this.window = table.window;
@@ -1041,6 +1080,23 @@ Column.prototype = {
   },
 
   /**
+   * Get the private state of the column (visibility in the UI).
+   */
+  get private() {
+    return this._private;
+  },
+
+  /**
+   * Set the private state of the column (visibility in the UI).
+   *
+   * @param  {Boolean} state
+   *         Private (true or false)
+   */
+  set private(state) {
+    this._private = state;
+  },
+
+  /**
    * Sets the sorted value
    */
   set sorted(value) {
@@ -1115,7 +1171,9 @@ Column.prototype = {
   },
 
   /**
-   * Called when a row is updated.
+   * Called when a row is updated e.g. a cell is changed. This means that
+   * for a new row this method will be called once for each column. If a single
+   * cell is changed this method will be called just once.
    *
    * @param {string} event
    *        The event name of the event. i.e. EVENTS.ROW_UPDATED
@@ -1124,7 +1182,23 @@ Column.prototype = {
    */
   onRowUpdated: function (event, id) {
     this._updateItems();
+
     if (this.highlightUpdated && this.items[id] != null) {
+      if (this.table.scrollIntoViewOnUpdate) {
+        let cell = this.cells[this.items[id]];
+
+        // When a new row is created this method is called once for each column
+        // as each cell is updated. We can only scroll to cells if they are
+        // visible. We check for visibility and once we find the first visible
+        // cell in a row we scroll it into view and reset the
+        // scrollIntoViewOnUpdate flag.
+        if (cell.label.clientHeight > 0) {
+          cell.scrollIntoView();
+
+          this.table.scrollIntoViewOnUpdate = null;
+        }
+      }
+
       if (this.table.editBookmark) {
         // A rows position in the table can change as the result of an edit. In
         // order to ensure that the correct row is highlighted after an edit we
@@ -1136,6 +1210,7 @@ Column.prototype = {
 
       this.cells[this.items[id]].flash();
     }
+
     this.updateZebra();
   },
 
@@ -1160,15 +1235,16 @@ Column.prototype = {
    */
   selectRowAt: function (index) {
     if (this.selectedRow != null) {
-      this.cells[this.items[this.selectedRow]].toggleClass("theme-selected");
+      this.cells[this.items[this.selectedRow]].classList.remove("theme-selected");
     }
-    if (index < 0) {
+
+    let cell = this.cells[index];
+    if (cell) {
+      cell.classList.add("theme-selected");
+      this.selectedRow = cell.id;
+    } else {
       this.selectedRow = null;
-      return;
     }
-    let cell = this.cells[index];
-    cell.toggleClass("theme-selected");
-    this.selectedRow = cell.id;
   },
 
   /**
@@ -1218,11 +1294,11 @@ Column.prototype = {
       let index;
       if (this.sorted == 1) {
         index = this.cells.findIndex(element => {
-          return value < element.value;
+          return naturalSortCaseInsensitive(value, element.value) === -1;
         });
       } else {
         index = this.cells.findIndex(element => {
-          return value > element.value;
+          return naturalSortCaseInsensitive(value, element.value) === 1;
         });
       }
       index = index >= 0 ? index : this.cells.length;
@@ -1332,7 +1408,6 @@ Column.prototype = {
     this.cells = [];
     this.items = {};
     this._itemsDirty = false;
-    this.selectedRow = null;
     while (this.header.nextSibling) {
       this.header.nextSibling.remove();
     }
@@ -1350,7 +1425,7 @@ Column.prototype = {
             a[this.id].textContent : a[this.id];
         let val2 = (b[this.id] instanceof Node) ?
             b[this.id].textContent : b[this.id];
-        return val1 > val2;
+        return naturalSortCaseInsensitive(val1, val2);
       });
     } else if (this.sorted > 1) {
       items.sort((a, b) => {
@@ -1358,12 +1433,12 @@ Column.prototype = {
             a[this.id].textContent : a[this.id];
         let val2 = (b[this.id] instanceof Node) ?
             b[this.id].textContent : b[this.id];
-        return val2 > val1;
+        return naturalSortCaseInsensitive(val2, val1);
       });
     }
 
     if (this.selectedRow) {
-      this.cells[this.items[this.selectedRow]].toggleClass("theme-selected");
+      this.cells[this.items[this.selectedRow]].classList.remove("theme-selected");
     }
     this.items = {};
     // Otherwise, just use the sorted array passed to update the cells value.
@@ -1373,7 +1448,7 @@ Column.prototype = {
       this.cells[i].id = item[this.uniqueId];
     });
     if (this.selectedRow) {
-      this.cells[this.items[this.selectedRow]].toggleClass("theme-selected");
+      this.cells[this.items[this.selectedRow]].classList.add("theme-selected");
     }
     this._itemsDirty = false;
     this.updateZebra();
@@ -1387,7 +1462,9 @@ Column.prototype = {
       if (!cell.hidden) {
         i++;
       }
-      cell.toggleClass("even", !(i % 2));
+
+      let even = !(i % 2);
+      cell.classList.toggle("even", even);
     }
   },
 
@@ -1523,8 +1600,8 @@ Cell.prototype = {
     return this._value;
   },
 
-  toggleClass: function (className, condition) {
-    this.label.classList.toggle(className, condition);
+  get classList() {
+    return this.label.classList;
   },
 
   /**
@@ -1550,6 +1627,10 @@ Cell.prototype = {
     this.label.focus();
   },
 
+  scrollIntoView: function () {
+    this.label.scrollIntoView(false);
+  },
+
   destroy: function () {
     this.label.remove();
     this.label = null;
diff --git a/devtools/client/storage/storage.xul b/devtools/client/storage/storage.xul
index 9fbef5199..a91900add 100644
--- a/devtools/client/storage/storage.xul
+++ b/devtools/client/storage/storage.xul
@@ -26,13 +26,18 @@
     <menupopup id="storage-tree-popup">
       <menuitem id="storage-tree-popup-delete-all"
                 label="&storage.popupMenu.deleteAllLabel;"/>
+      <menuitem id="storage-tree-popup-delete-all-session-cookies"
+                label="&storage.popupMenu.deleteAllSessionCookiesLabel;"/>
       <menuitem id="storage-tree-popup-delete"/>
     </menupopup>
     <menupopup id="storage-table-popup">
+      <menuitem id="storage-table-popup-add"/>
       <menuitem id="storage-table-popup-delete"/>
       <menuitem id="storage-table-popup-delete-all-from"/>
       <menuitem id="storage-table-popup-delete-all"
                 label="&storage.popupMenu.deleteAllLabel;"/>
+      <menuitem id="storage-table-popup-delete-all-session-cookies"
+                label="&storage.popupMenu.deleteAllSessionCookiesLabel;"/>
     </menupopup>
   </popupset>
 
@@ -41,6 +46,9 @@
     <splitter class="devtools-side-splitter"/>
     <vbox flex="1">
       <hbox id="storage-toolbar" class="devtools-toolbar">
+        <button id="add-button"
+                class="devtools-button add-button"></button>
+        <spacer flex="1"/>
         <textbox id="storage-searchbox"
                  class="devtools-filterinput"
                  type="search"
diff --git a/devtools/client/storage/test/browser.ini b/devtools/client/storage/test/browser.ini
index dd7f48bd7..1250d35d5 100644
--- a/devtools/client/storage/test/browser.ini
+++ b/devtools/client/storage/test/browser.ini
@@ -7,6 +7,7 @@ support-files =
   storage-cookies.html
   storage-empty-objectstores.html
   storage-idb-delete-blocked.html
+  storage-indexeddb-duplicate-names.html
   storage-listings.html
   storage-localstorage.html
   storage-overflow.html
@@ -21,6 +22,7 @@ support-files =
 [browser_storage_basic.js]
 [browser_storage_cache_delete.js]
 [browser_storage_cache_error.js]
+[browser_storage_cookies_add.js]
 [browser_storage_cookies_delete_all.js]
 [browser_storage_cookies_domain.js]
 [browser_storage_cookies_edit.js]
@@ -29,15 +31,21 @@ support-files =
 [browser_storage_delete.js]
 [browser_storage_delete_all.js]
 [browser_storage_delete_tree.js]
-[browser_storage_dynamic_updates.js]
+[browser_storage_dom_cache_disabled.js]
+[browser_storage_dynamic_updates_cookies.js]
+[browser_storage_dynamic_updates_localStorage.js]
+[browser_storage_dynamic_updates_sessionStorage.js]
 [browser_storage_empty_objectstores.js]
 [browser_storage_indexeddb_delete.js]
 [browser_storage_indexeddb_delete_blocked.js]
+[browser_storage_indexeddb_duplicate_names.js]
+[browser_storage_localstorage_add.js]
 [browser_storage_localstorage_edit.js]
 [browser_storage_localstorage_error.js]
 [browser_storage_overflow.js]
 [browser_storage_search.js]
 [browser_storage_search_keyboard_trap.js]
+[browser_storage_sessionstorage_add.js]
 [browser_storage_sessionstorage_edit.js]
 [browser_storage_sidebar.js]
 [browser_storage_sidebar_update.js]
diff --git a/devtools/client/storage/test/browser_storage_basic.js b/devtools/client/storage/test/browser_storage_basic.js
index 343d46170..7585eed1f 100644
--- a/devtools/client/storage/test/browser_storage_basic.js
+++ b/devtools/client/storage/test/browser_storage_basic.js
@@ -2,6 +2,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+/* import-globals-from head.js */
+
 // Basic test to assert that the storage tree and table corresponding to each
 // item in the storage tree is correctly displayed
 
@@ -21,10 +23,30 @@
 "use strict";
 
 const testCases = [
-  [["cookies", "test1.example.org"],
-   ["c1", "cs2", "c3", "uc1"]],
-  [["cookies", "sectest1.example.org"],
-   ["uc1", "cs2", "sc1"]],
+  [
+    ["cookies", "test1.example.org"],
+    [
+      getCookieId("c1", "test1.example.org", "/browser"),
+      getCookieId("cs2", ".example.org", "/"),
+      getCookieId("c3", "test1.example.org", "/"),
+      getCookieId("c4", ".example.org", "/"),
+      getCookieId("uc1", ".example.org", "/"),
+      getCookieId("uc2", ".example.org", "/")
+    ]
+  ],
+  [
+    ["cookies", "sectest1.example.org"],
+    [
+      getCookieId("uc1", ".example.org", "/"),
+      getCookieId("uc2", ".example.org", "/"),
+      getCookieId("cs2", ".example.org", "/"),
+      getCookieId("c4", ".example.org", "/"),
+      getCookieId("sc1", "sectest1.example.org",
+        "/browser/devtools/client/storage/test/"),
+      getCookieId("sc2", "sectest1.example.org",
+        "/browser/devtools/client/storage/test/")
+    ]
+  ],
   [["localStorage", "http://test1.example.org"],
    ["ls1", "ls2"]],
   [["localStorage", "http://sectest1.example.org"],
@@ -38,28 +60,28 @@ const testCases = [
   [["sessionStorage", "https://sectest1.example.org"],
    ["iframe-s-ss1"]],
   [["indexedDB", "http://test1.example.org"],
-   ["idb1", "idb2"]],
-  [["indexedDB", "http://test1.example.org", "idb1"],
+   ["idb1 (default)", "idb2 (default)"]],
+  [["indexedDB", "http://test1.example.org", "idb1 (default)"],
    ["obj1", "obj2"]],
-  [["indexedDB", "http://test1.example.org", "idb2"],
+  [["indexedDB", "http://test1.example.org", "idb2 (default)"],
    ["obj3"]],
-  [["indexedDB", "http://test1.example.org", "idb1", "obj1"],
+  [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj1"],
    [1, 2, 3]],
-  [["indexedDB", "http://test1.example.org", "idb1", "obj2"],
+  [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj2"],
    [1]],
-  [["indexedDB", "http://test1.example.org", "idb2", "obj3"],
+  [["indexedDB", "http://test1.example.org", "idb2 (default)", "obj3"],
    []],
   [["indexedDB", "http://sectest1.example.org"],
    []],
   [["indexedDB", "https://sectest1.example.org"],
-   ["idb-s1", "idb-s2"]],
-  [["indexedDB", "https://sectest1.example.org", "idb-s1"],
+   ["idb-s1 (default)", "idb-s2 (default)"]],
+  [["indexedDB", "https://sectest1.example.org", "idb-s1 (default)"],
    ["obj-s1"]],
-  [["indexedDB", "https://sectest1.example.org", "idb-s2"],
+  [["indexedDB", "https://sectest1.example.org", "idb-s2 (default)"],
    ["obj-s2"]],
-  [["indexedDB", "https://sectest1.example.org", "idb-s1", "obj-s1"],
+  [["indexedDB", "https://sectest1.example.org", "idb-s1 (default)", "obj-s1"],
    [6, 7]],
-  [["indexedDB", "https://sectest1.example.org", "idb-s2", "obj-s2"],
+  [["indexedDB", "https://sectest1.example.org", "idb-s2 (default)", "obj-s2"],
    [16]],
   [["Cache", "http://test1.example.org", "plop"],
    [MAIN_DOMAIN + "404_cached_file.js",
diff --git a/devtools/client/storage/test/browser_storage_cookies_add.js b/devtools/client/storage/test/browser_storage_cookies_add.js
new file mode 100644
index 000000000..ac66eb92c
--- /dev/null
+++ b/devtools/client/storage/test/browser_storage_cookies_add.js
@@ -0,0 +1,20 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Basic test to check the adding of cookies.
+
+"use strict";
+
+add_task(function* () {
+  yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-cookies.html");
+  showAllColumns(true);
+
+  yield performAdd(["cookies", "http://test1.example.org"]);
+  yield performAdd(["cookies", "http://test1.example.org"]);
+  yield performAdd(["cookies", "http://test1.example.org"]);
+  yield performAdd(["cookies", "http://test1.example.org"]);
+  yield performAdd(["cookies", "http://test1.example.org"]);
+
+  yield finishTests();
+});
diff --git a/devtools/client/storage/test/browser_storage_cookies_delete_all.js b/devtools/client/storage/test/browser_storage_cookies_delete_all.js
index 6e6008e66..4640ebecb 100644
--- a/devtools/client/storage/test/browser_storage_cookies_delete_all.js
+++ b/devtools/client/storage/test/browser_storage_cookies_delete_all.js
@@ -8,11 +8,13 @@
 
 // Test deleting all cookies
 
-function* performDelete(store, rowName, deleteAll) {
+function* performDelete(store, rowName, action) {
   let contextMenu = gPanelWindow.document.getElementById(
     "storage-table-popup");
   let menuDeleteAllItem = contextMenu.querySelector(
     "#storage-table-popup-delete-all");
+  let menuDeleteAllSessionCookiesItem = contextMenu.querySelector(
+    "#storage-table-popup-delete-all-session-cookies");
   let menuDeleteAllFromItem = contextMenu.querySelector(
     "#storage-table-popup-delete-all-from");
 
@@ -21,17 +23,23 @@ function* performDelete(store, rowName, deleteAll) {
   yield selectTreeItem(store);
 
   let eventWait = gUI.once("store-objects-updated");
+  let cells = getRowCells(rowName, true);
 
-  let cells = getRowCells(rowName);
   yield waitForContextMenu(contextMenu, cells.name, () => {
     info(`Opened context menu in ${storeName}, row '${rowName}'`);
-    if (deleteAll) {
-      menuDeleteAllItem.click();
-    } else {
-      menuDeleteAllFromItem.click();
-      let hostName = cells.host.value;
-      ok(menuDeleteAllFromItem.getAttribute("label").includes(hostName),
+    switch (action) {
+      case "deleteAll":
+        menuDeleteAllItem.click();
+        break;
+      case "deleteAllSessionCookies":
+        menuDeleteAllSessionCookiesItem.click();
+        break;
+      case "deleteAllFrom":
+        menuDeleteAllFromItem.click();
+        let hostName = cells.host.value;
+        ok(menuDeleteAllFromItem.getAttribute("label").includes(hostName),
         `Context menu item label contains '${hostName}'`);
+        break;
     }
   });
 
@@ -43,24 +51,94 @@ add_task(function* () {
 
   info("test state before delete");
   yield checkState([
-    [["cookies", "test1.example.org"], ["c1", "c3", "cs2", "uc1"]],
-    [["cookies", "sectest1.example.org"], ["cs2", "sc1", "uc1"]],
+    [
+      ["cookies", "test1.example.org"], [
+        getCookieId("c1", "test1.example.org", "/browser"),
+        getCookieId("c3", "test1.example.org", "/"),
+        getCookieId("cs2", ".example.org", "/"),
+        getCookieId("c4", ".example.org", "/"),
+        getCookieId("uc1", ".example.org", "/"),
+        getCookieId("uc2", ".example.org", "/")
+      ]
+    ],
+    [
+      ["cookies", "sectest1.example.org"], [
+        getCookieId("cs2", ".example.org", "/"),
+        getCookieId("c4", ".example.org", "/"),
+        getCookieId("sc1", "sectest1.example.org",
+                    "/browser/devtools/client/storage/test/"),
+        getCookieId("sc2", "sectest1.example.org",
+                    "/browser/devtools/client/storage/test/"),
+        getCookieId("uc1", ".example.org", "/"),
+        getCookieId("uc2", ".example.org", "/")
+      ]
+    ],
   ]);
 
   info("delete all from domain");
   // delete only cookies that match the host exactly
-  yield performDelete(["cookies", "test1.example.org"], "c1", false);
+  let id = getCookieId("c1", "test1.example.org", "/browser");
+  yield performDelete(["cookies", "test1.example.org"], id, "deleteAllFrom");
+  yield performDelete(["cookies", "test1.example.org"], id, false);
 
   info("test state after delete all from domain");
   yield checkState([
     // Domain cookies (.example.org) must not be deleted.
-    [["cookies", "test1.example.org"], ["cs2", "uc1"]],
-    [["cookies", "sectest1.example.org"], ["cs2", "sc1", "uc1"]],
+    [
+      ["cookies", "test1.example.org"],
+      [
+        getCookieId("cs2", ".example.org", "/"),
+        getCookieId("c4", ".example.org", "/"),
+        getCookieId("uc1", ".example.org", "/"),
+        getCookieId("uc2", ".example.org", "/")
+      ]
+    ],
+    [
+      ["cookies", "sectest1.example.org"],
+      [
+        getCookieId("cs2", ".example.org", "/"),
+        getCookieId("c4", ".example.org", "/"),
+        getCookieId("uc1", ".example.org", "/"),
+        getCookieId("uc2", ".example.org", "/"),
+        getCookieId("sc1", "sectest1.example.org",
+                    "/browser/devtools/client/storage/test/"),
+        getCookieId("sc2", "sectest1.example.org",
+                    "/browser/devtools/client/storage/test/")
+      ]
+    ],
+  ]);
+
+  info("delete all session cookies");
+  // delete only session cookies
+  id = getCookieId("cs2", ".example.org", "/");
+  yield performDelete(["cookies", "sectest1.example.org"], id,
+    "deleteAllSessionCookies");
+
+  info("test state after delete all session cookies");
+  yield checkState([
+    // Cookies with expiry date must not be deleted.
+    [
+      ["cookies", "test1.example.org"],
+      [
+        getCookieId("c4", ".example.org", "/"),
+        getCookieId("uc2", ".example.org", "/")
+      ]
+    ],
+    [
+      ["cookies", "sectest1.example.org"],
+      [
+        getCookieId("c4", ".example.org", "/"),
+        getCookieId("uc2", ".example.org", "/"),
+        getCookieId("sc2", "sectest1.example.org",
+        "/browser/devtools/client/storage/test/")
+      ]
+    ],
   ]);
 
   info("delete all");
   // delete all cookies for host, including domain cookies
-  yield performDelete(["cookies", "sectest1.example.org"], "uc1", true);
+  id = getCookieId("uc2", ".example.org", "/");
+  yield performDelete(["cookies", "sectest1.example.org"], id, "deleteAll");
 
   info("test state after delete all");
   yield checkState([
diff --git a/devtools/client/storage/test/browser_storage_cookies_domain.js b/devtools/client/storage/test/browser_storage_cookies_domain.js
index dc93d6e67..7b194b73e 100644
--- a/devtools/client/storage/test/browser_storage_cookies_domain.js
+++ b/devtools/client/storage/test/browser_storage_cookies_domain.js
@@ -13,8 +13,16 @@ add_task(function* () {
   yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-cookies.html");
 
   yield checkState([
-    [["cookies", "test1.example.org"],
-      ["test1", "test2", "test3", "test4", "test5"]],
+    [
+      ["cookies", "test1.example.org"],
+      [
+        getCookieId("test1", ".test1.example.org", "/browser"),
+        getCookieId("test2", "test1.example.org", "/browser"),
+        getCookieId("test3", ".test1.example.org", "/browser"),
+        getCookieId("test4", "test1.example.org", "/browser"),
+        getCookieId("test5", ".test1.example.org", "/browser")
+      ]
+    ],
   ]);
 
   yield finishTests();
diff --git a/devtools/client/storage/test/browser_storage_cookies_edit.js b/devtools/client/storage/test/browser_storage_cookies_edit.js
index 5818e4864..14944b398 100644
--- a/devtools/client/storage/test/browser_storage_cookies_edit.js
+++ b/devtools/client/storage/test/browser_storage_cookies_edit.js
@@ -10,13 +10,20 @@ add_task(function* () {
   yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-cookies.html");
   showAllColumns(true);
 
-  yield editCell("test3", "name", "newTest3");
-  yield editCell("newTest3", "path", "/");
-  yield editCell("newTest3", "host", "test1.example.org");
-  yield editCell("newTest3", "expires", "Tue, 14 Feb 2040 17:41:14 GMT");
-  yield editCell("newTest3", "value", "newValue3");
-  yield editCell("newTest3", "isSecure", "true");
-  yield editCell("newTest3", "isHttpOnly", "true");
+  let id = getCookieId("test3", ".test1.example.org", "/browser");
+  yield editCell(id, "name", "newTest3");
+
+  id = getCookieId("newTest3", ".test1.example.org", "/browser");
+  yield editCell(id, "host", "test1.example.org");
+
+  id = getCookieId("newTest3", "test1.example.org", "/browser");
+  yield editCell(id, "path", "/");
+
+  id = getCookieId("newTest3", "test1.example.org", "/");
+  yield editCell(id, "expires", "Tue, 14 Feb 2040 17:41:14 GMT");
+  yield editCell(id, "value", "newValue3");
+  yield editCell(id, "isSecure", "true");
+  yield editCell(id, "isHttpOnly", "true");
 
   yield finishTests();
 });
diff --git a/devtools/client/storage/test/browser_storage_cookies_edit_keyboard.js b/devtools/client/storage/test/browser_storage_cookies_edit_keyboard.js
index 1208c4376..4bbb63fbe 100644
--- a/devtools/client/storage/test/browser_storage_cookies_edit_keyboard.js
+++ b/devtools/client/storage/test/browser_storage_cookies_edit_keyboard.js
@@ -10,10 +10,11 @@ add_task(function* () {
   yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-cookies.html");
   showAllColumns(true);
 
-  yield startCellEdit("test4", "name");
+  let id = getCookieId("test4", "test1.example.org", "/browser");
+  yield startCellEdit(id, "name");
   yield typeWithTerminator("test6", "VK_TAB");
-  yield typeWithTerminator("/", "VK_TAB");
   yield typeWithTerminator(".example.org", "VK_TAB");
+  yield typeWithTerminator("/", "VK_TAB");
   yield typeWithTerminator("Tue, 25 Dec 2040 12:00:00 GMT", "VK_TAB");
   yield typeWithTerminator("test6value", "VK_TAB");
   yield typeWithTerminator("false", "VK_TAB");
diff --git a/devtools/client/storage/test/browser_storage_cookies_tab_navigation.js b/devtools/client/storage/test/browser_storage_cookies_tab_navigation.js
index 783a0c844..5da359b8d 100644
--- a/devtools/client/storage/test/browser_storage_cookies_tab_navigation.js
+++ b/devtools/client/storage/test/browser_storage_cookies_tab_navigation.js
@@ -10,7 +10,8 @@ add_task(function* () {
   yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-cookies.html");
   showAllColumns(true);
 
-  yield startCellEdit("test1", "name");
+  let id = getCookieId("test1", ".test1.example.org", "/browser");
+  yield startCellEdit(id, "name");
 
   PressKeyXTimes("VK_TAB", 18);
   is(getCurrentEditorValue(), "value3",
diff --git a/devtools/client/storage/test/browser_storage_delete.js b/devtools/client/storage/test/browser_storage_delete.js
index c0e2b0ad7..a3ef7c290 100644
--- a/devtools/client/storage/test/browser_storage_delete.js
+++ b/devtools/client/storage/test/browser_storage_delete.js
@@ -13,9 +13,11 @@ const TEST_CASES = [
     "ls1", "name"],
   [["sessionStorage", "http://test1.example.org"],
     "ss1", "name"],
-  [["cookies", "test1.example.org"],
-    "c1", "name"],
-  [["indexedDB", "http://test1.example.org", "idb1", "obj1"],
+  [
+    ["cookies", "test1.example.org"],
+    getCookieId("c1", "test1.example.org", "/browser"), "name"
+  ],
+  [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj1"],
     1, "name"],
   [["Cache", "http://test1.example.org", "plop"],
     MAIN_DOMAIN + "404_cached_file.js", "url"],
@@ -41,7 +43,7 @@ add_task(function* () {
     yield waitForContextMenu(contextMenu, row[cellToClick], () => {
       info(`Opened context menu in ${treeItemName}, row '${rowName}'`);
       menuDeleteItem.click();
-      let truncatedRowName = String(rowName).substr(0, 16);
+      let truncatedRowName = String(rowName).replace(SEPARATOR_GUID, "-").substr(0, 16);
       ok(menuDeleteItem.getAttribute("label").includes(truncatedRowName),
         `Context menu item label contains '${rowName}' (maybe truncated)`);
     });
diff --git a/devtools/client/storage/test/browser_storage_delete_all.js b/devtools/client/storage/test/browser_storage_delete_all.js
index c4b6048fb..60b417bdb 100644
--- a/devtools/client/storage/test/browser_storage_delete_all.js
+++ b/devtools/client/storage/test/browser_storage_delete_all.js
@@ -29,7 +29,7 @@ add_task(function* () {
       ["iframe-u-ss1", "iframe-u-ss2"]],
     [["sessionStorage", "https://sectest1.example.org"],
       ["iframe-s-ss1"]],
-    [["indexedDB", "http://test1.example.org", "idb1", "obj1"],
+    [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj1"],
       [1, 2, 3]],
     [["Cache", "http://test1.example.org", "plop"],
       [MAIN_DOMAIN + "404_cached_file.js", MAIN_DOMAIN + "browser_storage_basic.js"]],
@@ -41,7 +41,7 @@ add_task(function* () {
   const deleteHosts = [
     [["localStorage", "https://sectest1.example.org"], "iframe-s-ls1", "name"],
     [["sessionStorage", "https://sectest1.example.org"], "iframe-s-ss1", "name"],
-    [["indexedDB", "http://test1.example.org", "idb1", "obj1"], 1, "name"],
+    [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj1"], 1, "name"],
     [["Cache", "http://test1.example.org", "plop"],
       MAIN_DOMAIN + "404_cached_file.js", "url"],
   ];
@@ -78,7 +78,7 @@ add_task(function* () {
       ["iframe-u-ss1", "iframe-u-ss2"]],
     [["sessionStorage", "https://sectest1.example.org"],
       []],
-    [["indexedDB", "http://test1.example.org", "idb1", "obj1"],
+    [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj1"],
       []],
     [["Cache", "http://test1.example.org", "plop"],
       []],
diff --git a/devtools/client/storage/test/browser_storage_delete_tree.js b/devtools/client/storage/test/browser_storage_delete_tree.js
index 867a1c8b6..2bca4c344 100644
--- a/devtools/client/storage/test/browser_storage_delete_tree.js
+++ b/devtools/client/storage/test/browser_storage_delete_tree.js
@@ -17,10 +17,20 @@ add_task(function* () {
 
   info("test state before delete");
   yield checkState([
-    [["cookies", "test1.example.org"], ["c1", "c3", "cs2", "uc1"]],
+    [
+      ["cookies", "test1.example.org"],
+      [
+        getCookieId("c1", "test1.example.org", "/browser"),
+        getCookieId("cs2", ".example.org", "/"),
+        getCookieId("c3", "test1.example.org", "/"),
+        getCookieId("c4", ".example.org", "/"),
+        getCookieId("uc1", ".example.org", "/"),
+        getCookieId("uc2", ".example.org", "/")
+      ]
+    ],
     [["localStorage", "http://test1.example.org"], ["ls1", "ls2"]],
     [["sessionStorage", "http://test1.example.org"], ["ss1"]],
-    [["indexedDB", "http://test1.example.org", "idb1", "obj1"], [1, 2, 3]],
+    [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj1"], [1, 2, 3]],
     [["Cache", "http://test1.example.org", "plop"],
       [MAIN_DOMAIN + "404_cached_file.js", MAIN_DOMAIN + "browser_storage_basic.js"]],
   ]);
@@ -30,7 +40,7 @@ add_task(function* () {
     ["cookies", "test1.example.org"],
     ["localStorage", "http://test1.example.org"],
     ["sessionStorage", "http://test1.example.org"],
-    ["indexedDB", "http://test1.example.org", "idb1", "obj1"],
+    ["indexedDB", "http://test1.example.org", "idb1 (default)", "obj1"],
     ["Cache", "http://test1.example.org", "plop"],
   ];
 
@@ -59,7 +69,7 @@ add_task(function* () {
     [["cookies", "test1.example.org"], []],
     [["localStorage", "http://test1.example.org"], []],
     [["sessionStorage", "http://test1.example.org"], []],
-    [["indexedDB", "http://test1.example.org", "idb1", "obj1"], []],
+    [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj1"], []],
     [["Cache", "http://test1.example.org", "plop"], []],
   ]);
 
diff --git a/devtools/client/storage/test/browser_storage_dom_cache_disabled.js b/devtools/client/storage/test/browser_storage_dom_cache_disabled.js
new file mode 100644
index 000000000..db0aca392
--- /dev/null
+++ b/devtools/client/storage/test/browser_storage_dom_cache_disabled.js
@@ -0,0 +1,37 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* import-globals-from ../../framework/test/shared-head.js */
+
+"use strict";
+
+// Test the storage inspector when dom.caches.enabled=false.
+
+add_task(function* () {
+  // Disable the DOM cache
+  Services.prefs.setBoolPref(DOM_CACHE, false);
+
+  yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-listings.html");
+
+  const state = [
+    [["localStorage", "http://test1.example.org"],
+      ["ls1", "ls2"]],
+    [["localStorage", "http://sectest1.example.org"],
+      ["iframe-u-ls1"]],
+    [["localStorage", "https://sectest1.example.org"],
+      ["iframe-s-ls1"]],
+    [["sessionStorage", "http://test1.example.org"],
+      ["ss1"]],
+    [["sessionStorage", "http://sectest1.example.org"],
+      ["iframe-u-ss1", "iframe-u-ss2"]],
+    [["sessionStorage", "https://sectest1.example.org"],
+      ["iframe-s-ss1"]],
+    [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj1"],
+      [1, 2, 3]],
+  ];
+
+  yield checkState(state);
+
+  yield finishTests();
+});
diff --git a/devtools/client/storage/test/browser_storage_dynamic_updates_cookies.js b/devtools/client/storage/test/browser_storage_dynamic_updates_cookies.js
new file mode 100644
index 000000000..6cf52f2d3
--- /dev/null
+++ b/devtools/client/storage/test/browser_storage_dynamic_updates_cookies.js
@@ -0,0 +1,188 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// Test dynamic updates in the storage inspector for cookies.
+
+add_task(function* () {
+  yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-updates.html");
+
+  gUI.tree.expandAll();
+
+  ok(gUI.sidebar.hidden, "Sidebar is initially hidden");
+  let c1id = getCookieId("c1", "test1.example.org", "/browser");
+  yield selectTableItem(c1id);
+
+  // test that value is something initially
+  let initialValue = [[
+    {name: "c1", value: "1.2.3.4.5.6.7"},
+    {name: "c1.Path", value: "/browser"}
+  ], [
+    {name: "c1", value: "Array"},
+    {name: "c1.0", value: "1"},
+    {name: "c1.6", value: "7"}
+  ]];
+
+  // test that value is something initially
+  let finalValue = [[
+    {name: "c1", value: '{"foo": 4,"bar":6}'},
+    {name: "c1.Path", value: "/browser"}
+  ], [
+    {name: "c1", value: "Object"},
+    {name: "c1.foo", value: "4"},
+    {name: "c1.bar", value: "6"}
+  ]];
+
+  // Check that sidebar shows correct initial value
+  yield findVariableViewProperties(initialValue[0], false);
+
+  yield findVariableViewProperties(initialValue[1], true);
+  // Check if table shows correct initial value
+
+  yield checkState([
+    [
+      ["cookies", "test1.example.org"],
+      [
+        getCookieId("c1", "test1.example.org", "/browser"),
+        getCookieId("c2", "test1.example.org", "/browser")
+      ]
+    ],
+  ]);
+  checkCell(c1id, "value", "1.2.3.4.5.6.7");
+
+  gWindow.addCookie("c1", '{"foo": 4,"bar":6}', "/browser");
+  yield gUI.once("sidebar-updated");
+
+  yield findVariableViewProperties(finalValue[0], false);
+  yield findVariableViewProperties(finalValue[1], true);
+
+  yield checkState([
+    [
+      ["cookies", "test1.example.org"],
+      [
+        getCookieId("c1", "test1.example.org", "/browser"),
+        getCookieId("c2", "test1.example.org", "/browser")
+      ]
+    ],
+  ]);
+  checkCell(c1id, "value", '{"foo": 4,"bar":6}');
+
+  // Add a new entry
+  gWindow.addCookie("c3", "booyeah");
+
+  // Wait once for update and another time for value fetching
+  yield gUI.once("store-objects-updated");
+  yield gUI.once("store-objects-updated");
+
+  yield checkState([
+    [
+      ["cookies", "test1.example.org"],
+      [
+        getCookieId("c1", "test1.example.org", "/browser"),
+        getCookieId("c2", "test1.example.org", "/browser"),
+        getCookieId("c3", "test1.example.org",
+                    "/browser/devtools/client/storage/test/")
+      ]
+    ],
+  ]);
+  let c3id = getCookieId("c3", "test1.example.org",
+                         "/browser/devtools/client/storage/test/");
+  checkCell(c3id, "value", "booyeah");
+
+  // Add another
+  gWindow.addCookie("c4", "booyeah");
+
+  // Wait once for update and another time for value fetching
+  yield gUI.once("store-objects-updated");
+  yield gUI.once("store-objects-updated");
+
+  yield checkState([
+    [
+      ["cookies", "test1.example.org"],
+      [
+        getCookieId("c1", "test1.example.org", "/browser"),
+        getCookieId("c2", "test1.example.org", "/browser"),
+        getCookieId("c3", "test1.example.org",
+                    "/browser/devtools/client/storage/test/"),
+        getCookieId("c4", "test1.example.org",
+                    "/browser/devtools/client/storage/test/")
+      ]
+    ],
+  ]);
+  let c4id = getCookieId("c4", "test1.example.org",
+                         "/browser/devtools/client/storage/test/");
+  checkCell(c4id, "value", "booyeah");
+
+  // Removing cookies
+  gWindow.removeCookie("c1", "/browser");
+
+  yield gUI.once("sidebar-updated");
+
+  yield checkState([
+    [
+      ["cookies", "test1.example.org"],
+      [
+        getCookieId("c2", "test1.example.org", "/browser"),
+        getCookieId("c3", "test1.example.org",
+                    "/browser/devtools/client/storage/test/"),
+        getCookieId("c4", "test1.example.org",
+                    "/browser/devtools/client/storage/test/")
+      ]
+    ],
+  ]);
+
+  ok(!gUI.sidebar.hidden, "Sidebar still visible for next row");
+
+  // Check if next element's value is visible in sidebar
+  yield findVariableViewProperties([{name: "c2", value: "foobar"}]);
+
+  // Keep deleting till no rows
+  gWindow.removeCookie("c3");
+
+  yield gUI.once("store-objects-updated");
+
+  yield checkState([
+    [
+      ["cookies", "test1.example.org"],
+      [
+        getCookieId("c2", "test1.example.org", "/browser"),
+        getCookieId("c4", "test1.example.org",
+                    "/browser/devtools/client/storage/test/")
+      ]
+    ],
+  ]);
+
+  // Check if next element's value is visible in sidebar
+  yield findVariableViewProperties([{name: "c2", value: "foobar"}]);
+
+  gWindow.removeCookie("c2", "/browser");
+
+  yield gUI.once("sidebar-updated");
+
+  yield checkState([
+    [
+      ["cookies", "test1.example.org"],
+      [
+        getCookieId("c4", "test1.example.org",
+                    "/browser/devtools/client/storage/test/")
+      ]
+    ],
+  ]);
+
+  // Check if next element's value is visible in sidebar
+  yield findVariableViewProperties([{name: "c4", value: "booyeah"}]);
+
+  gWindow.removeCookie("c4");
+
+  yield gUI.once("store-objects-updated");
+
+  yield checkState([
+    [["cookies", "test1.example.org"], [ ]],
+  ]);
+
+  ok(gUI.sidebar.hidden, "Sidebar is hidden when no rows");
+
+  yield finishTests();
+});
diff --git a/devtools/client/storage/test/browser_storage_dynamic_updates_localStorage.js b/devtools/client/storage/test/browser_storage_dynamic_updates_localStorage.js
new file mode 100644
index 000000000..35912ce3a
--- /dev/null
+++ b/devtools/client/storage/test/browser_storage_dynamic_updates_localStorage.js
@@ -0,0 +1,70 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// Test dynamic updates in the storage inspector for localStorage.
+
+add_task(function* () {
+  yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-updates.html");
+
+  gUI.tree.expandAll();
+
+  ok(gUI.sidebar.hidden, "Sidebar is initially hidden");
+
+  yield checkState([
+    [
+      ["localStorage", "http://test1.example.org"],
+      ["ls1", "ls2", "ls3", "ls4", "ls5", "ls6", "ls7"]
+    ],
+  ]);
+
+  gWindow.localStorage.removeItem("ls4");
+
+  yield gUI.once("store-objects-updated");
+
+  yield checkState([
+    [
+      ["localStorage", "http://test1.example.org"],
+      ["ls1", "ls2", "ls3", "ls5", "ls6", "ls7"]
+    ],
+  ]);
+
+  gWindow.localStorage.setItem("ls4", "again");
+
+  yield gUI.once("store-objects-updated");
+  yield gUI.once("store-objects-updated");
+
+  yield checkState([
+    [
+      ["localStorage", "http://test1.example.org"],
+      ["ls1", "ls2", "ls3", "ls4", "ls5", "ls6", "ls7"]
+    ],
+  ]);
+  // Updating a row
+  gWindow.localStorage.setItem("ls2", "ls2-changed");
+
+  yield gUI.once("store-objects-updated");
+  yield gUI.once("store-objects-updated");
+
+  checkCell("ls2", "value", "ls2-changed");
+
+  // Clearing items. Bug 1233497 makes it so that we can no longer yield
+  // CPOWs from Tasks. We work around this by calling clear via a ContentTask
+  // instead.
+  yield ContentTask.spawn(gBrowser.selectedBrowser, null, function* () {
+    return Task.spawn(content.wrappedJSObject.clear);
+  });
+
+  yield gUI.once("store-objects-cleared");
+
+  yield checkState([
+    [
+      ["localStorage", "http://test1.example.org"],
+      [ ]
+    ],
+  ]);
+
+  yield finishTests();
+});
diff --git a/devtools/client/storage/test/browser_storage_dynamic_updates_sessionStorage.js b/devtools/client/storage/test/browser_storage_dynamic_updates_sessionStorage.js
new file mode 100644
index 000000000..8c2f2537e
--- /dev/null
+++ b/devtools/client/storage/test/browser_storage_dynamic_updates_sessionStorage.js
@@ -0,0 +1,83 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// Test dynamic updates in the storage inspector for sessionStorage.
+
+add_task(function* () {
+  yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-updates.html");
+
+  gUI.tree.expandAll();
+
+  ok(gUI.sidebar.hidden, "Sidebar is initially hidden");
+  yield checkState([
+    [
+      ["sessionStorage", "http://test1.example.org"],
+      ["ss1", "ss2", "ss3"]
+    ],
+  ]);
+
+  gWindow.sessionStorage.setItem("ss4", "new-item");
+
+  yield gUI.once("store-objects-updated");
+  yield gUI.once("store-objects-updated");
+
+  yield checkState([
+    [
+      ["sessionStorage", "http://test1.example.org"],
+      ["ss1", "ss2", "ss3", "ss4"]
+    ],
+  ]);
+
+  // deleting item
+
+  gWindow.sessionStorage.removeItem("ss3");
+
+  yield gUI.once("store-objects-updated");
+
+  gWindow.sessionStorage.removeItem("ss1");
+
+  yield gUI.once("store-objects-updated");
+
+  yield checkState([
+    [
+      ["sessionStorage", "http://test1.example.org"],
+      ["ss2", "ss4"]
+    ],
+  ]);
+
+  yield selectTableItem("ss2");
+
+  ok(!gUI.sidebar.hidden, "sidebar is visible");
+
+  // Checking for correct value in sidebar before update
+  yield findVariableViewProperties([{name: "ss2", value: "foobar"}]);
+
+  gWindow.sessionStorage.setItem("ss2", "changed=ss2");
+
+  yield gUI.once("sidebar-updated");
+
+  checkCell("ss2", "value", "changed=ss2");
+
+  yield findVariableViewProperties([{name: "ss2", value: "changed=ss2"}]);
+
+  // Clearing items. Bug 1233497 makes it so that we can no longer yield
+  // CPOWs from Tasks. We work around this by calling clear via a ContentTask
+  // instead.
+  yield ContentTask.spawn(gBrowser.selectedBrowser, null, function* () {
+    return Task.spawn(content.wrappedJSObject.clear);
+  });
+
+  yield gUI.once("store-objects-cleared");
+
+  yield checkState([
+    [
+      ["sessionStorage", "http://test1.example.org"],
+      [ ]
+    ],
+  ]);
+
+  yield finishTests();
+});
diff --git a/devtools/client/storage/test/browser_storage_empty_objectstores.js b/devtools/client/storage/test/browser_storage_empty_objectstores.js
index 1749c91b8..e6f259742 100644
--- a/devtools/client/storage/test/browser_storage_empty_objectstores.js
+++ b/devtools/client/storage/test/browser_storage_empty_objectstores.js
@@ -21,14 +21,14 @@
 // storage-secured-iframe.html and storage-unsecured-iframe.html
 const storeItems = [
   [["indexedDB", "http://test1.example.org"],
-   ["idb1", "idb2"]],
-  [["indexedDB", "http://test1.example.org", "idb1"],
+   ["idb1 (default)", "idb2 (default)"]],
+  [["indexedDB", "http://test1.example.org", "idb1 (default)"],
    ["obj1", "obj2"]],
-  [["indexedDB", "http://test1.example.org", "idb2"],
+  [["indexedDB", "http://test1.example.org", "idb2 (default)"],
    []],
-  [["indexedDB", "http://test1.example.org", "idb1", "obj1"],
+  [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj1"],
    [1, 2, 3]],
-  [["indexedDB", "http://test1.example.org", "idb1", "obj2"],
+  [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj2"],
    [1]]
 ];
 
diff --git a/devtools/client/storage/test/browser_storage_indexeddb_delete.js b/devtools/client/storage/test/browser_storage_indexeddb_delete.js
index 18a0daf69..5c499c9e9 100644
--- a/devtools/client/storage/test/browser_storage_indexeddb_delete.js
+++ b/devtools/client/storage/test/browser_storage_indexeddb_delete.js
@@ -16,11 +16,11 @@ add_task(function* () {
 
   info("test state before delete");
   yield checkState([
-    [["indexedDB", "http://test1.example.org"], ["idb1", "idb2"]],
+    [["indexedDB", "http://test1.example.org"], ["idb1 (default)", "idb2 (default)"]],
   ]);
 
   info("do the delete");
-  const deletedDb = ["indexedDB", "http://test1.example.org", "idb1"];
+  const deletedDb = ["indexedDB", "http://test1.example.org", "idb1 (default)"];
 
   yield selectTreeItem(deletedDb);
 
@@ -40,7 +40,7 @@ add_task(function* () {
 
   info("test state after delete");
   yield checkState([
-    [["indexedDB", "http://test1.example.org"], ["idb2"]],
+    [["indexedDB", "http://test1.example.org"], ["idb2 (default)"]],
   ]);
 
   yield finishTests();
diff --git a/devtools/client/storage/test/browser_storage_indexeddb_delete_blocked.js b/devtools/client/storage/test/browser_storage_indexeddb_delete_blocked.js
index 6e89c4f28..2d77896f3 100644
--- a/devtools/client/storage/test/browser_storage_indexeddb_delete_blocked.js
+++ b/devtools/client/storage/test/browser_storage_indexeddb_delete_blocked.js
@@ -13,19 +13,19 @@ add_task(function* () {
 
   info("test state before delete");
   yield checkState([
-    [["indexedDB", "http://test1.example.org"], ["idb"]]
+    [["indexedDB", "http://test1.example.org"], ["idb (default)"]]
   ]);
 
   info("do the delete");
   yield selectTreeItem(["indexedDB", "http://test1.example.org"]);
-  let actor = gUI.getCurrentActor();
-  let result = yield actor.removeDatabase("http://test1.example.org", "idb");
+  let front = gUI.getCurrentFront();
+  let result = yield front.removeDatabase("http://test1.example.org", "idb (default)");
 
   ok(result.blocked, "removeDatabase attempt is blocked");
 
   info("test state after blocked delete");
   yield checkState([
-    [["indexedDB", "http://test1.example.org"], ["idb"]]
+    [["indexedDB", "http://test1.example.org"], ["idb (default)"]]
   ]);
 
   let eventWait = gUI.once("store-objects-updated");
@@ -47,7 +47,7 @@ add_task(function* () {
   info("try to delete database from nonexistent host");
   let errorThrown = false;
   try {
-    result = yield actor.removeDatabase("http://test2.example.org", "idb");
+    result = yield front.removeDatabase("http://test2.example.org", "idb (default)");
   } catch (ex) {
     errorThrown = true;
   }
diff --git a/devtools/client/storage/test/browser_storage_indexeddb_duplicate_names.js b/devtools/client/storage/test/browser_storage_indexeddb_duplicate_names.js
new file mode 100644
index 000000000..8316d22c5
--- /dev/null
+++ b/devtools/client/storage/test/browser_storage_indexeddb_duplicate_names.js
@@ -0,0 +1,31 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Test to verify that indexedDBs with duplicate names (different types / paths)
+// work as expected.
+
+"use strict";
+
+add_task(function* () {
+  const TESTPAGE = MAIN_DOMAIN + "storage-indexeddb-duplicate-names.html";
+
+  setPermission(TESTPAGE, "indexedDB");
+
+  yield openTabAndSetupStorage(TESTPAGE);
+
+  yield checkState([
+    [
+      ["indexedDB", "http://test1.example.org"], [
+        "idb1 (default)",
+        "idb1 (temporary)",
+        "idb1 (persistent)",
+        "idb2 (default)",
+        "idb2 (temporary)",
+        "idb2 (persistent)"
+      ]
+    ]
+  ]);
+
+  yield finishTests();
+});
diff --git a/devtools/client/storage/test/browser_storage_localstorage_add.js b/devtools/client/storage/test/browser_storage_localstorage_add.js
new file mode 100644
index 000000000..de40957b8
--- /dev/null
+++ b/devtools/client/storage/test/browser_storage_localstorage_add.js
@@ -0,0 +1,20 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Basic test to check the adding of localStorage entries.
+
+"use strict";
+
+add_task(function* () {
+  yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-localstorage.html");
+  showAllColumns(true);
+
+  yield performAdd(["localStorage", "http://test1.example.org"]);
+  yield performAdd(["localStorage", "http://test1.example.org"]);
+  yield performAdd(["localStorage", "http://test1.example.org"]);
+  yield performAdd(["localStorage", "http://test1.example.org"]);
+  yield performAdd(["localStorage", "http://test1.example.org"]);
+
+  yield finishTests();
+});
diff --git a/devtools/client/storage/test/browser_storage_overflow.js b/devtools/client/storage/test/browser_storage_overflow.js
index 88181ca05..21b931c8e 100644
--- a/devtools/client/storage/test/browser_storage_overflow.js
+++ b/devtools/client/storage/test/browser_storage_overflow.js
@@ -2,40 +2,58 @@
 // inspector table.
 "use strict";
 
+const ITEMS_PER_PAGE = 50;
+
 add_task(function* () {
   yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-overflow.html");
 
-  let $ = id => gPanelWindow.document.querySelector(id);
-  let $$ = sel => gPanelWindow.document.querySelectorAll(sel);
-
   gUI.tree.expandAll();
   yield selectTreeItem(["localStorage", "http://test1.example.org"]);
+  checkCellLength(ITEMS_PER_PAGE);
+ 
+  yield scroll();
+  checkCellLength(ITEMS_PER_PAGE * 2);
 
-  let table = $("#storage-table .table-widget-body");
-  let cellHeight = $(".table-widget-cell").getBoundingClientRect().height;
+  yield scroll();
+  checkCellLength(ITEMS_PER_PAGE * 3);
 
-  is($$("#value .table-widget-cell").length, 50,
-     "Table should initially display 50 items");
+  // Check that the columns are sorted in a human readable way (ascending).
+  checkCellValues("ASC");
 
-  let onStoresUpdate = gUI.once("store-objects-updated");
-  table.scrollTop += cellHeight * 50;
-  yield onStoresUpdate;
+  // Sort descending.
+  clickColumnHeader("name");
 
-  is($$("#value .table-widget-cell").length, 100,
-     "Table should display 100 items after scrolling");
+  // Check that the columns are sorted in a human readable way (descending).
+  checkCellValues("DEC");
 
-  onStoresUpdate = gUI.once("store-objects-updated");
-  table.scrollTop += cellHeight * 50;
-  yield onStoresUpdate;
+  yield finishTests();
+});
 
-  is($$("#value .table-widget-cell").length, 150,
-     "Table should display 150 items after scrolling");
+function checkCellLength(len) {
+  let cells = gPanelWindow.document
+                          .querySelectorAll("#name .table-widget-cell");
+  let msg = `Table should initially display ${len} items`;
 
-  onStoresUpdate = gUI.once("store-objects-updated");
+  is(cells.length, len, msg);
+}
+
+function checkCellValues(order) {
+  let cells = [...gPanelWindow.document
+                              .querySelectorAll("#name .table-widget-cell")];
+  cells.forEach(function (cell, index, arr) {
+    let i = order === "ASC" ? index + 1 : arr.length - index;
+    is(cell.value, `item-${i}`, `Cell value is correct (${order}).`);
+  });
+}
+
+function* scroll() {
+  let $ = id => gPanelWindow.document.querySelector(id);
+
+  let table = $("#storage-table .table-widget-body");
+  let cell = $("#name .table-widget-cell");
+  let cellHeight = cell.getBoundingClientRect().height;
+
+  let onStoresUpdate = gUI.once("store-objects-updated");
   table.scrollTop += cellHeight * 50;
   yield onStoresUpdate;
-
-  is($$("#value .table-widget-cell").length, 160,
-     "Table should display all 160 items after scrolling");
-  yield finishTests();
-});
+}
diff --git a/devtools/client/storage/test/browser_storage_sessionstorage_add.js b/devtools/client/storage/test/browser_storage_sessionstorage_add.js
new file mode 100644
index 000000000..8f220bc81
--- /dev/null
+++ b/devtools/client/storage/test/browser_storage_sessionstorage_add.js
@@ -0,0 +1,20 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Basic test to check the adding of sessionStorage entries.
+
+"use strict";
+
+add_task(function* () {
+  yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-sessionstorage.html");
+  showAllColumns(true);
+
+  yield performAdd(["sessionStorage", "http://test1.example.org"]);
+  yield performAdd(["sessionStorage", "http://test1.example.org"]);
+  yield performAdd(["sessionStorage", "http://test1.example.org"]);
+  yield performAdd(["sessionStorage", "http://test1.example.org"]);
+  yield performAdd(["sessionStorage", "http://test1.example.org"]);
+
+  yield finishTests();
+});
diff --git a/devtools/client/storage/test/browser_storage_sidebar.js b/devtools/client/storage/test/browser_storage_sidebar.js
index 9b60026a0..6712ac013 100644
--- a/devtools/client/storage/test/browser_storage_sidebar.js
+++ b/devtools/client/storage/test/browser_storage_sidebar.js
@@ -20,22 +20,22 @@ const testCases = [
     sidebarHidden: true
   },
   {
-    location: "cs2",
+    location: getCookieId("cs2", ".example.org", "/"),
     sidebarHidden: false
   },
   {
     sendEscape: true
   },
   {
-    location: "cs2",
+    location: getCookieId("cs2", ".example.org", "/"),
     sidebarHidden: false
   },
   {
-    location: "uc1",
+    location: getCookieId("uc1", ".example.org", "/"),
     sidebarHidden: false
   },
   {
-    location: "uc1",
+    location: getCookieId("uc1", ".example.org", "/"),
     sidebarHidden: false
   },
 
@@ -72,17 +72,17 @@ const testCases = [
     sidebarHidden: true
   },
   {
-    location: "idb2",
+    location: "idb2 (default)",
     sidebarHidden: false
   },
 
   {
-    location: ["indexedDB", "http://test1.example.org", "idb2", "obj3"],
+    location: ["indexedDB", "http://test1.example.org", "idb2 (default)", "obj3"],
     sidebarHidden: true
   },
 
   {
-    location: ["indexedDB", "https://sectest1.example.org", "idb-s2"],
+    location: ["indexedDB", "https://sectest1.example.org", "idb-s2 (default)"],
     sidebarHidden: true
   },
   {
diff --git a/devtools/client/storage/test/browser_storage_sidebar_update.js b/devtools/client/storage/test/browser_storage_sidebar_update.js
index 419d63020..92547815a 100644
--- a/devtools/client/storage/test/browser_storage_sidebar_update.js
+++ b/devtools/client/storage/test/browser_storage_sidebar_update.js
@@ -26,7 +26,7 @@ add_task(function* () {
   for (let i = 0; i < UPDATE_COUNT; i++) {
     info(`Performing update #${i}`);
     updates.push(gUI.once("sidebar-updated"));
-    gUI.displayObjectSidebar();
+    gUI.updateObjectSidebar();
   }
   yield promise.all(updates);
 
diff --git a/devtools/client/storage/test/browser_storage_values.js b/devtools/client/storage/test/browser_storage_values.js
index 920ce350e..1d3e9ff76 100644
--- a/devtools/client/storage/test/browser_storage_values.js
+++ b/devtools/client/storage/test/browser_storage_values.js
@@ -17,7 +17,7 @@
 const LONG_WORD = "a".repeat(1000);
 
 const testCases = [
-  ["cs2", [
+  [getCookieId("cs2", ".example.org", "/"), [
     {name: "cs2", value: "sessionCookie"},
     {name: "cs2.Path", value: "/"},
     {name: "cs2.HostOnly", value: "false"},
@@ -26,7 +26,7 @@ const testCases = [
     {name: "cs2.Expires", value: "Session"},
     {name: "cs2.Secure", value: "false"},
   ]],
-  ["c1", [
+  [getCookieId("c1", "test1.example.org", "/browser"), [
     {name: "c1", value: JSON.stringify(["foo", "Bar", {foo: "Bar"}])},
     {name: "c1.Path", value: "/browser"},
     {name: "c1.HostOnly", value: "true"},
@@ -42,9 +42,13 @@ const testCases = [
     {name: "c1.2", value: "Object"},
     {name: "c1.2.foo", value: "Bar"},
   ], true],
-  ["c_encoded", [
-    {name: "c_encoded", value: encodeURIComponent(JSON.stringify({foo: {foo1: "bar"}}))}
-  ]],
+  [
+    getCookieId("c_encoded", "test1.example.org",
+                "/browser/devtools/client/storage/test/"),
+    [
+      {name: "c_encoded", value: encodeURIComponent(JSON.stringify({foo: {foo1: "bar"}}))}
+    ]
+  ],
   [null, [
     {name: "c_encoded", value: "Object"},
     {name: "c_encoded.foo", value: "Object"},
@@ -120,7 +124,7 @@ const testCases = [
     {name: "ss5.3", value: `${LONG_WORD}&${LONG_WORD}`},
     {name: "ss5.4", value: `${LONG_WORD}&${LONG_WORD}`},
   ], true],
-  [["indexedDB", "http://test1.example.org", "idb1", "obj1"]],
+  [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj1"]],
   [1, [
     {name: 1, value: JSON.stringify({id: 1, name: "foo", email: "foo@bar.com"})}
   ]],
@@ -129,7 +133,7 @@ const testCases = [
     {name: "1.name", value: "foo"},
     {name: "1.email", value: "foo@bar.com"},
   ], true],
-  [["indexedDB", "http://test1.example.org", "idb1", "obj2"]],
+  [["indexedDB", "http://test1.example.org", "idb1 (default)", "obj2"]],
   [1, [
     {name: 1, value: JSON.stringify({
       id2: 1, name: "foo", email: "foo@bar.com", extra: "baz"
diff --git a/devtools/client/storage/test/head.js b/devtools/client/storage/test/head.js
index 9662393cf..181132a45 100644
--- a/devtools/client/storage/test/head.js
+++ b/devtools/client/storage/test/head.js
@@ -15,6 +15,7 @@ Services.scriptloader.loadSubScript(
 const {TableWidget} = require("devtools/client/shared/widgets/TableWidget");
 const SPLIT_CONSOLE_PREF = "devtools.toolbox.splitconsoleEnabled";
 const STORAGE_PREF = "devtools.storage.enabled";
+const DOM_CACHE = "dom.caches.enabled";
 const DUMPEMIT_PREF = "devtools.dump.emit";
 const DEBUGGERLOG_PREF = "devtools.debugger.log";
 // Allows Cache API to be working on usage `http` test page
@@ -24,6 +25,11 @@ const MAIN_DOMAIN = "http://test1.example.org/" + PATH;
 const ALT_DOMAIN = "http://sectest1.example.org/" + PATH;
 const ALT_DOMAIN_SECURED = "https://sectest1.example.org:443/" + PATH;
 
+// GUID to be used as a separator in compound keys. This must match the same
+// constant in devtools/server/actors/storage.js,
+// devtools/client/storage/ui.js and devtools/server/tests/browser/head.js
+const SEPARATOR_GUID = "{9d414cc5-8319-0a04-0586-c0a6ae01670a}";
+
 var gToolbox, gPanelWindow, gWindow, gUI;
 
 // Services.prefs.setBoolPref(DUMPEMIT_PREF, true);
@@ -33,11 +39,12 @@ Services.prefs.setBoolPref(STORAGE_PREF, true);
 Services.prefs.setBoolPref(CACHES_ON_HTTP_PREF, true);
 registerCleanupFunction(() => {
   gToolbox = gPanelWindow = gWindow = gUI = null;
-  Services.prefs.clearUserPref(STORAGE_PREF);
-  Services.prefs.clearUserPref(SPLIT_CONSOLE_PREF);
-  Services.prefs.clearUserPref(DUMPEMIT_PREF);
-  Services.prefs.clearUserPref(DEBUGGERLOG_PREF);
   Services.prefs.clearUserPref(CACHES_ON_HTTP_PREF);
+  Services.prefs.clearUserPref(DEBUGGERLOG_PREF);
+  Services.prefs.clearUserPref(DOM_CACHE);
+  Services.prefs.clearUserPref(DUMPEMIT_PREF);
+  Services.prefs.clearUserPref(SPLIT_CONSOLE_PREF);
+  Services.prefs.clearUserPref(STORAGE_PREF);
 });
 
 /**
@@ -505,10 +512,16 @@ function* selectTreeItem(ids) {
  *        The id of the row in the table widget
  */
 function* selectTableItem(id) {
-  let selector = ".table-widget-cell[data-id='" + id + "']";
+  let table = gUI.table;
+  let selector = ".table-widget-column#" + table.uniqueId +
+                 " .table-widget-cell[value='" + id + "']";
   let target = gPanelWindow.document.querySelector(selector);
   ok(target, "table item found with ids " + id);
 
+  if (!target) {
+    showAvailableIds();
+  }
+
   yield click(target);
   yield gUI.once("sidebar-updated");
 }
@@ -586,22 +599,39 @@ function getRowCells(id, includeHidden = false) {
 
   if (!item) {
     ok(false, "Row id '" + id + "' exists");
+
+    showAvailableIds();
   }
 
-  let index = table.columns.get(table.uniqueId).visibleCellNodes.indexOf(item);
+  let index = table.columns.get(table.uniqueId).cellNodes.indexOf(item);
   let cells = {};
 
   for (let [name, column] of [...table.columns]) {
     if (!includeHidden && column.column.parentNode.hidden) {
       continue;
     }
-    cells[name] = column.visibleCellNodes[index];
+    cells[name] = column.cellNodes[index];
   }
 
   return cells;
 }
 
 /**
+ * Show available ids.
+ */
+function showAvailableIds() {
+  let doc = gPanelWindow.document;
+  let table = gUI.table;
+
+  info("Available ids:");
+  let cells = doc.querySelectorAll(".table-widget-column#" + table.uniqueId +
+                                   " .table-widget-cell");
+  for (let cell of cells) {
+    info("  - " + cell.getAttribute("value"));
+  }
+}
+
+/**
  * Get a cell value.
  *
  * @param {String} id
@@ -704,6 +734,20 @@ function showColumn(id, state) {
 }
 
 /**
+ * Toggle sort direction on a column by clicking on the column header.
+ *
+ * @param  {String} id
+ *         The uniqueId of the given column.
+ */
+function clickColumnHeader(id) {
+  let columns = gUI.table.columns;
+  let column = columns.get(id);
+  let header = column.header;
+
+  header.click();
+}
+
+/**
  * Show or hide all columns.
  *
  * @param  {Boolean} state
@@ -798,9 +842,18 @@ function* checkState(state) {
 
     is(items.size, names.length,
       `There is correct number of rows in ${storeName}`);
+
+    if (names.length === 0) {
+      showAvailableIds();
+    }
+
     for (let name of names) {
       ok(items.has(name),
         `There is item with name '${name}' in ${storeName}`);
+
+      if (!items.has(name)) {
+        showAvailableIds();
+      }
     }
   }
 }
@@ -838,3 +891,59 @@ var focusSearchBoxUsingShortcut = Task.async(function* (panelWin, callback) {
     callback();
   }
 });
+
+function getCookieId(name, domain, path) {
+  return `${name}${SEPARATOR_GUID}${domain}${SEPARATOR_GUID}${path}`;
+}
+
+function setPermission(url, permission) {
+  const nsIPermissionManager = Components.interfaces.nsIPermissionManager;
+
+  let uri = Components.classes["@mozilla.org/network/io-service;1"]
+                      .getService(Components.interfaces.nsIIOService)
+                      .newURI(url, null, null);
+  let ssm = Components.classes["@mozilla.org/scriptsecuritymanager;1"]
+                      .getService(Ci.nsIScriptSecurityManager);
+  let principal = ssm.createCodebasePrincipal(uri, {});
+
+  Components.classes["@mozilla.org/permissionmanager;1"]
+            .getService(nsIPermissionManager)
+            .addFromPrincipal(principal, permission,
+                              nsIPermissionManager.ALLOW_ACTION);
+}
+
+/**
+ * Add an item.
+ * @param  {Array} store
+ *         An array containing the path to the store to which we wish to add an
+ *         item.
+ */
+function* performAdd(store) {
+  let storeName = store.join(" > ");
+  let toolbar = gPanelWindow.document.getElementById("storage-toolbar");
+  let type = store[0];
+
+  yield selectTreeItem(store);
+
+  let menuAdd = toolbar.querySelector(
+    "#add-button");
+
+  if (menuAdd.hidden) {
+    is(menuAdd.hidden, false,
+       `performAdd called for ${storeName} but it is not supported`);
+    return;
+  }
+
+  let eventEdit = gUI.table.once("row-edit");
+  let eventWait = gUI.once("store-objects-updated");
+
+  menuAdd.click();
+
+  let rowId = yield eventEdit;
+  yield eventWait;
+
+  let key = type === "cookies" ? "uniqueKey" : "name";
+  let value = getCellValue(rowId, key);
+
+  is(rowId, value, `Row '${rowId}' was successfully added.`);
+}
diff --git a/devtools/client/storage/test/storage-indexeddb-duplicate-names.html b/devtools/client/storage/test/storage-indexeddb-duplicate-names.html
new file mode 100644
index 000000000..d8c76dc2a
--- /dev/null
+++ b/devtools/client/storage/test/storage-indexeddb-duplicate-names.html
@@ -0,0 +1,50 @@
+<!DOCTYPE html>
+<html><head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+  <meta charset="utf-8">
+  <title>Storage inspector IndexedDBs with duplicate names</title>
+
+  <script type="application/javascript;version=1.7">
+    "use strict";
+
+    function createIndexedDBs() {
+      createIndexedDB("idb1", "temporary");
+      createIndexedDB("idb1", "default");
+      createIndexedDB("idb1", "persistent");
+      createIndexedDB("idb2", "temporary");
+      createIndexedDB("idb2", "default");
+      createIndexedDB("idb2", "persistent");
+    }
+
+    function createIndexedDB(name, storage) {
+      let open = indexedDB.open(name, {storage: storage});
+
+      open.onsuccess = function () {
+        let db = open.result;
+        db.close();
+      };
+    }
+
+    function deleteDB(dbName, storage) {
+      return new Promise(resolve => {
+        dump(`removing database ${dbName} (${storage}) from ${document.location}\n`);
+        indexedDB.deleteDatabase(dbName, { storage: storage }).onsuccess = resolve;
+      });
+    }
+
+    window.clear = function* () {
+      yield deleteDB("idb1", "temporary");
+      yield deleteDB("idb1", "default");
+      yield deleteDB("idb1", "persistent");
+      yield deleteDB("idb2", "temporary");
+      yield deleteDB("idb2", "default");
+      yield deleteDB("idb2", "persistent");
+
+      dump(`removed indexedDB data from ${document.location}\n`);
+    };
+  </script>
+</head>
+<body onload="createIndexedDBs()">
+  <h1>storage-indexeddb-duplicate-names.html</h1>
+</body>
+</html>
diff --git a/devtools/client/storage/test/storage-listings.html b/devtools/client/storage/test/storage-listings.html
index de3054d3a..313b36b71 100644
--- a/devtools/client/storage/test/storage-listings.html
+++ b/devtools/client/storage/test/storage-listings.html
@@ -1,4 +1,4 @@
-<!DOCTYPE HTML>
+<!DOCTYPE HTML>
 <html>
 <!--
 Bug 970517 - Storage inspector front end - tests
@@ -20,7 +20,10 @@ document.cookie = "c1=foobar; expires=" +
   new Date(cookieExpiresTime1).toGMTString() + "; path=/browser";
 document.cookie = "cs2=sessionCookie; path=/; domain=" + partialHostname;
 document.cookie = "c3=foobar-2; expires=" +
-  new Date(cookieExpiresTime2).toGMTString() + "; path=/";
+  new Date(cookieExpiresTime1).toGMTString() + "; path=/";
+document.cookie = "c4=foobar-3; expires=" +
+  new Date(cookieExpiresTime2).toGMTString() + "; path=/; domain=" +
+  partialHostname;
 // ... and some local storage items ..
 localStorage.setItem("ls1", "foobar");
 localStorage.setItem("ls2", "foobar-2");
@@ -110,14 +113,19 @@ let cacheGenerator = function*() {
 
 window.setup = function*() {
   yield idbGenerator();
-  yield cacheGenerator();
+
+  if (window.caches) {
+    yield cacheGenerator();
+  }
 };
 
 window.clear = function*() {
   yield deleteDB("idb1");
   yield deleteDB("idb2");
 
-  yield caches.delete("plop");
+  if (window.caches) {
+    yield caches.delete("plop");
+  }
 
   dump("removed indexedDB and cache data from " + document.location + "\n");
 };
diff --git a/devtools/client/storage/test/storage-overflow.html b/devtools/client/storage/test/storage-overflow.html
index ee8db36e6..6309046b3 100644
--- a/devtools/client/storage/test/storage-overflow.html
+++ b/devtools/client/storage/test/storage-overflow.html
@@ -11,7 +11,7 @@ Bug 1171903 - Storage Inspector endless scrolling
 <script type="text/javascript;version=1.8">
 "use strict";
 
-for (let i = 0; i < 160; i++) {
+for (let i = 1; i < 151; i++) {
   localStorage.setItem(`item-${i}`, `value-${i}`);
 }
 </script>
diff --git a/devtools/client/storage/test/storage-secured-iframe.html b/devtools/client/storage/test/storage-secured-iframe.html
index 8424fd4cd..9e1ef60a0 100644
--- a/devtools/client/storage/test/storage-secured-iframe.html
+++ b/devtools/client/storage/test/storage-secured-iframe.html
@@ -1,4 +1,4 @@
-<!DOCTYPE HTML>
+<!DOCTYPE HTML>
 <html>
 <!--
 Iframe for testing multiple host detetion in storage actor
@@ -9,7 +9,10 @@ Iframe for testing multiple host detetion in storage actor
 <body>
 <script type="application/javascript;version=1.7">
 "use strict";
+let cookieExpiresTime = 2000000000000;
 document.cookie = "sc1=foobar;";
+document.cookie = "sc2=foobar-2; expires=" +
+  new Date(cookieExpiresTime).toGMTString() + ";";
 localStorage.setItem("iframe-s-ls1", "foobar");
 sessionStorage.setItem("iframe-s-ss1", "foobar-2");
 dump("added cookies and storage from secured iframe\n");
diff --git a/devtools/client/storage/test/storage-unsecured-iframe.html b/devtools/client/storage/test/storage-unsecured-iframe.html
index a69ffdfd1..cd08a6164 100644
--- a/devtools/client/storage/test/storage-unsecured-iframe.html
+++ b/devtools/client/storage/test/storage-unsecured-iframe.html
@@ -9,7 +9,10 @@ Iframe for testing multiple host detetion in storage actor
 <body>
 <script>
 "use strict";
+let cookieExpiresTime = 2000000000000;
 document.cookie = "uc1=foobar; domain=.example.org; path=/";
+document.cookie = "uc2=foobar-2; expires=" +
+  new Date(cookieExpiresTime).toGMTString() + "; path=/; domain=.example.org";
 localStorage.setItem("iframe-u-ls1", "foobar");
 sessionStorage.setItem("iframe-u-ss1", "foobar1");
 sessionStorage.setItem("iframe-u-ss2", "foobar2");
diff --git a/devtools/client/storage/test/storage-updates.html b/devtools/client/storage/test/storage-updates.html
index a009814b2..341992f61 100644
--- a/devtools/client/storage/test/storage-updates.html
+++ b/devtools/client/storage/test/storage-updates.html
@@ -38,8 +38,10 @@ window.removeCookie = function(name, path) {
  * can be tested.
  */
 window.clear = function*() {
-  sessionStorage.clear();
+  localStorage.clear();
+  dump("removed localStorage from " + document.location + "\n");
 
+  sessionStorage.clear();
   dump("removed sessionStorage from " + document.location + "\n");
 };
 
diff --git a/devtools/client/storage/ui.js b/devtools/client/storage/ui.js
index 6af493e44..ef07a8e88 100644
--- a/devtools/client/storage/ui.js
+++ b/devtools/client/storage/ui.js
@@ -12,6 +12,12 @@ const {KeyShortcuts} = require("devtools/client/shared/key-shortcuts");
 const JSOL = require("devtools/client/shared/vendor/jsol");
 const {KeyCodes} = require("devtools/client/shared/keycodes");
 
+// GUID to be used as a separator in compound keys. This must match the same
+// constant in devtools/server/actors/storage.js,
+// devtools/client/storage/test/head.js and
+// devtools/server/tests/browser/head.js
+const SEPARATOR_GUID = "{9d414cc5-8319-0a04-0586-c0a6ae01670a}";
+
 loader.lazyRequireGetter(this, "TreeWidget",
                          "devtools/client/shared/widgets/TreeWidget", true);
 loader.lazyRequireGetter(this, "TableWidget",
@@ -36,13 +42,6 @@ const GENERIC_VARIABLES_VIEW_SETTINGS = {
   preventDescriptorModifiers: true
 };
 
-// Columns which are hidden by default in the storage table
-const HIDDEN_COLUMNS = [
-  "creationTime",
-  "isDomain",
-  "isSecure"
-];
-
 const REASON = {
   NEW_ROW: "new-row",
   NEXT_50_ITEMS: "next-50-items",
@@ -114,8 +113,8 @@ function StorageUI(front, target, panelWin, toolbox) {
     cellContextMenuId: "storage-table-popup"
   });
 
-  this.displayObjectSidebar = this.displayObjectSidebar.bind(this);
-  this.table.on(TableWidget.EVENTS.ROW_SELECTED, this.displayObjectSidebar);
+  this.updateObjectSidebar = this.updateObjectSidebar.bind(this);
+  this.table.on(TableWidget.EVENTS.ROW_SELECTED, this.updateObjectSidebar);
 
   this.handleScrollEnd = this.handleScrollEnd.bind(this);
   this.table.on(TableWidget.EVENTS.SCROLL_END, this.handleScrollEnd);
@@ -161,11 +160,20 @@ function StorageUI(front, target, panelWin, toolbox) {
   this._tablePopup = this._panelDoc.getElementById("storage-table-popup");
   this._tablePopup.addEventListener("popupshowing", this.onTablePopupShowing);
 
+  this.onAddItem = this.onAddItem.bind(this);
   this.onRemoveItem = this.onRemoveItem.bind(this);
   this.onRemoveAllFrom = this.onRemoveAllFrom.bind(this);
   this.onRemoveAll = this.onRemoveAll.bind(this);
+  this.onRemoveAllSessionCookies = this.onRemoveAllSessionCookies.bind(this);
   this.onRemoveTreeItem = this.onRemoveTreeItem.bind(this);
 
+  this._addButton = this._panelDoc.getElementById("add-button");
+  this._addButton.addEventListener("command", this.onAddItem);
+
+  this._tablePopupAddItem = this._panelDoc.getElementById(
+    "storage-table-popup-add");
+  this._tablePopupAddItem.addEventListener("command", this.onAddItem);
+
   this._tablePopupDelete = this._panelDoc.getElementById(
     "storage-table-popup-delete");
   this._tablePopupDelete.addEventListener("command", this.onRemoveItem);
@@ -179,10 +187,20 @@ function StorageUI(front, target, panelWin, toolbox) {
     "storage-table-popup-delete-all");
   this._tablePopupDeleteAll.addEventListener("command", this.onRemoveAll);
 
+  this._tablePopupDeleteAllSessionCookies = this._panelDoc.getElementById(
+    "storage-table-popup-delete-all-session-cookies");
+  this._tablePopupDeleteAllSessionCookies.addEventListener("command",
+    this.onRemoveAllSessionCookies);
+
   this._treePopupDeleteAll = this._panelDoc.getElementById(
     "storage-tree-popup-delete-all");
   this._treePopupDeleteAll.addEventListener("command", this.onRemoveAll);
 
+  this._treePopupDeleteAllSessionCookies = this._panelDoc.getElementById(
+    "storage-tree-popup-delete-all-session-cookies");
+  this._treePopupDeleteAllSessionCookies.addEventListener("command",
+    this.onRemoveAllSessionCookies);
+
   this._treePopupDelete = this._panelDoc.getElementById("storage-tree-popup-delete");
   this._treePopupDelete.addEventListener("command", this.onRemoveTreeItem);
 }
@@ -199,7 +217,7 @@ StorageUI.prototype = {
   },
 
   destroy: function () {
-    this.table.off(TableWidget.EVENTS.ROW_SELECTED, this.displayObjectSidebar);
+    this.table.off(TableWidget.EVENTS.ROW_SELECTED, this.updateObjectSidebar);
     this.table.off(TableWidget.EVENTS.SCROLL_END, this.handleScrollEnd);
     this.table.off(TableWidget.EVENTS.CELL_EDIT, this.editItem);
     this.table.destroy();
@@ -211,13 +229,19 @@ StorageUI.prototype = {
     this.searchBox = null;
 
     this._treePopup.removeEventListener("popupshowing", this.onTreePopupShowing);
+    this._addButton.removeEventListener("command", this.onAddItem);
+    this._tablePopupAddItem.removeEventListener("command", this.onAddItem);
     this._treePopupDeleteAll.removeEventListener("command", this.onRemoveAll);
+    this._treePopupDeleteAllSessionCookies.removeEventListener("command",
+      this.onRemoveAllSessionCookies);
     this._treePopupDelete.removeEventListener("command", this.onRemoveTreeItem);
 
     this._tablePopup.removeEventListener("popupshowing", this.onTablePopupShowing);
     this._tablePopupDelete.removeEventListener("command", this.onRemoveItem);
     this._tablePopupDeleteAllFrom.removeEventListener("command", this.onRemoveAllFrom);
     this._tablePopupDeleteAll.removeEventListener("command", this.onRemoveAll);
+    this._tablePopupDeleteAllSessionCookies.removeEventListener("command",
+      this.onRemoveAllSessionCookies);
   },
 
   /**
@@ -229,7 +253,7 @@ StorageUI.prototype = {
     this.table.clearSelection();
   },
 
-  getCurrentActor: function () {
+  getCurrentFront: function () {
     let type = this.table.datatype;
 
     return this.storageTypes[type];
@@ -250,9 +274,9 @@ StorageUI.prototype = {
   },
 
   editItem: function (eventType, data) {
-    let actor = this.getCurrentActor();
+    let front = this.getCurrentFront();
 
-    actor.editItem(data);
+    front.editItem(data);
   },
 
   /**
@@ -261,17 +285,16 @@ StorageUI.prototype = {
    * being removed was selected.
    */
   removeItemFromTable: function (name) {
-    if (this.table.isSelected(name)) {
+    if (this.table.isSelected(name) && this.table.items.size > 1) {
       if (this.table.selectedIndex == 0) {
         this.table.selectNextRow();
       } else {
         this.table.selectPreviousRow();
       }
-      this.table.remove(name);
-      this.displayObjectSidebar();
-    } else {
-      this.table.remove(name);
     }
+
+    this.table.remove(name);
+    this.updateObjectSidebar();
   },
 
   /**
@@ -454,22 +477,24 @@ StorageUI.prototype = {
    * @param {object} See onUpdate docs
    */
   handleChangedItems: function (changed) {
-    let [type, host, db, objectStore] = this.tree.selectedItem;
-    if (!changed[type] || !changed[type][host] ||
-        changed[type][host].length == 0) {
-      return;
-    }
-    try {
-      let toUpdate = [];
-      for (let name of changed[type][host]) {
-        let names = JSON.parse(name);
-        if (names[0] == db && names[1] == objectStore && names[2]) {
-          toUpdate.push(name);
+    if (this.tree.selectedItem) {
+      let [type, host, db, objectStore] = this.tree.selectedItem;
+      if (!changed[type] || !changed[type][host] ||
+          changed[type][host].length == 0) {
+        return;
+      }
+      try {
+        let toUpdate = [];
+        for (let name of changed[type][host]) {
+          let names = JSON.parse(name);
+          if (names[0] == db && names[1] == objectStore && names[2]) {
+            toUpdate.push(name);
+          }
         }
+        this.fetchStorageObjects(type, host, toUpdate, REASON.UPDATE);
+      } catch (ex) {
+        this.fetchStorageObjects(type, host, changed[type][host], REASON.UPDATE);
       }
-      this.fetchStorageObjects(type, host, toUpdate, REASON.UPDATE);
-    } catch (ex) {
-      this.fetchStorageObjects(type, host, changed[type][host], REASON.UPDATE);
     }
   },
 
@@ -504,7 +529,7 @@ StorageUI.prototype = {
         // The indexedDB type could have sub-type data to fetch.
         // If having names specified, then it means
         // we are fetching details of specific database or of object store.
-        if (type == "indexedDB" && names) {
+        if (type === "indexedDB" && names) {
           let [ dbName, objectStoreName ] = JSON.parse(names[0]);
           if (dbName) {
             subType = "database";
@@ -513,6 +538,15 @@ StorageUI.prototype = {
             subType = "object store";
           }
         }
+
+        this.actorSupportsAddItem = yield this._target.actorHasMethod(type, "addItem");
+        this.actorSupportsRemoveItem =
+          yield this._target.actorHasMethod(type, "removeItem");
+        this.actorSupportsRemoveAll =
+          yield this._target.actorHasMethod(type, "removeAll");
+        this.actorSupportsRemoveAllSessionCookies =
+          yield this._target.actorHasMethod(type, "removeAllSessionCookies");
+
         yield this.resetColumns(type, host, subType);
       }
 
@@ -520,6 +554,7 @@ StorageUI.prototype = {
       if (data.length) {
         this.populateTable(data, reason);
       }
+      yield this.updateToolbar();
       this.emit("store-objects-updated");
     } catch (ex) {
       console.error(ex);
@@ -527,6 +562,27 @@ StorageUI.prototype = {
   }),
 
   /**
+   * Updates the toolbar hiding and showing buttons as appropriate.
+   */
+  updateToolbar: Task.async(function* () {
+    let item = this.tree.selectedItem;
+    let howManyNodesIn = item ? item.length : 0;
+
+    // The first node is just a title e.g. "Cookies" so we need to be at least
+    // 2 nodes in to show the add button.
+    let canAdd = this.actorSupportsAddItem && howManyNodesIn > 1;
+
+    if (canAdd) {
+      this._addButton.hidden = false;
+      this._addButton.setAttribute("tooltiptext",
+        L10N.getFormatStr("storage.popupMenu.addItemLabel"));
+    } else {
+      this._addButton.hidden = true;
+      this._addButton.removeAttribute("tooltiptext");
+    }
+  }),
+
+  /**
    * Populates the storage tree which displays the list of storages present for
    * the page.
    *
@@ -574,23 +630,28 @@ StorageUI.prototype = {
   },
 
   /**
-   * Populates the selected entry from teh table in the sidebar for a more
+   * Populates the selected entry from the table in the sidebar for a more
    * detailed view.
    */
-  displayObjectSidebar: Task.async(function* () {
+  updateObjectSidebar: Task.async(function* () {
     let item = this.table.selectedRow;
-    if (!item) {
-      // Make sure that sidebar is hidden and return
-      this.sidebar.hidden = true;
-      return;
-    }
+    let value;
 
     // Get the string value (async action) and the update the UI synchronously.
-    let value;
-    if (item.name && item.valueActor) {
+    if (item && item.name && item.valueActor) {
       value = yield item.valueActor.string();
     }
 
+    // Bail if the selectedRow is no longer selected, the item doesn't exist or the state
+    // changed in another way during the above yield.
+    if (this.table.items.size === 0 ||
+        !item ||
+        !this.table.selectedRow ||
+        item.uniqueKey !== this.table.selectedRow.uniqueKey) {
+      this.hideSidebar();
+      return;
+    }
+
     // Start updating the UI. Everything is sync beyond this point.
     this.sidebar.hidden = false;
     this.view.empty();
@@ -616,6 +677,11 @@ StorageUI.prototype = {
         let otherProps = itemProps.filter(
           e => !["name", "value", "valueActor"].includes(e));
         for (let prop of otherProps) {
+          let column = this.table.columns.get(prop);
+          if (column && column.private) {
+            continue;
+          }
+
           let cookieProp = COOKIE_KEY_MAP[prop] || prop;
           // The pseduo property of HostOnly refers to converse of isDomain property
           rawObject[cookieProp] = (prop === "isDomain") ? !item[prop] : item[prop];
@@ -627,6 +693,11 @@ StorageUI.prototype = {
     } else {
       // Case when displaying IndexedDB db/object store properties.
       for (let key in item) {
+        let column = this.table.columns.get(key);
+        if (column && column.private) {
+          continue;
+        }
+
         mainScope.addItem(key, {}, true).setGrip(item[key]);
         this.parseItemValue(key, item[key]);
       }
@@ -751,11 +822,19 @@ StorageUI.prototype = {
    *        the storage tree
    */
   onHostSelect: function (event, item) {
+    if (!item) {
+      return;
+    }
     this.table.clear();
     this.hideSidebar();
     this.searchBox.value = "";
 
     let [type, host] = item;
+    this.table.host = host;
+    this.table.datatype = type;
+
+    this.updateToolbar();
+
     let names = null;
     if (!host) {
       return;
@@ -786,7 +865,9 @@ StorageUI.prototype = {
     let uniqueKey = null;
     let columns = {};
     let editableFields = [];
-    let fields = yield this.getCurrentActor().getFields(subtype);
+    let hiddenFields = [];
+    let privateFields = [];
+    let fields = yield this.getCurrentFront().getFields(subtype);
 
     fields.forEach(f => {
       if (!uniqueKey) {
@@ -797,10 +878,21 @@ StorageUI.prototype = {
         editableFields.push(f.name);
       }
 
+      if (f.hidden) {
+        hiddenFields.push(f.name);
+      }
+
+      if (f.private) {
+        privateFields.push(f.name);
+      }
+
       columns[f.name] = f.name;
       let columnName;
       try {
-        columnName = L10N.getStr("table.headers." + type + "." + f.name);
+        // Path key names for l10n in the case of a string change.
+        let name = f.name === "keyPath" ? "keyPath2" : f.name;
+
+        columnName = L10N.getStr("table.headers." + type + "." + name);
       } catch (e) {
         columnName = COOKIE_KEY_MAP[f.name];
       }
@@ -812,7 +904,7 @@ StorageUI.prototype = {
       }
     });
 
-    this.table.setColumns(columns, null, HIDDEN_COLUMNS);
+    this.table.setColumns(columns, null, hiddenFields, privateFields);
     this.hideSidebar();
 
     yield this.makeFieldsEditable(editableFields);
@@ -857,7 +949,7 @@ StorageUI.prototype = {
         case REASON.UPDATE:
           this.table.update(item);
           if (item == this.table.selectedRow && !this.sidebar.hidden) {
-            this.displayObjectSidebar();
+            this.updateObjectSidebar();
           }
           break;
       }
@@ -910,27 +1002,53 @@ StorageUI.prototype = {
   },
 
   /**
-   * Fires before a cell context menu with the "Delete" action is shown.
-   * If the currently selected storage object doesn't support removing items, prevent
-   * showing the menu.
+   * Fires before a cell context menu with the "Add" or "Delete" action is
+   * shown. If the currently selected storage object doesn't support adding or
+   * removing items, prevent showing the menu.
    */
   onTablePopupShowing: function (event) {
     let selectedItem = this.tree.selectedItem;
     let type = selectedItem[0];
-    let actor = this.getCurrentActor();
 
     // IndexedDB only supports removing items from object stores (level 4 of the tree)
-    if (!actor.removeItem || (type === "indexedDB" && selectedItem.length !== 4)) {
+    if ((!this.actorSupportsAddItem && !this.actorSupportsRemoveItem &&
+         type !== "cookies") ||
+        (type === "indexedDB" && selectedItem.length !== 4)) {
       event.preventDefault();
       return;
     }
 
     let rowId = this.table.contextMenuRowId;
     let data = this.table.items.get(rowId);
-    let name = addEllipsis(data[this.table.uniqueId]);
 
-    this._tablePopupDelete.setAttribute("label",
-      L10N.getFormatStr("storage.popupMenu.deleteLabel", name));
+    if (this.actorSupportsRemoveItem) {
+      let name = data[this.table.uniqueId];
+      let separatorRegex = new RegExp(SEPARATOR_GUID, "g");
+      let label = addEllipsis((name + "").replace(separatorRegex, "-"));
+
+      this._tablePopupDelete.hidden = false;
+      this._tablePopupDelete.setAttribute("label",
+        L10N.getFormatStr("storage.popupMenu.deleteLabel", label));
+    } else {
+      this._tablePopupDelete.hidden = true;
+    }
+
+    if (this.actorSupportsAddItem) {
+      this._tablePopupAddItem.hidden = false;
+      this._tablePopupAddItem.setAttribute("label",
+        L10N.getFormatStr("storage.popupMenu.addItemLabel"));
+    } else {
+      this._tablePopupAddItem.hidden = true;
+    }
+
+    let showDeleteAllSessionCookies = false;
+    if (this.actorSupportsRemoveAllSessionCookies) {
+      if (type === "cookies" && selectedItem.length === 2) {
+        showDeleteAllSessionCookies = true;
+      }
+    }
+
+    this._tablePopupDeleteAllSessionCookies.hidden = !showDeleteAllSessionCookies;
 
     if (type === "cookies") {
       let host = addEllipsis(data.host);
@@ -949,13 +1067,12 @@ StorageUI.prototype = {
 
     if (selectedItem) {
       let type = selectedItem[0];
-      let actor = this.storageTypes[type];
 
       // The delete all (aka clear) action is displayed for IndexedDB object stores
       // (level 4 of tree), for Cache objects (level 3) and for the whole host (level 2)
       // for other storage types (cookies, localStorage, ...).
       let showDeleteAll = false;
-      if (actor.removeAll) {
+      if (this.actorSupportsRemoveAll) {
         let level;
         if (type == "indexedDB") {
           level = 4;
@@ -972,6 +1089,17 @@ StorageUI.prototype = {
 
       this._treePopupDeleteAll.hidden = !showDeleteAll;
 
+      // The delete all session cookies action is displayed for cookie object stores
+      // (level 2 of tree)
+      let showDeleteAllSessionCookies = false;
+      if (this.actorSupportsRemoveAllSessionCookies) {
+        if (type === "cookies" && selectedItem.length === 2) {
+          showDeleteAllSessionCookies = true;
+        }
+      }
+
+      this._treePopupDeleteAllSessionCookies.hidden = !showDeleteAllSessionCookies;
+
       // The delete action is displayed for:
       // - IndexedDB databases (level 3 of the tree)
       // - Cache objects (level 3 of the tree)
@@ -993,31 +1121,54 @@ StorageUI.prototype = {
   },
 
   /**
+   * Handles adding an item from the storage
+   */
+  onAddItem: function () {
+    if (!this.tree.selectedItem) {
+      return;
+    }
+    let front = this.getCurrentFront();
+    let [, host] = this.tree.selectedItem;
+
+    // Prepare to scroll into view.
+    this.table.scrollIntoViewOnUpdate = true;
+    this.table.editBookmark = createGUID();
+    front.addItem(this.table.editBookmark, host);
+  },
+
+  /**
    * Handles removing an item from the storage
    */
   onRemoveItem: function () {
     let [, host, ...path] = this.tree.selectedItem;
-    let actor = this.getCurrentActor();
+    let front = this.getCurrentFront();
     let rowId = this.table.contextMenuRowId;
     let data = this.table.items.get(rowId);
     let name = data[this.table.uniqueId];
     if (path.length > 0) {
       name = JSON.stringify([...path, name]);
     }
-    actor.removeItem(host, name);
+    front.removeItem(host, name);
   },
 
   /**
    * Handles removing all items from the storage
    */
   onRemoveAll: function () {
-    // Cannot use this.currentActor() if the handler is called from the
-    // tree context menu: it returns correct value only after the table
-    // data from server are successfully fetched (and that's async).
-    let [type, host, ...path] = this.tree.selectedItem;
-    let actor = this.storageTypes[type];
+    let [, host, ...path] = this.tree.selectedItem;
+    let front = this.getCurrentFront();
     let name = path.length > 0 ? JSON.stringify(path) : undefined;
-    actor.removeAll(host, name);
+    front.removeAll(host, name);
+  },
+
+  /**
+   * Handles removing all session cookies from the storage
+   */
+  onRemoveAllSessionCookies: function () {
+    let [, host, ...path] = this.tree.selectedItem;
+    let front = this.getCurrentFront();
+    let name = path.length > 0 ? JSON.stringify(path) : undefined;
+    front.removeAllSessionCookies(host, name);
   },
 
   /**
@@ -1026,11 +1177,11 @@ StorageUI.prototype = {
    */
   onRemoveAllFrom: function () {
     let [, host] = this.tree.selectedItem;
-    let actor = this.getCurrentActor();
+    let front = this.getCurrentFront();
     let rowId = this.table.contextMenuRowId;
     let data = this.table.items.get(rowId);
 
-    actor.removeAll(host, data.host);
+    front.removeAll(host, data.host);
   },
 
   onRemoveTreeItem: function () {
@@ -1044,9 +1195,9 @@ StorageUI.prototype = {
   },
 
   removeDatabase: function (host, dbName) {
-    let actor = this.storageTypes.indexedDB;
+    let front = this.getCurrentFront();
 
-    actor.removeDatabase(host, dbName).then(result => {
+    front.removeDatabase(host, dbName).then(result => {
       if (result.blocked) {
         let notificationBox = this._toolbox.getNotificationBox();
         notificationBox.appendNotification(
@@ -1066,8 +1217,17 @@ StorageUI.prototype = {
   },
 
   removeCache: function (host, cacheName) {
-    let actor = this.storageTypes.Cache;
+    let front = this.getCurrentFront();
 
-    actor.removeItem(host, JSON.stringify([ cacheName ]));
+    front.removeItem(host, JSON.stringify([ cacheName ]));
   },
 };
+
+// Helper Functions
+
+function createGUID() {
+  return "{cccccccc-cccc-4ccc-yccc-cccccccccccc}".replace(/[cy]/g, c => {
+    let r = Math.random() * 16 | 0, v = c == "c" ? r : (r & 0x3 | 0x8);
+    return v.toString(16);
+  });
+}
diff --git a/devtools/client/themes/storage.css b/devtools/client/themes/storage.css
index 1e611f842..1d4da9bd6 100644
--- a/devtools/client/themes/storage.css
+++ b/devtools/client/themes/storage.css
@@ -32,6 +32,20 @@
   min-width: 250px;
 }
 
+#storage-toolbar .add-button::before {
+  margin: 0;
+  background-image: url("chrome://devtools/skin/images/add.svg");
+  -moz-user-focus: normal;
+}
+
+#storage-toolbar .devtools-button {
+  min-width: unset;
+}
+
+#storage-toolbar .devtools-button hbox {
+  display: none;
+}
+
 /* Responsive sidebar */
 @media (max-width: 700px) {
   #storage-tree,