From 714e9c9074d9eb2f4063962d07bae6b4f02a1e7a Mon Sep 17 00:00:00 2001
From: Ascrod <32915892+Ascrod@users.noreply.github.com>
Date: Sat, 13 Apr 2019 10:53:58 -0400
Subject: Issue #991 Part 7: Toolkit Components

---
 toolkit/components/places/PlacesCategoriesStarter.js       |  7 ++-----
 .../places/PlacesRemoteTabsAutocompleteProvider.jsm        |  6 +-----
 toolkit/components/places/UnifiedComplete.js               |  5 +----
 toolkit/components/places/nsPlacesExpiration.js            | 14 ++++----------
 toolkit/components/places/tests/unit/test_000_frecency.js  | 10 ++--------
 5 files changed, 10 insertions(+), 32 deletions(-)

(limited to 'toolkit/components/places')

diff --git a/toolkit/components/places/PlacesCategoriesStarter.js b/toolkit/components/places/PlacesCategoriesStarter.js
index 560bd486a..bab14db52 100644
--- a/toolkit/components/places/PlacesCategoriesStarter.js
+++ b/toolkit/components/places/PlacesCategoriesStarter.js
@@ -77,11 +77,8 @@ PlacesCategoriesStarter.prototype = {
         break;
       case "idle-daily":
         // Once a week run places.sqlite maintenance tasks.
-        let lastMaintenance = 0;
-        try {
-          lastMaintenance =
-            Services.prefs.getIntPref("places.database.lastMaintenance");
-        } catch (ex) {}
+        let lastMaintenance =
+            Services.prefs.getIntPref("places.database.lastMaintenance", 0);
         let nowSeconds = parseInt(Date.now() / 1000);
         if (lastMaintenance < nowSeconds - MAINTENANCE_INTERVAL_SECONDS) {
           PlacesDBUtils.maintenanceOnIdle();
diff --git a/toolkit/components/places/PlacesRemoteTabsAutocompleteProvider.jsm b/toolkit/components/places/PlacesRemoteTabsAutocompleteProvider.jsm
index d23d5bc6e..c3bc501eb 100644
--- a/toolkit/components/places/PlacesRemoteTabsAutocompleteProvider.jsm
+++ b/toolkit/components/places/PlacesRemoteTabsAutocompleteProvider.jsm
@@ -95,11 +95,7 @@ function observe(subject, topic, data) {
 
     case "nsPref:changed":
       if (data == PREF_SHOW_REMOTE_ICONS) {
-        try {
-          showRemoteIcons = Services.prefs.getBoolPref(PREF_SHOW_REMOTE_ICONS);
-        } catch (_) {
-          showRemoteIcons = true; // no such pref - default is to show the icons.
-        }
+        showRemoteIcons = Services.prefs.getBoolPref(PREF_SHOW_REMOTE_ICONS, true);
       }
       break;
 
diff --git a/toolkit/components/places/UnifiedComplete.js b/toolkit/components/places/UnifiedComplete.js
index ec5f91111..7b63e29bb 100644
--- a/toolkit/components/places/UnifiedComplete.js
+++ b/toolkit/components/places/UnifiedComplete.js
@@ -437,10 +437,7 @@ XPCOMUtils.defineLazyGetter(this, "Prefs", () => {
     store.suggestTyped = prefs.get(...PREF_SUGGEST_HISTORY_ONLYTYPED);
     store.suggestSearches = prefs.get(...PREF_SUGGEST_SEARCHES);
     store.maxCharsForSearchSuggestions = prefs.get(...PREF_MAX_CHARS_FOR_SUGGEST);
-    store.keywordEnabled = true;
-    try {
-      store.keywordEnabled = Services.prefs.getBoolPref("keyword.enabled");
-    } catch (ex) {}
+    store.keywordEnabled = Services.prefs.getBoolPref("keyword.enabled", true);
 
     // If history is not set, onlyTyped value should be ignored.
     if (!store.suggestHistory) {
diff --git a/toolkit/components/places/nsPlacesExpiration.js b/toolkit/components/places/nsPlacesExpiration.js
index 499934362..767a4d345 100644
--- a/toolkit/components/places/nsPlacesExpiration.js
+++ b/toolkit/components/places/nsPlacesExpiration.js
@@ -812,11 +812,8 @@ nsPlacesExpiration.prototype = {
 
   _loadPrefs: Task.async(function* () {
     // Get the user's limit, if it was set.
-    try {
-      // We want to silently fail since getIntPref throws if it does not exist,
-      // and use a default to fallback to.
-      this._urisLimit = this._prefBranch.getIntPref(PREF_MAX_URIS);
-    } catch (ex) { /* User limit not set */ }
+    this._urisLimit = this._prefBranch.getIntPref(PREF_MAX_URIS,
+                                                  PREF_MAX_URIS_NOTSET);
 
     if (this._urisLimit < 0) {
       // Some testing code expects a pref change to be synchronous, so
@@ -874,11 +871,8 @@ nsPlacesExpiration.prototype = {
                                 this._urisLimit);
 
     // Get the expiration interval value.
-    try {
-      // We want to silently fail since getIntPref throws if it does not exist,
-      // and use a default to fallback to.
-      this._interval = this._prefBranch.getIntPref(PREF_INTERVAL_SECONDS);
-    } catch (ex) { /* User interval not set */ }
+    this._interval = this._prefBranch.getIntPref(PREF_INTERVAL_SECONDS,
+                                                 PREF_INTERVAL_SECONDS_NOTSET);
     if (this._interval <= 0) {
       this._interval = PREF_INTERVAL_SECONDS_NOTSET;
     }
diff --git a/toolkit/components/places/tests/unit/test_000_frecency.js b/toolkit/components/places/tests/unit/test_000_frecency.js
index 0a7347a02..64ee86b59 100644
--- a/toolkit/components/places/tests/unit/test_000_frecency.js
+++ b/toolkit/components/places/tests/unit/test_000_frecency.js
@@ -56,14 +56,8 @@ var prefPrefix = "places.frecency.";
 function* task_initializeBucket(bucket) {
   let [cutoffName, weightName] = bucket;
   // get pref values
-  var weight = 0, cutoff = 0;
-  try {
-    weight = prefs.getIntPref(prefPrefix + weightName);
-  } catch (ex) {}
-  try {
-    cutoff = prefs.getIntPref(prefPrefix + cutoffName);
-  } catch (ex) {}
-
+  var weight = prefs.getIntPref(prefPrefix + weightName, 0);
+  var cutoff = prefs.getIntPref(prefPrefix + cutoffName, 0);
   if (cutoff < 1)
     return;
 
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