From 0ddd00f1959c78ce37c14fef3c83401408fca3bf Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Tue, 25 Feb 2020 15:07:00 -0500
Subject: Issue #439 - Remove tests from toolkit/

---
 toolkit/components/thumbnails/moz.build            |   4 -
 toolkit/components/thumbnails/test/.eslintrc.js    |   8 -
 .../components/thumbnails/test/authenticate.sjs    | 220 -------------
 .../components/thumbnails/test/background_red.html |   3 -
 .../thumbnails/test/background_red_redirect.sjs    |  10 -
 .../thumbnails/test/background_red_scroll.html     |   3 -
 toolkit/components/thumbnails/test/browser.ini     |  38 ---
 .../test/browser_thumbnails_bg_bad_url.js          |  23 --
 .../thumbnails/test/browser_thumbnails_bg_basic.js |  20 --
 .../test/browser_thumbnails_bg_captureIfMissing.js |  35 --
 .../browser_thumbnails_bg_crash_during_capture.js  |  49 ---
 .../test/browser_thumbnails_bg_crash_while_idle.js |  38 ---
 .../test/browser_thumbnails_bg_destroy_browser.js  |  33 --
 .../test/browser_thumbnails_bg_no_alert.js         |  13 -
 .../test/browser_thumbnails_bg_no_auth_prompt.js   |  21 --
 .../test/browser_thumbnails_bg_no_cookies_sent.js  |  40 ---
 .../browser_thumbnails_bg_no_cookies_stored.js     |  32 --
 .../test/browser_thumbnails_bg_no_duplicates.js    |  31 --
 .../test/browser_thumbnails_bg_queueing.js         |  38 ---
 .../test/browser_thumbnails_bg_redirect.js         |  39 ---
 .../test/browser_thumbnails_bg_timeout.js          |  24 --
 .../test/browser_thumbnails_bug726727.js           |  19 --
 .../test/browser_thumbnails_bug727765.js           |  29 --
 .../test/browser_thumbnails_bug818225.js           |  42 ---
 .../thumbnails/test/browser_thumbnails_capture.js  |  20 --
 .../test/browser_thumbnails_expiration.js          |  97 ------
 .../thumbnails/test/browser_thumbnails_privacy.js  |  74 -----
 .../thumbnails/test/browser_thumbnails_redirect.js |  30 --
 .../thumbnails/test/browser_thumbnails_storage.js  | 112 -------
 .../test/browser_thumbnails_storage_migrate3.js    | 102 ------
 .../thumbnails/test/browser_thumbnails_update.js   | 169 ----------
 toolkit/components/thumbnails/test/head.js         | 356 ---------------------
 .../thumbnails/test/privacy_cache_control.sjs      |  16 -
 .../thumbnails/test/test_thumbnails_interfaces.js  |  25 --
 .../thumbnails/test/thumbnails_background.sjs      |  79 -----
 .../test/thumbnails_crash_content_helper.js        |  31 --
 .../thumbnails/test/thumbnails_update.sjs          |  56 ----
 toolkit/components/thumbnails/test/xpcshell.ini    |   6 -
 38 files changed, 1985 deletions(-)
 delete mode 100644 toolkit/components/thumbnails/test/.eslintrc.js
 delete mode 100644 toolkit/components/thumbnails/test/authenticate.sjs
 delete mode 100644 toolkit/components/thumbnails/test/background_red.html
 delete mode 100644 toolkit/components/thumbnails/test/background_red_redirect.sjs
 delete mode 100644 toolkit/components/thumbnails/test/background_red_scroll.html
 delete mode 100644 toolkit/components/thumbnails/test/browser.ini
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_bad_url.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_basic.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_captureIfMissing.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_crash_during_capture.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_crash_while_idle.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_destroy_browser.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_no_alert.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_no_auth_prompt.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_no_cookies_sent.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_no_cookies_stored.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_no_duplicates.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_queueing.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_redirect.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bg_timeout.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bug726727.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bug727765.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_bug818225.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_capture.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_expiration.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_privacy.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_redirect.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_storage.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_storage_migrate3.js
 delete mode 100644 toolkit/components/thumbnails/test/browser_thumbnails_update.js
 delete mode 100644 toolkit/components/thumbnails/test/head.js
 delete mode 100644 toolkit/components/thumbnails/test/privacy_cache_control.sjs
 delete mode 100644 toolkit/components/thumbnails/test/test_thumbnails_interfaces.js
 delete mode 100644 toolkit/components/thumbnails/test/thumbnails_background.sjs
 delete mode 100644 toolkit/components/thumbnails/test/thumbnails_crash_content_helper.js
 delete mode 100644 toolkit/components/thumbnails/test/thumbnails_update.sjs
 delete mode 100644 toolkit/components/thumbnails/test/xpcshell.ini

(limited to 'toolkit/components/thumbnails')

diff --git a/toolkit/components/thumbnails/moz.build b/toolkit/components/thumbnails/moz.build
index bd7c1d344..bd88532c0 100644
--- a/toolkit/components/thumbnails/moz.build
+++ b/toolkit/components/thumbnails/moz.build
@@ -4,9 +4,6 @@
 # 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/.
 
-BROWSER_CHROME_MANIFESTS += ['test/browser.ini']
-XPCSHELL_TESTS_MANIFESTS += ['test/xpcshell.ini']
-
 EXTRA_COMPONENTS += [
     'BrowserPageThumbs.manifest',
     'PageThumbsProtocol.js',
@@ -22,5 +19,4 @@ EXTRA_PP_JS_MODULES += [
     'PageThumbUtils.jsm',
 ]
 
-
 JAR_MANIFESTS += ['jar.mn']
diff --git a/toolkit/components/thumbnails/test/.eslintrc.js b/toolkit/components/thumbnails/test/.eslintrc.js
deleted file mode 100644
index f6f8d62c2..000000000
--- a/toolkit/components/thumbnails/test/.eslintrc.js
+++ /dev/null
@@ -1,8 +0,0 @@
-"use strict";
-
-module.exports = {
-  "extends": [
-    "../../../../testing/mochitest/browser.eslintrc.js",
-    "../../../../testing/xpcshell/xpcshell.eslintrc.js"
-  ]
-};
diff --git a/toolkit/components/thumbnails/test/authenticate.sjs b/toolkit/components/thumbnails/test/authenticate.sjs
deleted file mode 100644
index 58da655cf..000000000
--- a/toolkit/components/thumbnails/test/authenticate.sjs
+++ /dev/null
@@ -1,220 +0,0 @@
-function handleRequest(request, response)
-{
-  try {
-    reallyHandleRequest(request, response);
-  } catch (e) {
-    response.setStatusLine("1.0", 200, "AlmostOK");
-    response.write("Error handling request: " + e);
-  }
-}
-
-
-function reallyHandleRequest(request, response) {
-  var match;
-  var requestAuth = true, requestProxyAuth = true;
-
-  // Allow the caller to drive how authentication is processed via the query.
-  // Eg, http://localhost:8888/authenticate.sjs?user=foo&realm=bar
-  // The extra ? allows the user/pass/realm checks to succeed if the name is
-  // at the beginning of the query string.
-  var query = "?" + request.queryString;
-
-  var expected_user = "", expected_pass = "", realm = "mochitest";
-  var proxy_expected_user = "", proxy_expected_pass = "", proxy_realm = "mochi-proxy";
-  var huge = false, plugin = false, anonymous = false;
-  var authHeaderCount = 1;
-  // user=xxx
-  match = /[^_]user=([^&]*)/.exec(query);
-  if (match)
-    expected_user = match[1];
-
-  // pass=xxx
-  match = /[^_]pass=([^&]*)/.exec(query);
-  if (match)
-    expected_pass = match[1];
-
-  // realm=xxx
-  match = /[^_]realm=([^&]*)/.exec(query);
-  if (match)
-    realm = match[1];
-
-  // proxy_user=xxx
-  match = /proxy_user=([^&]*)/.exec(query);
-  if (match)
-    proxy_expected_user = match[1];
-
-  // proxy_pass=xxx
-  match = /proxy_pass=([^&]*)/.exec(query);
-  if (match)
-    proxy_expected_pass = match[1];
-
-  // proxy_realm=xxx
-  match = /proxy_realm=([^&]*)/.exec(query);
-  if (match)
-    proxy_realm = match[1];
-
-  // huge=1
-  match = /huge=1/.exec(query);
-  if (match)
-    huge = true;
-
-  // plugin=1
-  match = /plugin=1/.exec(query);
-  if (match)
-    plugin = true;
-
-  // multiple=1
-  match = /multiple=([^&]*)/.exec(query);
-  if (match)
-    authHeaderCount = match[1]+0;
-
-  // anonymous=1
-  match = /anonymous=1/.exec(query);
-  if (match)
-    anonymous = true;
-
-  // Look for an authentication header, if any, in the request.
-  //
-  // EG: Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==
-  // 
-  // This test only supports Basic auth. The value sent by the client is
-  // "username:password", obscured with base64 encoding.
-
-  var actual_user = "", actual_pass = "", authHeader, authPresent = false;
-  if (request.hasHeader("Authorization")) {
-    authPresent = true;
-    authHeader = request.getHeader("Authorization");
-    match = /Basic (.+)/.exec(authHeader);
-    if (match.length != 2)
-        throw "Couldn't parse auth header: " + authHeader;
-
-    var userpass = base64ToString(match[1]); // no atob() :-(
-    match = /(.*):(.*)/.exec(userpass);
-    if (match.length != 3)
-        throw "Couldn't decode auth header: " + userpass;
-    actual_user = match[1];
-    actual_pass = match[2];
-  } 
-
-  var proxy_actual_user = "", proxy_actual_pass = "";
-  if (request.hasHeader("Proxy-Authorization")) {
-    authHeader = request.getHeader("Proxy-Authorization");
-    match = /Basic (.+)/.exec(authHeader);
-    if (match.length != 2)
-        throw "Couldn't parse auth header: " + authHeader;
-
-    var userpass = base64ToString(match[1]); // no atob() :-(
-    match = /(.*):(.*)/.exec(userpass);
-    if (match.length != 3)
-        throw "Couldn't decode auth header: " + userpass;
-    proxy_actual_user = match[1];
-    proxy_actual_pass = match[2];
-  }
-
-  // Don't request authentication if the credentials we got were what we
-  // expected.
-  if (expected_user == actual_user &&
-    expected_pass == actual_pass) {
-    requestAuth = false;
-  }
-  if (proxy_expected_user == proxy_actual_user &&
-    proxy_expected_pass == proxy_actual_pass) {
-    requestProxyAuth = false;
-  }
-
-  if (anonymous) {
-    if (authPresent) {
-      response.setStatusLine("1.0", 400, "Unexpected authorization header found");
-    } else {
-      response.setStatusLine("1.0", 200, "Authorization header not found");
-    }
-  } else {
-    if (requestProxyAuth) {
-      response.setStatusLine("1.0", 407, "Proxy authentication required");
-      for (i = 0; i < authHeaderCount; ++i)
-        response.setHeader("Proxy-Authenticate", "basic realm=\"" + proxy_realm + "\"", true);
-    } else if (requestAuth) {
-      response.setStatusLine("1.0", 401, "Authentication required");
-      for (i = 0; i < authHeaderCount; ++i)
-        response.setHeader("WWW-Authenticate", "basic realm=\"" + realm + "\"", true);
-    } else {
-      response.setStatusLine("1.0", 200, "OK");
-    }
-  }
-
-  response.setHeader("Content-Type", "application/xhtml+xml", false);
-  response.write("<html xmlns='http://www.w3.org/1999/xhtml'>");
-  response.write("<p>Login: <span id='ok'>" + (requestAuth ? "FAIL" : "PASS") + "</span></p>\n");
-  response.write("<p>Proxy: <span id='proxy'>" + (requestProxyAuth ? "FAIL" : "PASS") + "</span></p>\n");
-  response.write("<p>Auth: <span id='auth'>" + authHeader + "</span></p>\n");
-  response.write("<p>User: <span id='user'>" + actual_user + "</span></p>\n");
-  response.write("<p>Pass: <span id='pass'>" + actual_pass + "</span></p>\n");
-
-  if (huge) {
-    response.write("<div style='display: none'>");
-    for (i = 0; i < 100000; i++) {
-      response.write("123456789\n");
-    }
-    response.write("</div>");
-    response.write("<span id='footnote'>This is a footnote after the huge content fill</span>");
-  }
-
-  if (plugin) {
-    response.write("<embed id='embedtest' style='width: 400px; height: 100px;' " + 
-           "type='application/x-test'></embed>\n");
-  }
-
-  response.write("</html>");
-}
-
-
-// base64 decoder
-//
-// Yoinked from extensions/xml-rpc/src/nsXmlRpcClient.js because btoa()
-// doesn't seem to exist. :-(
-/* Convert Base64 data to a string */
-const toBinaryTable = [
-    -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
-    -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
-    -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63,
-    52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1,
-    -1, 0, 1, 2,  3, 4, 5, 6,  7, 8, 9,10, 11,12,13,14,
-    15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1,
-    -1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40,
-    41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1
-];
-const base64Pad = '=';
-
-function base64ToString(data) {
-
-    var result = '';
-    var leftbits = 0; // number of bits decoded, but yet to be appended
-    var leftdata = 0; // bits decoded, but yet to be appended
-
-    // Convert one by one.
-    for (var i = 0; i < data.length; i++) {
-        var c = toBinaryTable[data.charCodeAt(i) & 0x7f];
-        var padding = (data[i] == base64Pad);
-        // Skip illegal characters and whitespace
-        if (c == -1) continue;
-        
-        // Collect data into leftdata, update bitcount
-        leftdata = (leftdata << 6) | c;
-        leftbits += 6;
-
-        // If we have 8 or more bits, append 8 bits to the result
-        if (leftbits >= 8) {
-            leftbits -= 8;
-            // Append if not padding.
-            if (!padding)
-                result += String.fromCharCode((leftdata >> leftbits) & 0xff);
-            leftdata &= (1 << leftbits) - 1;
-        }
-    }
-
-    // If there are any bits left, the base64 string was corrupted
-    if (leftbits)
-        throw Components.Exception('Corrupted base64 string');
-
-    return result;
-}
diff --git a/toolkit/components/thumbnails/test/background_red.html b/toolkit/components/thumbnails/test/background_red.html
deleted file mode 100644
index 95159dd29..000000000
--- a/toolkit/components/thumbnails/test/background_red.html
+++ /dev/null
@@ -1,3 +0,0 @@
-<html>
-  <body bgcolor=ff0000></body>
-</html>
diff --git a/toolkit/components/thumbnails/test/background_red_redirect.sjs b/toolkit/components/thumbnails/test/background_red_redirect.sjs
deleted file mode 100644
index 5f0852e19..000000000
--- a/toolkit/components/thumbnails/test/background_red_redirect.sjs
+++ /dev/null
@@ -1,10 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function handleRequest(aRequest, aResponse) {
- // Set HTTP Status.
- aResponse.setStatusLine(aRequest.httpVersion, 301, "Moved Permanently");
-
- // Set redirect URI.
- aResponse.setHeader("Location", "http://mochi.test:8888/browser/toolkit/components/thumbnails/test/background_red.html");
-}
diff --git a/toolkit/components/thumbnails/test/background_red_scroll.html b/toolkit/components/thumbnails/test/background_red_scroll.html
deleted file mode 100644
index 1e30bd3c6..000000000
--- a/toolkit/components/thumbnails/test/background_red_scroll.html
+++ /dev/null
@@ -1,3 +0,0 @@
-<html>
-  <body bgcolor=ff0000 style="overflow: scroll;"></body>
-</html>
diff --git a/toolkit/components/thumbnails/test/browser.ini b/toolkit/components/thumbnails/test/browser.ini
deleted file mode 100644
index 3b87815ff..000000000
--- a/toolkit/components/thumbnails/test/browser.ini
+++ /dev/null
@@ -1,38 +0,0 @@
-[DEFAULT]
-support-files =
-  authenticate.sjs
-  background_red.html
-  background_red_redirect.sjs
-  background_red_scroll.html
-  head.js
-  privacy_cache_control.sjs
-  thumbnails_background.sjs
-  thumbnails_crash_content_helper.js
-  thumbnails_update.sjs
-
-[browser_thumbnails_bg_bad_url.js]
-[browser_thumbnails_bg_crash_during_capture.js]
-skip-if = !crashreporter
-[browser_thumbnails_bg_crash_while_idle.js]
-skip-if = !crashreporter
-[browser_thumbnails_bg_basic.js]
-[browser_thumbnails_bg_queueing.js]
-[browser_thumbnails_bg_timeout.js]
-[browser_thumbnails_bg_redirect.js]
-[browser_thumbnails_bg_destroy_browser.js]
-[browser_thumbnails_bg_no_cookies_sent.js]
-[browser_thumbnails_bg_no_cookies_stored.js]
-[browser_thumbnails_bg_no_auth_prompt.js]
-[browser_thumbnails_bg_no_alert.js]
-[browser_thumbnails_bg_no_duplicates.js]
-[browser_thumbnails_bg_captureIfMissing.js]
-[browser_thumbnails_bug726727.js]
-[browser_thumbnails_bug727765.js]
-[browser_thumbnails_bug818225.js]
-[browser_thumbnails_capture.js]
-[browser_thumbnails_expiration.js]
-[browser_thumbnails_privacy.js]
-[browser_thumbnails_redirect.js]
-[browser_thumbnails_storage.js]
-[browser_thumbnails_storage_migrate3.js]
-[browser_thumbnails_update.js]
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_bad_url.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_bad_url.js
deleted file mode 100644
index df8ef8d96..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_bad_url.js
+++ /dev/null
@@ -1,23 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function* runTests() {
-  let url = "invalid-protocol://ffggfsdfsdf/";
-  ok(!thumbnailExists(url), "Thumbnail should not be cached already.");
-  let numCalls = 0;
-  BackgroundPageThumbs.capture(url, {
-    onDone: function onDone(capturedURL) {
-      is(capturedURL, url, "Captured URL should be URL passed to capture");
-      is(numCalls++, 0, "onDone should be called only once");
-      ok(!thumbnailExists(url),
-         "Capture failed so thumbnail should not be cached");
-      next();
-    },
-  });
-  yield new Promise(resolve => {
-    bgAddPageThumbObserver(url).catch(function(err) {
-      ok(true, "page-thumbnail error produced");
-      resolve();
-    });
-  });
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_basic.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_basic.js
deleted file mode 100644
index 027e0bfb7..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_basic.js
+++ /dev/null
@@ -1,20 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function* runTests() {
-  let url = "http://www.example.com/";
-  ok(!thumbnailExists(url), "Thumbnail should not be cached yet.");
-
-  let capturePromise = new Promise(resolve => {
-    bgAddPageThumbObserver(url).then(() => {
-      ok(true, `page-thumbnail created for ${url}`);
-      resolve();
-    });
-  });
-  let capturedURL = yield bgCapture(url);
-  is(capturedURL, url, "Captured URL should be URL passed to capture");
-  yield capturePromise;
-
-  ok(thumbnailExists(url), "Thumbnail should be cached after capture");
-  removeThumbnail(url);
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_captureIfMissing.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_captureIfMissing.js
deleted file mode 100644
index cd1f1c5c2..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_captureIfMissing.js
+++ /dev/null
@@ -1,35 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function* runTests() {
-  let numNotifications = 0;
-  function observe(subject, topic, data) {
-    is(topic, "page-thumbnail:create", "got expected topic");
-    numNotifications += 1;
-  }
-
-  Services.obs.addObserver(observe, "page-thumbnail:create", false);
-
-  let url = "http://example.com/";
-  let file = thumbnailFile(url);
-  ok(!file.exists(), "Thumbnail file should not already exist.");
-
-  let capturedURL = yield bgCaptureIfMissing(url);
-  is(numNotifications, 1, "got notification of item being created.");
-  is(capturedURL, url, "Captured URL should be URL passed to capture");
-  ok(file.exists(url), "Thumbnail should be cached after capture");
-
-  let past = Date.now() - 1000000000;
-  let pastFudge = past + 30000;
-  file.lastModifiedTime = past;
-  ok(file.lastModifiedTime < pastFudge, "Last modified time should stick!");
-  capturedURL = yield bgCaptureIfMissing(url);
-  is(numNotifications, 1, "still only 1 notification of item being created.");
-  is(capturedURL, url, "Captured URL should be URL passed to second capture");
-  ok(file.exists(), "Thumbnail should remain cached after second capture");
-  ok(file.lastModifiedTime < pastFudge,
-     "File should not have been overwritten");
-
-  file.remove(false);
-  Services.obs.removeObserver(observe, "page-thumbnail:create");
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_crash_during_capture.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_crash_during_capture.js
deleted file mode 100644
index db67a04a8..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_crash_during_capture.js
+++ /dev/null
@@ -1,49 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function* runTests() {
-  let crashObserver = bgAddCrashObserver();
-
-  // make a good capture first - this ensures we have the <browser>
-  let goodUrl = bgTestPageURL();
-  yield bgCapture(goodUrl);
-  ok(thumbnailExists(goodUrl), "Thumbnail should be cached after capture");
-  removeThumbnail(goodUrl);
-
-  // inject our content script.
-  let mm = bgInjectCrashContentScript();
-
-  // queue up 2 captures - the first has a wait, so this is the one that
-  // will die.  The second one should immediately capture after the crash.
-  let waitUrl = bgTestPageURL({ wait: 30000 });
-  let sawWaitUrlCapture = false;
-  bgCapture(waitUrl, { onDone: () => {
-    sawWaitUrlCapture = true;
-    ok(!thumbnailExists(waitUrl), "Thumbnail should not have been saved due to the crash");
-  }});
-  bgCapture(goodUrl, { onDone: () => {
-    ok(sawWaitUrlCapture, "waitUrl capture should have finished first");
-    ok(thumbnailExists(goodUrl), "We should have recovered and completed the 2nd capture after the crash");
-    removeThumbnail(goodUrl);
-    // Test done.
-    ok(crashObserver.crashed, "Saw a crash from this test");
-    next();
-  }});
-  let crashPromise = new Promise(resolve => {
-    bgAddPageThumbObserver(waitUrl).catch(function(err) {
-      ok(true, `page-thumbnail error thrown for ${waitUrl}`);
-      resolve();
-    });
-  });
-  let capturePromise = new Promise(resolve => {
-    bgAddPageThumbObserver(goodUrl).then(() => {
-      ok(true, `page-thumbnail created for ${goodUrl}`);
-      resolve();
-    });
-  });
-
-  info("Crashing the thumbnail content process.");
-  mm.sendAsyncMessage("thumbnails-test:crash");
-  yield crashPromise;
-  yield capturePromise;
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_crash_while_idle.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_crash_while_idle.js
deleted file mode 100644
index 8ff6a3509..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_crash_while_idle.js
+++ /dev/null
@@ -1,38 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function* runTests() {
-  let crashObserver = bgAddCrashObserver();
-
-  // make a good capture first - this ensures we have the <browser>
-  let goodUrl = bgTestPageURL();
-  yield bgCapture(goodUrl);
-  ok(thumbnailExists(goodUrl), "Thumbnail should be cached after capture");
-  removeThumbnail(goodUrl);
-
-  // inject our content script.
-  let mm = bgInjectCrashContentScript();
-
-  // the observer for the crashing process is basically async, so it's hard
-  // to know when the <browser> has actually seen it.  Easist is to just add
-  // our own observer.
-  Services.obs.addObserver(function onCrash() {
-    Services.obs.removeObserver(onCrash, "oop-frameloader-crashed");
-    // spin the event loop to ensure the BPT observer was called.
-    executeSoon(function() {
-      // Now queue another capture and ensure it recovers.
-      bgCapture(goodUrl, { onDone: () => {
-        ok(thumbnailExists(goodUrl), "We should have recovered and handled new capture requests");
-        removeThumbnail(goodUrl);
-        // Test done.
-        ok(crashObserver.crashed, "Saw a crash from this test");
-        next();
-      }});
-    });
-  }, "oop-frameloader-crashed", false);
-
-  // Nothing is pending - crash the process.
-  info("Crashing the thumbnail content process.");
-  mm.sendAsyncMessage("thumbnails-test:crash");
-  yield true;
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_destroy_browser.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_destroy_browser.js
deleted file mode 100644
index b83fdf583..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_destroy_browser.js
+++ /dev/null
@@ -1,33 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function* runTests() {
-  yield SpecialPowers.pushPrefEnv({
-    set: [["dom.ipc.processCount", 1]]
-  });
-
-  let url1 = "http://example.com/1";
-  ok(!thumbnailExists(url1), "First file should not exist yet.");
-
-  let url2 = "http://example.com/2";
-  ok(!thumbnailExists(url2), "Second file should not exist yet.");
-
-  let defaultTimeout = BackgroundPageThumbs._destroyBrowserTimeout;
-  BackgroundPageThumbs._destroyBrowserTimeout = 1000;
-
-  yield bgCapture(url1);
-  ok(thumbnailExists(url1), "First file should exist after capture.");
-  removeThumbnail(url1);
-
-  yield wait(2000);
-  is(BackgroundPageThumbs._thumbBrowser, undefined,
-     "Thumb browser should be destroyed after timeout.");
-  BackgroundPageThumbs._destroyBrowserTimeout = defaultTimeout;
-
-  yield bgCapture(url2);
-  ok(thumbnailExists(url2), "Second file should exist after capture.");
-  removeThumbnail(url2);
-
-  isnot(BackgroundPageThumbs._thumbBrowser, undefined,
-        "Thumb browser should exist immediately after capture.");
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_alert.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_alert.js
deleted file mode 100644
index 5d6bd81f8..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_alert.js
+++ /dev/null
@@ -1,13 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function* runTests() {
-  let url = "data:text/html,<script>try { alert('yo!'); } catch (e) {}</script>";
-  ok(!thumbnailExists(url), "Thumbnail file should not already exist.");
-
-  let capturedURL = yield bgCapture(url);
-  is(capturedURL, url, "Captured URL should be URL passed to capture.");
-  ok(thumbnailExists(url),
-     "Thumbnail file should exist even though it alerted.");
-  removeThumbnail(url);
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_auth_prompt.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_auth_prompt.js
deleted file mode 100644
index 0eb9df7a9..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_auth_prompt.js
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-// the following tests attempt to display modal dialogs.  The test just
-// relies on the fact that if the dialog was displayed the test will hang
-// and timeout.  IOW - the tests would pass if the dialogs appear and are
-// manually closed by the user - so don't do that :)  (obviously there is
-// noone available to do that when run via tbpl etc, so this should be safe,
-// and it's tricky to use the window-watcher to check a window *does not*
-// appear - how long should the watcher be active before assuming it's not
-// going to appear?)
-function* runTests() {
-  let url = "http://mochi.test:8888/browser/toolkit/components/thumbnails/test/authenticate.sjs?user=anyone";
-  ok(!thumbnailExists(url), "Thumbnail file should not already exist.");
-
-  let capturedURL = yield bgCapture(url);
-  is(capturedURL, url, "Captured URL should be URL passed to capture.");
-  ok(thumbnailExists(url),
-     "Thumbnail file should exist even though it requires auth.");
-  removeThumbnail(url);
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_cookies_sent.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_cookies_sent.js
deleted file mode 100644
index afbedb382..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_cookies_sent.js
+++ /dev/null
@@ -1,40 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function* runTests() {
-  // Visit the test page in the browser and tell it to set a cookie.
-  let url = bgTestPageURL({ setGreenCookie: true });
-  let tab = yield BrowserTestUtils.openNewForegroundTab(gBrowser, url);
-  let browser = tab.linkedBrowser;
-
-  // The root element of the page shouldn't be green yet.
-  yield ContentTask.spawn(browser, null, function () {
-    Assert.notEqual(content.document.documentElement.style.backgroundColor,
-                    "rgb(0, 255, 0)",
-                    "The page shouldn't be green yet.");
-  });
-
-  // Cookie should be set now.  Reload the page to verify.  Its root element
-  // will be green if the cookie's set.
-  browser.reload();
-  yield BrowserTestUtils.browserLoaded(browser);
-  yield ContentTask.spawn(browser, null, function () {
-    Assert.equal(content.document.documentElement.style.backgroundColor,
-                 "rgb(0, 255, 0)",
-                 "The page should be green now.");
-  });
-
-  // Capture the page.  Get the image data of the capture and verify it's not
-  // green.  (Checking only the first pixel suffices.)
-  yield bgCapture(url);
-  ok(thumbnailExists(url), "Thumbnail file should exist after capture.");
-
-  retrieveImageDataForURL(url, function ([r, g, b]) {
-    isnot([r, g, b].toString(), [0, 255, 0].toString(),
-          "The captured page should not be green.");
-    gBrowser.removeTab(tab);
-    removeThumbnail(url);
-    next();
-  });
-  yield true;
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_cookies_stored.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_cookies_stored.js
deleted file mode 100644
index 90a1a890b..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_cookies_stored.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-// check that if a page captured in the background attempts to set a cookie,
-// that cookie is not saved for subsequent requests.
-function* runTests() {
-  yield SpecialPowers.pushPrefEnv({
-    set: [["privacy.usercontext.about_newtab_segregation.enabled", true]]
-  });
-  let url = bgTestPageURL({
-    setRedCookie: true,
-    iframe: bgTestPageURL({ setRedCookie: true}),
-    xhr: bgTestPageURL({ setRedCookie: true})
-  });
-  ok(!thumbnailExists(url), "Thumbnail file should not exist before capture.");
-  yield bgCapture(url);
-  ok(thumbnailExists(url), "Thumbnail file should exist after capture.");
-  removeThumbnail(url);
-  // now load it up in a browser - it should *not* be red, otherwise the
-  // cookie above was saved.
-  let tab = yield BrowserTestUtils.openNewForegroundTab(gBrowser, url);
-  let browser = tab.linkedBrowser;
-
-  // The root element of the page shouldn't be red.
-  yield ContentTask.spawn(browser, null, function() {
-    Assert.notEqual(content.document.documentElement.style.backgroundColor,
-                    "rgb(255, 0, 0)",
-                    "The page shouldn't be red.");
-  });
-
-  gBrowser.removeTab(tab);
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_duplicates.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_duplicates.js
deleted file mode 100644
index 31b504335..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_no_duplicates.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function* runTests() {
-  let url = "http://example.com/1";
-  ok(!thumbnailExists(url), "Thumbnail file should not already exist.");
-  let numCallbacks = 0;
-  let doneCallback = function(doneUrl) {
-    is(doneUrl, url, "called back with correct url");
-    numCallbacks += 1;
-    // We will delete the file after the first callback, then check it
-    // still doesn't exist on the second callback, which should give us
-    // confidence that we didn't end up with 2 different captures happening
-    // for the same url...
-    if (numCallbacks == 1) {
-      ok(thumbnailExists(url), "Thumbnail file should now exist.");
-      removeThumbnail(url);
-      return;
-    }
-    if (numCallbacks == 2) {
-      ok(!thumbnailExists(url), "Thumbnail file should still be deleted.");
-      // and that's all we expect, so we are done...
-      next();
-      return;
-    }
-    ok(false, "only expecting 2 callbacks");
-  }
-  BackgroundPageThumbs.capture(url, {onDone: doneCallback});
-  BackgroundPageThumbs.capture(url, {onDone: doneCallback});
-  yield true;
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_queueing.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_queueing.js
deleted file mode 100644
index 1426f6f4e..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_queueing.js
+++ /dev/null
@@ -1,38 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function* runTests() {
-  let urls = [
-    "http://www.example.com/0",
-    "http://www.example.com/1",
-    // an item that will timeout to ensure timeouts work and we resume.
-    bgTestPageURL({ wait: 2002 }),
-    "http://www.example.com/2",
-  ];
-  dontExpireThumbnailURLs(urls);
-  urls.forEach(url => {
-    ok(!thumbnailExists(url), "Thumbnail should not exist yet: " + url);
-    let isTimeoutTest = url.indexOf("wait") >= 0;
-    BackgroundPageThumbs.capture(url, {
-      timeout: isTimeoutTest ? 100 : 30000,
-      onDone: function onDone(capturedURL) {
-        ok(urls.length > 0, "onDone called, so URLs should still remain");
-        is(capturedURL, urls.shift(),
-           "Captured URL should be currently expected URL (i.e., " +
-           "capture() callbacks should be called in the correct order)");
-        if (isTimeoutTest) {
-          ok(!thumbnailExists(capturedURL),
-             "Thumbnail shouldn't exist for timed out capture");
-        } else {
-          ok(thumbnailExists(capturedURL),
-             "Thumbnail should be cached after capture");
-          removeThumbnail(url);
-        }
-        if (!urls.length)
-          // Test done.
-          next();
-      },
-    });
-  });
-  yield true;
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_redirect.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_redirect.js
deleted file mode 100644
index baa1b6d68..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_redirect.js
+++ /dev/null
@@ -1,39 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function* runTests() {
-  let finalURL = "http://example.com/redirected";
-  let originalURL = bgTestPageURL({ redirect: finalURL });
-
-  ok(!thumbnailExists(originalURL),
-     "Thumbnail file for original URL should not exist yet.");
-  ok(!thumbnailExists(finalURL),
-     "Thumbnail file for final URL should not exist yet.");
-
-  let captureOriginalPromise = new Promise(resolve => {
-    bgAddPageThumbObserver(originalURL).then(() => {
-      ok(true, `page-thumbnail created for ${originalURL}`);
-      resolve();
-    });
-  });
-
-  let captureFinalPromise = new Promise(resolve => {
-    bgAddPageThumbObserver(finalURL).then(() => {
-      ok(true, `page-thumbnail created for ${finalURL}`);
-      resolve();
-    });
-  });
-
-  let capturedURL = yield bgCapture(originalURL);
-  is(capturedURL, originalURL,
-     "Captured URL should be URL passed to capture");
-  yield captureOriginalPromise;
-  yield captureFinalPromise;
-  ok(thumbnailExists(originalURL),
-     "Thumbnail for original URL should be cached");
-  ok(thumbnailExists(finalURL),
-     "Thumbnail for final URL should be cached");
-
-  removeThumbnail(originalURL);
-  removeThumbnail(finalURL);
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bg_timeout.js b/toolkit/components/thumbnails/test/browser_thumbnails_bg_timeout.js
deleted file mode 100644
index da05b4355..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bg_timeout.js
+++ /dev/null
@@ -1,24 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function* runTests() {
-  let url = bgTestPageURL({ wait: 30000 });
-  ok(!thumbnailExists(url), "Thumbnail should not be cached already.");
-  let numCalls = 0;
-  BackgroundPageThumbs.capture(url, {
-    timeout: 0,
-    onDone: function onDone(capturedURL) {
-      is(capturedURL, url, "Captured URL should be URL passed to capture");
-      is(numCalls++, 0, "onDone should be called only once");
-      ok(!thumbnailExists(url),
-         "Capture timed out so thumbnail should not be cached");
-      next();
-    },
-  });
-  yield new Promise(resolve => {
-    bgAddPageThumbObserver(url).catch(function(err) {
-      ok(true, `page-thumbnail error thrown for ${url}`);
-      resolve();
-    });
-  });
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bug726727.js b/toolkit/components/thumbnails/test/browser_thumbnails_bug726727.js
deleted file mode 100644
index f7f1f3deb..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bug726727.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-/**
- * These tests ensure that capturing a sites's thumbnail, saving it and
- * retrieving it from the cache works.
- */
-function* runTests() {
-  // Create a tab that shows an error page.
-  let tab = gBrowser.addTab("http://127.0.0.1:1/");
-  let browser = tab.linkedBrowser;
-  yield browser.addEventListener("DOMContentLoaded", function onLoad() {
-    browser.removeEventListener("DOMContentLoaded", onLoad, false);
-    PageThumbs.shouldStoreThumbnail(browser, (aResult) => {
-      ok(!aResult, "we're not going to capture an error page");
-      executeSoon(next);
-    });
-  }, false);
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bug727765.js b/toolkit/components/thumbnails/test/browser_thumbnails_bug727765.js
deleted file mode 100644
index c4faac685..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bug727765.js
+++ /dev/null
@@ -1,29 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-const URL = "http://mochi.test:8888/browser/toolkit/components/thumbnails/" +
-            "test/background_red_scroll.html";
-
-function isRedThumbnailFuzz(r, g, b, expectedR, expectedB, expectedG, aFuzz)
-{
-  return (Math.abs(r - expectedR) <= aFuzz) &&
-         (Math.abs(g - expectedG) <= aFuzz) &&
-         (Math.abs(b - expectedB) <= aFuzz);
-}
-
-// Test for black borders caused by scrollbars.
-function* runTests() {
-  // Create a tab with a page with a red background and scrollbars.
-  yield addTab(URL);
-  yield captureAndCheckColor(255, 0, 0, "we have a red thumbnail");
-
-  // Check the thumbnail color of the bottom right pixel.
-  yield whenFileExists(URL);
-  yield retrieveImageDataForURL(URL, function (aData) {
-    let [r, g, b] = [].slice.call(aData, -4);
-    let fuzz = 2; // Windows 8 x64 blends with the scrollbar a bit.
-    var message = "Expected red thumbnail rgb(255, 0, 0), got " + r + "," + g + "," + b;
-    ok(isRedThumbnailFuzz(r, g, b, 255, 0, 0, fuzz), message);
-    next();
-  });
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bug818225.js b/toolkit/components/thumbnails/test/browser_thumbnails_bug818225.js
deleted file mode 100644
index a7e1caa04..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_bug818225.js
+++ /dev/null
@@ -1,42 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-const URL = "http://mochi.test:8888/browser/toolkit/components/thumbnails/" +
-            "test/background_red.html?" + Date.now();
-
-// Test PageThumbs API function getThumbnailPath
-function* runTests() {
-
-  let path = PageThumbs.getThumbnailPath(URL);
-  yield testIfExists(path, false, "Thumbnail file does not exist");
-
-  yield addVisitsAndRepopulateNewTabLinks(URL, next);
-  yield createThumbnail(URL);
-
-  path = PageThumbs.getThumbnailPath(URL);
-  let expectedPath = PageThumbsStorage.getFilePathForURL(URL);
-  is(path, expectedPath, "Thumbnail file has correct path");
-
-  yield testIfExists(path, true, "Thumbnail file exists");
-
-}
-
-function createThumbnail(aURL) {
-  addTab(aURL, function () {
-    whenFileExists(aURL, function () {
-      gBrowser.removeTab(gBrowser.selectedTab);
-      next();
-    });
-  });
-}
-
-function testIfExists(aPath, aExpected, aMessage) {
-  return OS.File.exists(aPath).then(
-    function onSuccess(exists) {
-      is(exists, aExpected, aMessage);
-    },
-    function onFailure(error) {
-      ok(false, "OS.File.exists() failed " + error);
-    }
-  );
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_capture.js b/toolkit/components/thumbnails/test/browser_thumbnails_capture.js
deleted file mode 100644
index 47d94d31b..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_capture.js
+++ /dev/null
@@ -1,20 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-/**
- * These tests ensure that capturing a sites's thumbnail, saving it and
- * retrieving it from the cache works.
- */
-function* runTests() {
-  // Create a tab with a red background.
-  yield addTab("data:text/html,<body bgcolor=ff0000></body>");
-  yield captureAndCheckColor(255, 0, 0, "we have a red thumbnail");
-
-  // Load a page with a green background.
-  yield navigateTo("data:text/html,<body bgcolor=00ff00></body>");
-  yield captureAndCheckColor(0, 255, 0, "we have a green thumbnail");
-
-  // Load a page with a blue background.
-  yield navigateTo("data:text/html,<body bgcolor=0000ff></body>");
-  yield captureAndCheckColor(0, 0, 255, "we have a blue thumbnail");
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_expiration.js b/toolkit/components/thumbnails/test/browser_thumbnails_expiration.js
deleted file mode 100644
index 4c73e17be..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_expiration.js
+++ /dev/null
@@ -1,97 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-const URL = "http://mochi.test:8888/?t=" + Date.now();
-const URL1 = URL + "#1";
-const URL2 = URL + "#2";
-const URL3 = URL + "#3";
-
-var tmp = {};
-Cc["@mozilla.org/moz/jssubscript-loader;1"]
-  .getService(Ci.mozIJSSubScriptLoader)
-  .loadSubScript("resource://gre/modules/PageThumbs.jsm", tmp);
-
-const EXPIRATION_MIN_CHUNK_SIZE = 50;
-const {PageThumbsExpiration} = tmp;
-
-function* runTests() {
-  // Create dummy URLs.
-  let dummyURLs = [];
-  for (let i = 0; i < EXPIRATION_MIN_CHUNK_SIZE + 10; i++) {
-    dummyURLs.push(URL + "#dummy" + i);
-  }
-
-  // Make sure our thumbnails aren't expired too early.
-  dontExpireThumbnailURLs([URL1, URL2, URL3].concat(dummyURLs));
-
-  // Create three thumbnails.
-  yield createDummyThumbnail(URL1);
-  ok(thumbnailExists(URL1), "first thumbnail created");
-
-  yield createDummyThumbnail(URL2);
-  ok(thumbnailExists(URL2), "second thumbnail created");
-
-  yield createDummyThumbnail(URL3);
-  ok(thumbnailExists(URL3), "third thumbnail created");
-
-  // Remove the third thumbnail.
-  yield expireThumbnails([URL1, URL2]);
-  ok(thumbnailExists(URL1), "first thumbnail still exists");
-  ok(thumbnailExists(URL2), "second thumbnail still exists");
-  ok(!thumbnailExists(URL3), "third thumbnail has been removed");
-
-  // Remove the second thumbnail.
-  yield expireThumbnails([URL1]);
-  ok(thumbnailExists(URL1), "first thumbnail still exists");
-  ok(!thumbnailExists(URL2), "second thumbnail has been removed");
-
-  // Remove all thumbnails.
-  yield expireThumbnails([]);
-  ok(!thumbnailExists(URL1), "all thumbnails have been removed");
-
-  // Create some more files than the min chunk size.
-  for (let url of dummyURLs) {
-    yield createDummyThumbnail(url);
-  }
-
-  ok(dummyURLs.every(thumbnailExists), "all dummy thumbnails created");
-
-  // Expire thumbnails and expect 10 remaining.
-  yield expireThumbnails([]);
-  let remainingURLs = dummyURLs.filter(thumbnailExists);
-  is(remainingURLs.length, 10, "10 dummy thumbnails remaining");
-
-  // Expire thumbnails again. All should be gone by now.
-  yield expireThumbnails([]);
-  remainingURLs = remainingURLs.filter(thumbnailExists);
-  is(remainingURLs.length, 0, "no dummy thumbnails remaining");
-}
-
-function createDummyThumbnail(aURL) {
-  info("Creating dummy thumbnail for " + aURL);
-  let dummy = new Uint8Array(10);
-  for (let i = 0; i < 10; ++i) {
-    dummy[i] = i;
-  }
-  PageThumbsStorage.writeData(aURL, dummy).then(
-    function onSuccess() {
-      info("createDummyThumbnail succeeded");
-      executeSoon(next);
-    },
-    function onFailure(error) {
-      ok(false, "createDummyThumbnail failed " + error);
-    }
-  );
-}
-
-function expireThumbnails(aKeep) {
-  PageThumbsExpiration.expireThumbnails(aKeep).then(
-    function onSuccess() {
-      info("expireThumbnails succeeded");
-      executeSoon(next);
-    },
-    function onFailure(error) {
-      ok(false, "expireThumbnails failed " + error);
-    }
-  );
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_privacy.js b/toolkit/components/thumbnails/test/browser_thumbnails_privacy.js
deleted file mode 100644
index e7dc7b4d5..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_privacy.js
+++ /dev/null
@@ -1,74 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-const PREF_DISK_CACHE_SSL = "browser.cache.disk_cache_ssl";
-const URL = "://example.com/browser/toolkit/components/thumbnails/" +
-            "test/privacy_cache_control.sjs";
-
-function* runTests() {
-  registerCleanupFunction(function () {
-    Services.prefs.clearUserPref(PREF_DISK_CACHE_SSL);
-  });
-
-  let positive = [
-    // A normal HTTP page without any Cache-Control header.
-    {scheme: "http", cacheControl: null, diskCacheSSL: false},
-
-    // A normal HTTP page with 'Cache-Control: private'.
-    {scheme: "http", cacheControl: "private", diskCacheSSL: false},
-
-    // Capture HTTPS pages if browser.cache.disk_cache_ssl == true.
-    {scheme: "https", cacheControl: null, diskCacheSSL: true},
-    {scheme: "https", cacheControl: "public", diskCacheSSL: true},
-    {scheme: "https", cacheControl: "private", diskCacheSSL: true}
-  ];
-
-  let negative = [
-    // Never capture pages with 'Cache-Control: no-store'.
-    {scheme: "http", cacheControl: "no-store", diskCacheSSL: false},
-    {scheme: "http", cacheControl: "no-store", diskCacheSSL: true},
-    {scheme: "https", cacheControl: "no-store", diskCacheSSL: false},
-    {scheme: "https", cacheControl: "no-store", diskCacheSSL: true},
-
-    // Don't capture HTTPS pages by default.
-    {scheme: "https", cacheControl: null, diskCacheSSL: false},
-    {scheme: "https", cacheControl: "public", diskCacheSSL: false},
-    {scheme: "https", cacheControl: "private", diskCacheSSL: false}
-  ];
-
-  yield checkCombinations(positive, true);
-  yield checkCombinations(negative, false);
-}
-
-function checkCombinations(aCombinations, aResult) {
-  let combi = aCombinations.shift();
-  if (!combi) {
-    next();
-    return;
-  }
-
-  let url = combi.scheme + URL;
-  if (combi.cacheControl)
-    url += "?" + combi.cacheControl;
-  Services.prefs.setBoolPref(PREF_DISK_CACHE_SSL, combi.diskCacheSSL);
-
-  // Add the test page as a top link so it has a chance to be thumbnailed
-  addVisitsAndRepopulateNewTabLinks(url, _ => {
-    testCombination(combi, url, aCombinations, aResult);
-  });
-}
-
-function testCombination(combi, url, aCombinations, aResult) {
-  let tab = gBrowser.selectedTab = gBrowser.addTab(url);
-  let browser = gBrowser.selectedBrowser;
-
-  whenLoaded(browser, () => {
-    let msg = JSON.stringify(combi) + " == " + aResult;
-    PageThumbs.shouldStoreThumbnail(browser, (aIsSafeSite) => {
-      is(aIsSafeSite, aResult, msg);
-      gBrowser.removeTab(tab);
-      // Continue with the next combination.
-      checkCombinations(aCombinations, aResult);
-    });
-  });
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_redirect.js b/toolkit/components/thumbnails/test/browser_thumbnails_redirect.js
deleted file mode 100644
index 482dbc803..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_redirect.js
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-const URL = "http://mochi.test:8888/browser/toolkit/components/thumbnails/" +
-            "test/background_red_redirect.sjs";
-// loading URL will redirect us to...
-const FINAL_URL = "http://mochi.test:8888/browser/toolkit/components/" +
-                  "thumbnails/test/background_red.html";
-
-/**
- * These tests ensure that we save and provide thumbnails for redirecting sites.
- */
-function* runTests() {
-  dontExpireThumbnailURLs([URL, FINAL_URL]);
-
-  // Kick off history by loading a tab first or the test fails in single mode.
-  yield addTab(URL);
-  gBrowser.removeTab(gBrowser.selectedTab);
-
-  // Create a tab, redirecting to a page with a red background.
-  yield addTab(URL);
-  yield captureAndCheckColor(255, 0, 0, "we have a red thumbnail");
-
-  // Wait until the referrer's thumbnail's file has been written.
-  yield whenFileExists(URL);
-  yield retrieveImageDataForURL(URL, function ([r, g, b]) {
-    is("" + [r, g, b], "255,0,0", "referrer has a red thumbnail");
-    next();
-  });
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_storage.js b/toolkit/components/thumbnails/test/browser_thumbnails_storage.js
deleted file mode 100644
index 972f956e5..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_storage.js
+++ /dev/null
@@ -1,112 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-const URL = "http://mochi.test:8888/";
-const URL_COPY = URL + "#copy";
-
-XPCOMUtils.defineLazyGetter(this, "Sanitizer", function () {
-  let tmp = {};
-  Cc["@mozilla.org/moz/jssubscript-loader;1"]
-    .getService(Ci.mozIJSSubScriptLoader)
-    .loadSubScript("chrome://browser/content/sanitize.js", tmp);
-  return tmp.Sanitizer;
-});
-
-/**
- * These tests ensure that the thumbnail storage is working as intended.
- * Newly captured thumbnails should be saved as files and they should as well
- * be removed when the user sanitizes their history.
- */
-function* runTests() {
-  yield Task.spawn(function*() {
-    dontExpireThumbnailURLs([URL, URL_COPY]);
-
-    yield promiseClearHistory();
-    yield promiseAddVisitsAndRepopulateNewTabLinks(URL);
-    yield promiseCreateThumbnail();
-
-    // Make sure Storage.copy() updates an existing file.
-    yield PageThumbsStorage.copy(URL, URL_COPY);
-    let copy = new FileUtils.File(PageThumbsStorage.getFilePathForURL(URL_COPY));
-    let mtime = copy.lastModifiedTime -= 60;
-
-    yield PageThumbsStorage.copy(URL, URL_COPY);
-    isnot(new FileUtils.File(PageThumbsStorage.getFilePathForURL(URL_COPY)).lastModifiedTime, mtime,
-          "thumbnail file was updated");
-
-    let file = new FileUtils.File(PageThumbsStorage.getFilePathForURL(URL));
-    let fileCopy = new FileUtils.File(PageThumbsStorage.getFilePathForURL(URL_COPY));
-
-    // Clear the browser history. Retry until the files are gone because Windows
-    // locks them sometimes.
-    info("Clearing history");
-    while (file.exists() || fileCopy.exists()) {
-      yield promiseClearHistory();
-    }
-    info("History is clear");
-
-    info("Repopulating");
-    yield promiseAddVisitsAndRepopulateNewTabLinks(URL);
-    yield promiseCreateThumbnail();
-
-    info("Clearing the last 10 minutes of browsing history");
-    // Clear the last 10 minutes of browsing history.
-    yield promiseClearHistory(true);
-
-    info("Attempt to clear file");
-    // Retry until the file is gone because Windows locks it sometimes.
-    yield promiseClearFile(file, URL);
-
-    info("Done");
-  });
-}
-
-var promiseClearFile = Task.async(function*(aFile, aURL) {
-  if (!aFile.exists()) {
-    return undefined;
-  }
-  // Re-add our URL to the history so that history observer's onDeleteURI()
-  // is called again.
-  yield PlacesTestUtils.addVisits(makeURI(aURL));
-  yield promiseClearHistory(true);
-  // Then retry.
-  return promiseClearFile(aFile, aURL);
-});
-
-function promiseClearHistory(aUseRange) {
-  let s = new Sanitizer();
-  s.prefDomain = "privacy.cpd.";
-
-  let prefs = gPrefService.getBranch(s.prefDomain);
-  prefs.setBoolPref("history", true);
-  prefs.setBoolPref("downloads", false);
-  prefs.setBoolPref("cache", false);
-  prefs.setBoolPref("cookies", false);
-  prefs.setBoolPref("formdata", false);
-  prefs.setBoolPref("offlineApps", false);
-  prefs.setBoolPref("passwords", false);
-  prefs.setBoolPref("sessions", false);
-  prefs.setBoolPref("siteSettings", false);
-
-  if (aUseRange) {
-    let usec = Date.now() * 1000;
-    s.range = [usec - 10 * 60 * 1000 * 1000, usec];
-    s.ignoreTimespan = false;
-  }
-
-  return s.sanitize().then(() => {
-    s.range = null;
-    s.ignoreTimespan = true;
-  });
-}
-
-function promiseCreateThumbnail() {
-  return new Promise(resolve => {
-    addTab(URL, function () {
-      whenFileExists(URL, function () {
-        gBrowser.removeTab(gBrowser.selectedTab);
-        resolve();
-      });
-    });
-  });
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_storage_migrate3.js b/toolkit/components/thumbnails/test/browser_thumbnails_storage_migrate3.js
deleted file mode 100644
index e7f150f87..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_storage_migrate3.js
+++ /dev/null
@@ -1,102 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-const URL = "http://mochi.test:8888/migration3";
-const URL2 = URL + "#2";
-const URL3 = URL + "#3";
-const THUMBNAIL_DIRECTORY = "thumbnails";
-const PREF_STORAGE_VERSION = "browser.pagethumbnails.storage_version";
-
-var tmp = {};
-Cc["@mozilla.org/moz/jssubscript-loader;1"]
-  .getService(Ci.mozIJSSubScriptLoader)
-  .loadSubScript("resource://gre/modules/PageThumbs.jsm", tmp);
-var {PageThumbsStorageMigrator} = tmp;
-
-XPCOMUtils.defineLazyServiceGetter(this, "gDirSvc",
-  "@mozilla.org/file/directory_service;1", "nsIProperties");
-
-/**
- * This test makes sure we correctly migrate to thumbnail storage version 3.
- * This means copying existing thumbnails from the roaming to the local profile
- * directory and should just apply to Linux.
- */
-function* runTests() {
-  // Prepare a local profile directory.
-  let localProfile = FileUtils.getDir("ProfD", ["local-test"], true);
-  changeLocation("ProfLD", localProfile);
-
-  let roaming = FileUtils.getDir("ProfD", [THUMBNAIL_DIRECTORY], true);
-
-  // Set up some data in the roaming profile.
-  let name = PageThumbsStorage.getLeafNameForURL(URL);
-  let file = FileUtils.getFile("ProfD", [THUMBNAIL_DIRECTORY, name]);
-  writeDummyFile(file);
-
-  name = PageThumbsStorage.getLeafNameForURL(URL2);
-  file = FileUtils.getFile("ProfD", [THUMBNAIL_DIRECTORY, name]);
-  writeDummyFile(file);
-
-  name = PageThumbsStorage.getLeafNameForURL(URL3);
-  file = FileUtils.getFile("ProfD", [THUMBNAIL_DIRECTORY, name]);
-  writeDummyFile(file);
-
-  // Pretend to have one of the thumbnails
-  // already in place at the new storage site.
-  name = PageThumbsStorage.getLeafNameForURL(URL3);
-  file = FileUtils.getFile("ProfLD", [THUMBNAIL_DIRECTORY, name]);
-  writeDummyFile(file, "no-overwrite-plz");
-
-  // Kick off thumbnail storage migration.
-  PageThumbsStorageMigrator.migrateToVersion3(localProfile.path);
-  ok(true, "migration finished");
-
-  // Wait until the first thumbnail was moved to its new location.
-  yield whenFileExists(URL);
-  ok(true, "first thumbnail moved");
-
-  // Wait for the second thumbnail to be moved as well.
-  yield whenFileExists(URL2);
-  ok(true, "second thumbnail moved");
-
-  yield whenFileRemoved(roaming);
-  ok(true, "roaming thumbnail directory removed");
-
-  // Check that our existing thumbnail wasn't overwritten.
-  is(getFileContents(file), "no-overwrite-plz",
-    "existing thumbnail was not overwritten");
-
-  // Sanity check: ensure that, until it is removed, deprecated
-  // function |getFileForURL| points to the same path as
-  // |getFilePathForURL|.
-  if ("getFileForURL" in PageThumbsStorage) {
-    file = PageThumbsStorage.getFileForURL(URL);
-    is(file.path, PageThumbsStorage.getFilePathForURL(URL),
-       "Deprecated getFileForURL and getFilePathForURL return the same path");
-  }
-}
-
-function changeLocation(aLocation, aNewDir) {
-  let oldDir = gDirSvc.get(aLocation, Ci.nsILocalFile);
-  gDirSvc.undefine(aLocation);
-  gDirSvc.set(aLocation, aNewDir);
-
-  registerCleanupFunction(function () {
-    gDirSvc.undefine(aLocation);
-    gDirSvc.set(aLocation, oldDir);
-  });
-}
-
-function writeDummyFile(aFile, aContents) {
-  let fos = FileUtils.openSafeFileOutputStream(aFile);
-  let data = aContents || "dummy";
-  fos.write(data, data.length);
-  FileUtils.closeSafeFileOutputStream(fos);
-}
-
-function getFileContents(aFile) {
-  let istream = Cc["@mozilla.org/network/file-input-stream;1"]
-                  .createInstance(Ci.nsIFileInputStream);
-  istream.init(aFile, FileUtils.MODE_RDONLY, FileUtils.PERMS_FILE, 0);
-  return NetUtil.readInputStreamToString(istream, istream.available());
-}
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_update.js b/toolkit/components/thumbnails/test/browser_thumbnails_update.js
deleted file mode 100644
index 971a2994e..000000000
--- a/toolkit/components/thumbnails/test/browser_thumbnails_update.js
+++ /dev/null
@@ -1,169 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-/**
- * These tests check the auto-update facility of the thumbnail service.
- */
-
-function* runTests() {
-  // A "trampoline" - a generator that iterates over sub-iterators
-  let tests = [
-    simpleCaptureTest,
-    capIfStaleErrorResponseUpdateTest,
-    capIfStaleGoodResponseUpdateTest,
-    regularCapErrorResponseUpdateTest,
-    regularCapGoodResponseUpdateTest
-  ];
-  for (let test of tests) {
-    info("Running subtest " + test.name);
-    for (let iterator of test())
-      yield iterator;
-  }
-}
-
-function ensureThumbnailStale(url) {
-  // We go behind the back of the thumbnail service and change the
-  // mtime of the file to be in the past.
-  let fname = PageThumbsStorage.getFilePathForURL(url);
-  let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
-  file.initWithPath(fname);
-  ok(file.exists(), fname + " should exist");
-  // Set it as very stale...
-  file.lastModifiedTime = Date.now() - 1000000000;
-}
-
-function getThumbnailModifiedTime(url) {
-  let fname = PageThumbsStorage.getFilePathForURL(url);
-  let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
-  file.initWithPath(fname);
-  return file.lastModifiedTime;
-}
-
-// The tests!
-/* Check functionality of a normal captureAndStoreIfStale request */
-function* simpleCaptureTest() {
-  let numNotifications = 0;
-  const URL = "http://mochi.test:8888/browser/toolkit/components/thumbnails/test/thumbnails_update.sjs?simple";
-
-  function observe(subject, topic, data) {
-    is(topic, "page-thumbnail:create", "got expected topic");
-    is(data, URL, "data is our test URL");
-    if (++numNotifications == 2) {
-      // This is the final notification and signals test success...
-      Services.obs.removeObserver(observe, "page-thumbnail:create");
-      gBrowser.removeTab(gBrowser.selectedTab);
-      next();
-    }
-  }
-
-  Services.obs.addObserver(observe, "page-thumbnail:create", false);
-  // Create a tab - we don't care what the content is.
-  yield addTab(URL);
-  let browser = gBrowser.selectedBrowser;
-
-  // Capture the screenshot.
-  PageThumbs.captureAndStore(browser, function () {
-    // We've got a capture so should have seen the observer.
-    is(numNotifications, 1, "got notification of item being created.");
-    // The capture is now "fresh" - so requesting the URL should not cause
-    // a new capture.
-    PageThumbs.captureAndStoreIfStale(browser, function() {
-      is(numNotifications, 1, "still only 1 notification of item being created.");
-
-      ensureThumbnailStale(URL);
-      // Ask for it to be updated.
-      PageThumbs.captureAndStoreIfStale(browser);
-      // But it's async, so wait - our observer above will call next() when
-      // the notification comes.
-    });
-  });
-  yield undefined // wait for callbacks to call 'next'...
-}
-
-/* Check functionality of captureAndStoreIfStale when there is an error response
-   from the server.
- */
-function* capIfStaleErrorResponseUpdateTest() {
-  const URL = "http://mochi.test:8888/browser/toolkit/components/thumbnails/test/thumbnails_update.sjs?fail";
-  yield addTab(URL);
-
-  yield captureAndCheckColor(0, 255, 0, "we have a green thumbnail");
-  // update the thumbnail to be stale, then re-request it.  The server will
-  // return a 400 response and a red thumbnail.
-  // The service should not save the thumbnail - so we (a) check the thumbnail
-  // remains green and (b) check the mtime of the file is < now.
-  ensureThumbnailStale(URL);
-  yield navigateTo(URL);
-  // now() returns a higher-precision value than the modified time of a file.
-  // As we set the thumbnail very stale, allowing 1 second of "slop" here
-  // works around this while still keeping the test valid.
-  let now = Date.now() - 1000 ;
-  PageThumbs.captureAndStoreIfStale(gBrowser.selectedBrowser, () => {
-    ok(getThumbnailModifiedTime(URL) < now, "modified time should be < now");
-    retrieveImageDataForURL(URL, function ([r, g, b]) {
-      is("" + [r, g, b], "" + [0, 255, 0], "thumbnail is still green");
-      gBrowser.removeTab(gBrowser.selectedTab);
-      next();
-    });
-  });
-  yield undefined; // wait for callback to call 'next'...
-}
-
-/* Check functionality of captureAndStoreIfStale when there is a non-error
-   response from the server.  This test is somewhat redundant - although it is
-   using a http:// URL instead of a data: url like most others.
- */
-function* capIfStaleGoodResponseUpdateTest() {
-  const URL = "http://mochi.test:8888/browser/toolkit/components/thumbnails/test/thumbnails_update.sjs?ok";
-  yield addTab(URL);
-  let browser = gBrowser.selectedBrowser;
-
-  yield captureAndCheckColor(0, 255, 0, "we have a green thumbnail");
-  // update the thumbnail to be stale, then re-request it.  The server will
-  // return a 200 response and a red thumbnail - so that new thumbnail should
-  // end up captured.
-  ensureThumbnailStale(URL);
-  yield navigateTo(URL);
-  // now() returns a higher-precision value than the modified time of a file.
-  // As we set the thumbnail very stale, allowing 1 second of "slop" here
-  // works around this while still keeping the test valid.
-  let now = Date.now() - 1000 ;
-  PageThumbs.captureAndStoreIfStale(browser, () => {
-    ok(getThumbnailModifiedTime(URL) >= now, "modified time should be >= now");
-    // the captureAndStoreIfStale request saw a 200 response with the red body,
-    // so we expect to see the red version here.
-    retrieveImageDataForURL(URL, function ([r, g, b]) {
-      is("" + [r, g, b], "" + [255, 0, 0], "thumbnail is now red");
-      next();
-    });
-  });
-  yield undefined; // wait for callback to call 'next'...
-}
-
-/* Check functionality of captureAndStore when there is an error response
-   from the server.
- */
-function* regularCapErrorResponseUpdateTest() {
-  const URL = "http://mochi.test:8888/browser/toolkit/components/thumbnails/test/thumbnails_update.sjs?fail";
-  yield addTab(URL);
-  yield captureAndCheckColor(0, 255, 0, "we have a green thumbnail");
-  gBrowser.removeTab(gBrowser.selectedTab);
-  // do it again - the server will return a 400, so the foreground service
-  // should not update it.
-  yield addTab(URL);
-  yield captureAndCheckColor(0, 255, 0, "we still have a green thumbnail");
-}
-
-/* Check functionality of captureAndStore when there is an OK response
-   from the server.
- */
-function* regularCapGoodResponseUpdateTest() {
-  const URL = "http://mochi.test:8888/browser/toolkit/components/thumbnails/test/thumbnails_update.sjs?ok";
-  yield addTab(URL);
-  yield captureAndCheckColor(0, 255, 0, "we have a green thumbnail");
-  gBrowser.removeTab(gBrowser.selectedTab);
-  // do it again - the server will return a 200, so the foreground service
-  // should  update it.
-  yield addTab(URL);
-  yield captureAndCheckColor(255, 0, 0, "we now  have a red thumbnail");
-}
diff --git a/toolkit/components/thumbnails/test/head.js b/toolkit/components/thumbnails/test/head.js
deleted file mode 100644
index e8229508a..000000000
--- a/toolkit/components/thumbnails/test/head.js
+++ /dev/null
@@ -1,356 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-var tmp = {};
-Cu.import("resource://gre/modules/PageThumbs.jsm", tmp);
-Cu.import("resource://gre/modules/BackgroundPageThumbs.jsm", tmp);
-Cu.import("resource://gre/modules/NewTabUtils.jsm", tmp);
-Cu.import("resource:///modules/sessionstore/SessionStore.jsm", tmp);
-Cu.import("resource://gre/modules/FileUtils.jsm", tmp);
-Cu.import("resource://gre/modules/osfile.jsm", tmp);
-var {PageThumbs, BackgroundPageThumbs, NewTabUtils, PageThumbsStorage, SessionStore, FileUtils, OS} = tmp;
-
-XPCOMUtils.defineLazyModuleGetter(this, "PlacesTestUtils",
-  "resource://testing-common/PlacesTestUtils.jsm");
-
-var oldEnabledPref = Services.prefs.getBoolPref("browser.pagethumbnails.capturing_disabled");
-Services.prefs.setBoolPref("browser.pagethumbnails.capturing_disabled", false);
-
-registerCleanupFunction(function () {
-  while (gBrowser.tabs.length > 1)
-    gBrowser.removeTab(gBrowser.tabs[1]);
-  Services.prefs.setBoolPref("browser.pagethumbnails.capturing_disabled", oldEnabledPref)
-});
-
-/**
- * Provide the default test function to start our test runner.
- */
-function test() {
-  TestRunner.run();
-}
-
-/**
- * The test runner that controls the execution flow of our tests.
- */
-var TestRunner = {
-  /**
-   * Starts the test runner.
-   */
-  run: function () {
-    waitForExplicitFinish();
-
-    SessionStore.promiseInitialized.then(function () {
-      this._iter = runTests();
-      if (this._iter) {
-        this.next();
-      } else {
-        finish();
-      }
-    }.bind(this));
-  },
-
-  /**
-   * Runs the next available test or finishes if there's no test left.
-   * @param aValue This value will be passed to the yielder via the runner's
-   *               iterator.
-   */
-  next: function (aValue) {
-    let obj = TestRunner._iter.next(aValue);
-    if (obj.done) {
-      finish();
-      return;
-    }
-
-    let value = obj.value || obj;
-    if (value && typeof value.then == "function") {
-      value.then(result => {
-        next(result);
-      }, error => {
-        ok(false, error + "\n" + error.stack);
-      });
-    }
-  }
-};
-
-/**
- * Continues the current test execution.
- * @param aValue This value will be passed to the yielder via the runner's
- *               iterator.
- */
-function next(aValue) {
-  TestRunner.next(aValue);
-}
-
-/**
- * Creates a new tab with the given URI.
- * @param aURI The URI that's loaded in the tab.
- * @param aCallback The function to call when the tab has loaded.
- */
-function addTab(aURI, aCallback) {
-  let tab = gBrowser.selectedTab = gBrowser.addTab(aURI);
-  whenLoaded(tab.linkedBrowser, aCallback);
-}
-
-/**
- * Loads a new URI into the currently selected tab.
- * @param aURI The URI to load.
- */
-function navigateTo(aURI) {
-  let browser = gBrowser.selectedBrowser;
-  whenLoaded(browser);
-  browser.loadURI(aURI);
-}
-
-/**
- * Continues the current test execution when a load event for the given element
- * has been received.
- * @param aElement The DOM element to listen on.
- * @param aCallback The function to call when the load event was dispatched.
- */
-function whenLoaded(aElement, aCallback = next) {
-  aElement.addEventListener("load", function onLoad() {
-    aElement.removeEventListener("load", onLoad, true);
-    executeSoon(aCallback);
-  }, true);
-}
-
-/**
- * Captures a screenshot for the currently selected tab, stores it in the cache,
- * retrieves it from the cache and compares pixel color values.
- * @param aRed The red component's intensity.
- * @param aGreen The green component's intensity.
- * @param aBlue The blue component's intensity.
- * @param aMessage The info message to print when comparing the pixel color.
- */
-function captureAndCheckColor(aRed, aGreen, aBlue, aMessage) {
-  let browser = gBrowser.selectedBrowser;
-  // We'll get oranges if the expiration filter removes the file during the
-  // test.
-  dontExpireThumbnailURLs([browser.currentURI.spec]);
-
-  // Capture the screenshot.
-  PageThumbs.captureAndStore(browser, function () {
-    retrieveImageDataForURL(browser.currentURI.spec, function ([r, g, b]) {
-      is("" + [r, g, b], "" + [aRed, aGreen, aBlue], aMessage);
-      next();
-    });
-  });
-}
-
-/**
- * For a given URL, loads the corresponding thumbnail
- * to a canvas and passes its image data to the callback.
- * Note, not compat with e10s!
- * @param aURL The url associated with the thumbnail.
- * @param aCallback The function to pass the image data to.
- */
-function retrieveImageDataForURL(aURL, aCallback) {
-  let width = 100, height = 100;
-  let thumb = PageThumbs.getThumbnailURL(aURL, width, height);
-
-  let htmlns = "http://www.w3.org/1999/xhtml";
-  let img = document.createElementNS(htmlns, "img");
-  img.setAttribute("src", thumb);
-
-  whenLoaded(img, function () {
-    let canvas = document.createElementNS(htmlns, "canvas");
-    canvas.setAttribute("width", width);
-    canvas.setAttribute("height", height);
-
-    // Draw the image to a canvas and compare the pixel color values.
-    let ctx = canvas.getContext("2d");
-    ctx.drawImage(img, 0, 0, width, height);
-    let result = ctx.getImageData(0, 0, 100, 100).data;
-    aCallback(result);
-  });
-}
-
-/**
- * Returns the file of the thumbnail with the given URL.
- * @param aURL The URL of the thumbnail.
- */
-function thumbnailFile(aURL) {
-  return new FileUtils.File(PageThumbsStorage.getFilePathForURL(aURL));
-}
-
-/**
- * Checks if a thumbnail for the given URL exists.
- * @param aURL The url associated to the thumbnail.
- */
-function thumbnailExists(aURL) {
-  let file = thumbnailFile(aURL);
-  return file.exists() && file.fileSize;
-}
-
-/**
- * Removes the thumbnail for the given URL.
- * @param aURL The URL associated with the thumbnail.
- */
-function removeThumbnail(aURL) {
-  let file = thumbnailFile(aURL);
-  file.remove(false);
-}
-
-/**
- * Calls addVisits, and then forces the newtab module to repopulate its links.
- * See addVisits for parameter descriptions.
- */
-function addVisitsAndRepopulateNewTabLinks(aPlaceInfo, aCallback) {
-  PlacesTestUtils.addVisits(makeURI(aPlaceInfo)).then(() => {
-    NewTabUtils.links.populateCache(aCallback, true);
-  });
-}
-function promiseAddVisitsAndRepopulateNewTabLinks(aPlaceInfo) {
-  return new Promise(resolve => addVisitsAndRepopulateNewTabLinks(aPlaceInfo, resolve));
-}
-
-/**
- * Calls a given callback when the thumbnail for a given URL has been found
- * on disk. Keeps trying until the thumbnail has been created.
- *
- * @param aURL The URL of the thumbnail's page.
- * @param [optional] aCallback
- *        Function to be invoked on completion.
- */
-function whenFileExists(aURL, aCallback = next) {
-  let callback = aCallback;
-  if (!thumbnailExists(aURL)) {
-    callback = () => whenFileExists(aURL, aCallback);
-  }
-
-  executeSoon(callback);
-}
-
-/**
- * Calls a given callback when the given file has been removed.
- * Keeps trying until the file is removed.
- *
- * @param aFile The file that is being removed
- * @param [optional] aCallback
- *        Function to be invoked on completion.
- */
-function whenFileRemoved(aFile, aCallback) {
-  let callback = aCallback;
-  if (aFile.exists()) {
-    callback = () => whenFileRemoved(aFile, aCallback);
-  }
-
-  executeSoon(callback || next);
-}
-
-function wait(aMillis) {
-  setTimeout(next, aMillis);
-}
-
-/**
- * Makes sure that a given list of URLs is not implicitly expired.
- *
- * @param aURLs The list of URLs that should not be expired.
- */
-function dontExpireThumbnailURLs(aURLs) {
-  let dontExpireURLs = (cb) => cb(aURLs);
-  PageThumbs.addExpirationFilter(dontExpireURLs);
-
-  registerCleanupFunction(function () {
-    PageThumbs.removeExpirationFilter(dontExpireURLs);
-  });
-}
-
-function bgCapture(aURL, aOptions) {
-  bgCaptureWithMethod("capture", aURL, aOptions);
-}
-
-function bgCaptureIfMissing(aURL, aOptions) {
-  bgCaptureWithMethod("captureIfMissing", aURL, aOptions);
-}
-
-function bgCaptureWithMethod(aMethodName, aURL, aOptions = {}) {
-  // We'll get oranges if the expiration filter removes the file during the
-  // test.
-  dontExpireThumbnailURLs([aURL]);
-  if (!aOptions.onDone)
-    aOptions.onDone = next;
-  BackgroundPageThumbs[aMethodName](aURL, aOptions);
-}
-
-function bgTestPageURL(aOpts = {}) {
-  let TEST_PAGE_URL = "http://mochi.test:8888/browser/toolkit/components/thumbnails/test/thumbnails_background.sjs";
-  return TEST_PAGE_URL + "?" + encodeURIComponent(JSON.stringify(aOpts));
-}
-
-function bgAddPageThumbObserver(url) {
-  return new Promise((resolve, reject) => {
-    function observe(subject, topic, data) { // jshint ignore:line
-      if (data === url) {
-        switch (topic) {
-          case "page-thumbnail:create":
-            resolve();
-            break;
-          case "page-thumbnail:error":
-            reject(new Error("page-thumbnail:error"));
-            break;
-        }
-        Services.obs.removeObserver(observe, "page-thumbnail:create");
-        Services.obs.removeObserver(observe, "page-thumbnail:error");
-      }
-    }
-    Services.obs.addObserver(observe, "page-thumbnail:create", false);
-    Services.obs.addObserver(observe, "page-thumbnail:error", false);
-  });
-}
-
-function bgAddCrashObserver() {
-  let crashed = false;
-  Services.obs.addObserver(function crashObserver(subject, topic, data) {
-    is(topic, 'ipc:content-shutdown', 'Received correct observer topic.');
-    ok(subject instanceof Components.interfaces.nsIPropertyBag2,
-       'Subject implements nsIPropertyBag2.');
-    // we might see this called as the process terminates due to previous tests.
-    // We are only looking for "abnormal" exits...
-    if (!subject.hasKey("abnormal")) {
-      info("This is a normal termination and isn't the one we are looking for...");
-      return;
-    }
-    Services.obs.removeObserver(crashObserver, 'ipc:content-shutdown');
-    crashed = true;
-
-    var dumpID;
-    if ('nsICrashReporter' in Components.interfaces) {
-      dumpID = subject.getPropertyAsAString('dumpID');
-      ok(dumpID, "dumpID is present and not an empty string");
-    }
-
-    if (dumpID) {
-      var minidumpDirectory = getMinidumpDirectory();
-      removeFile(minidumpDirectory, dumpID + '.dmp');
-      removeFile(minidumpDirectory, dumpID + '.extra');
-    }
-  }, 'ipc:content-shutdown', false);
-  return {
-    get crashed() {
-      return crashed;
-    }
-  };
-}
-
-function bgInjectCrashContentScript() {
-  const TEST_CONTENT_HELPER = "chrome://mochitests/content/browser/toolkit/components/thumbnails/test/thumbnails_crash_content_helper.js";
-  let thumbnailBrowser = BackgroundPageThumbs._thumbBrowser;
-  let mm = thumbnailBrowser.messageManager;
-  mm.loadFrameScript(TEST_CONTENT_HELPER, false);
-  return mm;
-}
-
-function getMinidumpDirectory() {
-  var dir = Services.dirsvc.get('ProfD', Components.interfaces.nsIFile);
-  dir.append("minidumps");
-  return dir;
-}
-
-function removeFile(directory, filename) {
-  var file = directory.clone();
-  file.append(filename);
-  if (file.exists()) {
-    file.remove(false);
-  }
-}
diff --git a/toolkit/components/thumbnails/test/privacy_cache_control.sjs b/toolkit/components/thumbnails/test/privacy_cache_control.sjs
deleted file mode 100644
index 6c7c16edb..000000000
--- a/toolkit/components/thumbnails/test/privacy_cache_control.sjs
+++ /dev/null
@@ -1,16 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/
- */
-
-function handleRequest(aRequest, aResponse) {
-  // Set HTTP Status
-  aResponse.setStatusLine(aRequest.httpVersion, 200, "OK");
-
-  // Set Cache-Control header.
-  let value = aRequest.queryString;
-  if (value)
-    aResponse.setHeader("Cache-Control", value);
-
-  // Set the response body.
-  aResponse.write("<!DOCTYPE html><html><body></body></html>");
-}
diff --git a/toolkit/components/thumbnails/test/test_thumbnails_interfaces.js b/toolkit/components/thumbnails/test/test_thumbnails_interfaces.js
deleted file mode 100644
index a8fe51418..000000000
--- a/toolkit/components/thumbnails/test/test_thumbnails_interfaces.js
+++ /dev/null
@@ -1,25 +0,0 @@
-// tests to check that moz-page-thumb URLs correctly resolve as file:// URLS
-"use strict";
-
-const Cu = Components.utils;
-const Cc = Components.classes;
-const Cr = Components.results;
-const Ci = Components.interfaces;
-
-Cu.import("resource://gre/modules/Services.jsm");
-
-// need profile so that PageThumbsStorage can resolve the path to the underlying file
-do_get_profile();
-
-function run_test() {
-  // first check the protocol handler implements the correct interface
-  let handler = Services.io.getProtocolHandler("moz-page-thumb");
-  ok(handler instanceof Ci.nsISubstitutingProtocolHandler,
-     "moz-page-thumb handler provides substituting interface");
-
-  // then check that the file URL resolution works
-  let uri = Services.io.newURI("moz-page-thumb://thumbnail/?url=http%3A%2F%2Fwww.mozilla.org%2F",
-                               null, null);
-  ok(uri instanceof Ci.nsIFileURL, "moz-page-thumb:// is a FileURL");
-  ok(uri.file, "This moz-page-thumb:// object is backed by a file");
-}
diff --git a/toolkit/components/thumbnails/test/thumbnails_background.sjs b/toolkit/components/thumbnails/test/thumbnails_background.sjs
deleted file mode 100644
index f1cce96a0..000000000
--- a/toolkit/components/thumbnails/test/thumbnails_background.sjs
+++ /dev/null
@@ -1,79 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-// The timer never fires if it's not declared and set to this variable outside
-// handleRequest, as if it's getting GC'ed when handleRequest's scope goes away.
-// Shouldn't the timer thread hold a strong reference to it?
-var timer;
-
-function handleRequest(req, resp) {
-  resp.processAsync();
-  resp.setHeader("Cache-Control", "no-cache, no-store", false);
-  resp.setHeader("Content-Type", "text/html;charset=utf-8", false);
-
-  let opts = {};
-  try {
-    opts = JSON.parse(decodeURIComponent(req.queryString));
-  }
-  catch (err) {}
-
-  let setCookieScript = "";
-  if (opts.setRedCookie) {
-    resp.setHeader("Set-Cookie", "red", false);
-    setCookieScript = '<script>document.cookie="red";</script>';
-  }
-
-  if (opts.setGreenCookie) {
-    resp.setHeader("Set-Cookie", "green", false);
-    setCookieScript = '<script>document.cookie="green";</script>';
-  }
-
-  if (opts.iframe) {
-    setCookieScript += '<iframe src="' + opts.iframe + '" />';
-  }
-
-  if (opts.xhr) {
-    setCookieScript += `
-      <script>
-         var req = new XMLHttpRequest();
-         req.open("GET", "${opts.xhr}", true);
-         req.send();
-      </script>
-    `;
-  }
-
-  if (req.hasHeader("Cookie") &&
-      req.getHeader("Cookie").split(";").indexOf("red") >= 0) {
-    resp.write('<html style="background: #f00;">' + setCookieScript + '</html>');
-    resp.finish();
-    return;
-  }
-
-  if (req.hasHeader("Cookie") &&
-      req.getHeader("Cookie").split(";").indexOf("green") >= 0) {
-    resp.write('<html style="background: #0f0;">' + setCookieScript + '</html>');
-    resp.finish();
-    return;
-  }
-
-  if (opts.redirect) {
-    resp.setHeader("Location", opts.redirect);
-    resp.setStatusLine(null, 303, null);
-    resp.finish();
-    return;
-  }
-
-  if (opts.wait) {
-    resp.write("Waiting " + opts.wait + " ms... ");
-    timer = Components.classes["@mozilla.org/timer;1"].
-            createInstance(Components.interfaces.nsITimer);
-    timer.init(function ding() {
-      resp.write("OK!");
-      resp.finish();
-    }, opts.wait, Components.interfaces.nsITimer.TYPE_ONE_SHOT);
-    return;
-  }
-
-  resp.write("<pre>" + JSON.stringify(opts, undefined, 2) + "</pre>" + setCookieScript);
-  resp.finish();
-}
diff --git a/toolkit/components/thumbnails/test/thumbnails_crash_content_helper.js b/toolkit/components/thumbnails/test/thumbnails_crash_content_helper.js
deleted file mode 100644
index 935175f86..000000000
--- a/toolkit/components/thumbnails/test/thumbnails_crash_content_helper.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-* http://creativecommons.org/publicdomain/zero/1.0/ */
-
-var Cu = Components.utils;
-
-// Ideally we would use CrashTestUtils.jsm, but that's only available for
-// xpcshell tests - so we just copy a ctypes crasher from it.
-Cu.import("resource://gre/modules/ctypes.jsm");
-var crash = function() { // this will crash when called.
-  let zero = new ctypes.intptr_t(8);
-  let badptr = ctypes.cast(zero, ctypes.PointerType(ctypes.int32_t));
-  badptr.contents
-};
-
-
-var TestHelper = {
-  init: function() {
-    addMessageListener("thumbnails-test:crash", this);
-  },
-
-  receiveMessage: function(msg) {
-    switch (msg.name) {
-      case "thumbnails-test:crash":
-        privateNoteIntentionalCrash();
-        crash();
-      break;
-    }
-  },
-}
-
-TestHelper.init();
diff --git a/toolkit/components/thumbnails/test/thumbnails_update.sjs b/toolkit/components/thumbnails/test/thumbnails_update.sjs
deleted file mode 100644
index 4d8ab406a..000000000
--- a/toolkit/components/thumbnails/test/thumbnails_update.sjs
+++ /dev/null
@@ -1,56 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-// This server-side script is used for browser_thumbnails_update.  One of the
-// main things it must do in all cases is ensure a Cache-Control: no-store
-// header, so the foreground capture doesn't interfere with the testing.
-
-// If the querystring is "simple", then all it does it return some content -
-// it doesn't really matter what that content is.
-
-// Otherwise, its main role is that it must return different *content* for the
-// second request than it did for the first.
-// Also, it should be able to return an error response when requested for the
-// second response.
-// So the basic tests will be to grab the thumbnail, then request it to be
-// grabbed again:
-// * If the second request succeeded, the new thumbnail should exist.
-// * If the second request is an error, the new thumbnail should be ignored.
-
-function handleRequest(aRequest, aResponse) {
-  aResponse.setHeader("Content-Type", "text/html;charset=utf-8", false);
-  // we want to disable gBrowserThumbnails on-load capture for these responses,
-  // so set as a "no-store" response.
-  aResponse.setHeader("Cache-Control", "no-store");
-
-  // for the simple test - just return some content.
-  if (aRequest.queryString == "simple") {
-    aResponse.write("<html><body></body></html>");
-    aResponse.setStatusLine(aRequest.httpVersion, 200, "Its simply OK");
-    return;
-  }
-
-  // it's one of the more complex tests where the first request for the given
-  // URL must return different content than the second, and possibly an error
-  // response for the second
-  let doneError = getState(aRequest.queryString);
-  if (!doneError) {
-    // first request - return a response with a green body and 200 response.
-    aResponse.setStatusLine(aRequest.httpVersion, 200, "OK - It's green");
-    aResponse.write("<html><body bgcolor=00ff00></body></html>");
-    // set the  state so the next request does the "second request" thing below.
-    setState(aRequest.queryString, "yep");
-  } else {
-    // second request - this will be done by the b/g service.
-    // We always return a red background, but depending on the query string we
-    // return either a 200 or 401 response.
-    if (aRequest.queryString == "fail")
-      aResponse.setStatusLine(aRequest.httpVersion, 401, "Oh no you don't");
-    else
-      aResponse.setStatusLine(aRequest.httpVersion, 200, "OK - It's red");
-    aResponse.write("<html><body bgcolor=ff0000></body></html>");
-    // reset the error state incase this ends up being reused for the
-    // same url and querystring.
-    setState(aRequest.queryString, "");
-  }
-}
diff --git a/toolkit/components/thumbnails/test/xpcshell.ini b/toolkit/components/thumbnails/test/xpcshell.ini
deleted file mode 100644
index 4dae8cced..000000000
--- a/toolkit/components/thumbnails/test/xpcshell.ini
+++ /dev/null
@@ -1,6 +0,0 @@
-[DEFAULT]
-head =
-tail =
-
-[test_thumbnails_interfaces.js]
-skip-if = os == 'android' # xpcom interface not packaged
-- 
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