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-rw-r--r--toolkit/components/asyncshutdown/AsyncShutdown.jsm29
-rw-r--r--toolkit/components/blocklist/nsBlocklistService.js11
-rw-r--r--toolkit/components/jsdownloads/src/DownloadIntegration.jsm6
-rw-r--r--toolkit/components/nsDefaultCLH.js8
-rw-r--r--toolkit/components/osfile/modules/osfile_async_front.jsm40
-rw-r--r--toolkit/components/places/PlacesCategoriesStarter.js7
-rw-r--r--toolkit/components/places/PlacesRemoteTabsAutocompleteProvider.jsm6
-rw-r--r--toolkit/components/places/UnifiedComplete.js5
-rw-r--r--toolkit/components/places/nsPlacesExpiration.js14
-rw-r--r--toolkit/components/places/tests/unit/test_000_frecency.js10
-rw-r--r--toolkit/components/printing/content/printPageSetup.js9
-rw-r--r--toolkit/components/printing/content/printdialog.js10
-rw-r--r--toolkit/components/printing/content/printjoboptions.js9
-rw-r--r--toolkit/components/search/current/nsSearchService.js38
-rw-r--r--toolkit/components/search/orginal/nsSearchService.js38
-rw-r--r--toolkit/components/telemetry/UITelemetry.jsm6
-rw-r--r--toolkit/components/url-classifier/nsUrlClassifierHashCompleter.js7
-rw-r--r--toolkit/components/urlformatter/tests/unit/test_urlformatter.js6
18 files changed, 55 insertions, 204 deletions
diff --git a/toolkit/components/asyncshutdown/AsyncShutdown.jsm b/toolkit/components/asyncshutdown/AsyncShutdown.jsm
index 62ac36f42..9cdf9e126 100644
--- a/toolkit/components/asyncshutdown/AsyncShutdown.jsm
+++ b/toolkit/components/asyncshutdown/AsyncShutdown.jsm
@@ -79,12 +79,8 @@ const DELAY_WARNING_MS = 10 * 1000;
// Crash the process if shutdown is really too long
// (allowing for sleep).
const PREF_DELAY_CRASH_MS = "toolkit.asyncshutdown.crash_timeout";
-var DELAY_CRASH_MS = 60 * 1000; // One minute
-try {
- DELAY_CRASH_MS = Services.prefs.getIntPref(PREF_DELAY_CRASH_MS);
-} catch (ex) {
- // Ignore errors
-}
+var DELAY_CRASH_MS = Services.prefs.getIntPref(PREF_DELAY_CRASH_MS,
+ 60 * 1000); // One minute
Services.prefs.addObserver(PREF_DELAY_CRASH_MS, function() {
DELAY_CRASH_MS = Services.prefs.getIntPref(PREF_DELAY_CRASH_MS);
}, false);
@@ -207,12 +203,7 @@ function log(msg, prefix = "", error = null) {
}
}
const PREF_DEBUG_LOG = "toolkit.asyncshutdown.log";
-var DEBUG_LOG = false;
-try {
- DEBUG_LOG = Services.prefs.getBoolPref(PREF_DEBUG_LOG);
-} catch (ex) {
- // Ignore errors
-}
+var DEBUG_LOG = Services.prefs.getBoolPref(PREF_DEBUG_LOG, false);
Services.prefs.addObserver(PREF_DEBUG_LOG, function() {
DEBUG_LOG = Services.prefs.getBoolPref(PREF_DEBUG_LOG);
}, false);
@@ -360,12 +351,7 @@ this.AsyncShutdown = {
* Access function getPhase. For testing purposes only.
*/
get _getPhase() {
- let accepted = false;
- try {
- accepted = Services.prefs.getBoolPref("toolkit.asyncshutdown.testing");
- } catch (ex) {
- // Ignore errors
- }
+ let accepted = Services.prefs.getBoolPref("toolkit.asyncshutdown.testing", false);
if (accepted) {
return getPhase;
}
@@ -464,12 +450,7 @@ function getPhase(topic) {
* notification. For testing purposes only.
*/
get _trigger() {
- let accepted = false;
- try {
- accepted = Services.prefs.getBoolPref("toolkit.asyncshutdown.testing");
- } catch (ex) {
- // Ignore errors
- }
+ let accepted = Services.prefs.getBoolPref("toolkit.asyncshutdown.testing", false);
if (accepted) {
return () => spinner.observe();
}
diff --git a/toolkit/components/blocklist/nsBlocklistService.js b/toolkit/components/blocklist/nsBlocklistService.js
index 49033fc8f..b0115e25d 100644
--- a/toolkit/components/blocklist/nsBlocklistService.js
+++ b/toolkit/components/blocklist/nsBlocklistService.js
@@ -238,16 +238,7 @@ function getLocale() {
/* Get the distribution pref values, from defaults only */
function getDistributionPrefValue(aPrefName) {
- var prefValue = "default";
-
- var defaults = gPref.getDefaultBranch(null);
- try {
- prefValue = defaults.getCharPref(aPrefName);
- } catch (e) {
- // use default when pref not found
- }
-
- return prefValue;
+ return gPref.getDefaultBranch(null).getCharPref(aPrefName, "default");
}
/**
diff --git a/toolkit/components/jsdownloads/src/DownloadIntegration.jsm b/toolkit/components/jsdownloads/src/DownloadIntegration.jsm
index 305284749..a6875ec48 100644
--- a/toolkit/components/jsdownloads/src/DownloadIntegration.jsm
+++ b/toolkit/components/jsdownloads/src/DownloadIntegration.jsm
@@ -368,11 +368,7 @@ this.DownloadIntegration = {
*/
getPreferredDownloadsDirectory: Task.async(function* () {
let directoryPath = null;
- let prefValue = 1;
-
- try {
- prefValue = Services.prefs.getIntPref("browser.download.folderList");
- } catch(e) {}
+ let prefValue = Services.prefs.getIntPref("browser.download.folderList", 1);
switch(prefValue) {
case 0: // Desktop
diff --git a/toolkit/components/nsDefaultCLH.js b/toolkit/components/nsDefaultCLH.js
index a081bae49..affbf75ee 100644
--- a/toolkit/components/nsDefaultCLH.js
+++ b/toolkit/components/nsDefaultCLH.js
@@ -104,13 +104,7 @@ nsDefaultCLH.prototype = {
// if the pref is missing, ignore the exception
try {
var chromeURI = prefs.getCharPref("toolkit.defaultChromeURI");
-
- var flags = "chrome,dialog=no,all";
- try {
- flags = prefs.getCharPref("toolkit.defaultChromeFeatures");
- }
- catch (e) { }
-
+ var flags = prefs.getCharPref("toolkit.defaultChromeFeatures", "chrome,dialog=no,all");
var wwatch = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
.getService(nsIWindowWatcher);
wwatch.openWindow(null, chromeURI, "_blank",
diff --git a/toolkit/components/osfile/modules/osfile_async_front.jsm b/toolkit/components/osfile/modules/osfile_async_front.jsm
index 93c7e66d6..1d1d7c73f 100644
--- a/toolkit/components/osfile/modules/osfile_async_front.jsm
+++ b/toolkit/components/osfile/modules/osfile_async_front.jsm
@@ -239,10 +239,9 @@ var Scheduler = this.Scheduler = {
* Prepare to kill the OS.File worker after a few seconds.
*/
restartTimer: function(arg) {
- let delay;
- try {
- delay = Services.prefs.getIntPref("osfile.reset_worker_delay");
- } catch(e) {
+ let delay = Services.prefs.getIntPref("osfile.reset_worker_delay", 0);
+
+ if (!delay) {
// Don't auto-shutdown if we don't have a delay preference set.
return;
}
@@ -469,42 +468,24 @@ const PREF_OSFILE_LOG = "toolkit.osfile.log";
const PREF_OSFILE_LOG_REDIRECT = "toolkit.osfile.log.redirect";
/**
- * Safely read a PREF_OSFILE_LOG preference.
- * Returns a value read or, in case of an error, oldPref or false.
- *
- * @param bool oldPref
- * An optional value that the DEBUG flag was set to previously.
- */
-function readDebugPref(prefName, oldPref = false) {
- let pref = oldPref;
- try {
- pref = Services.prefs.getBoolPref(prefName);
- } catch (x) {
- // In case of an error when reading a pref keep it as is.
- }
- // If neither pref nor oldPref were set, default it to false.
- return pref;
-};
-
-/**
* Listen to PREF_OSFILE_LOG changes and update gShouldLog flag
* appropriately.
*/
Services.prefs.addObserver(PREF_OSFILE_LOG,
function prefObserver(aSubject, aTopic, aData) {
- SharedAll.Config.DEBUG = readDebugPref(PREF_OSFILE_LOG, SharedAll.Config.DEBUG);
+ SharedAll.Config.DEBUG = Services.prefs.getBoolPref(PREF_OSFILE_LOG, SharedAll.Config.DEBUG);
if (Scheduler.launched) {
// Don't start the worker just to set this preference.
Scheduler.post("SET_DEBUG", [SharedAll.Config.DEBUG]);
}
}, false);
-SharedAll.Config.DEBUG = readDebugPref(PREF_OSFILE_LOG, false);
+SharedAll.Config.DEBUG = Services.prefs.getBoolPref(PREF_OSFILE_LOG, false);
Services.prefs.addObserver(PREF_OSFILE_LOG_REDIRECT,
function prefObserver(aSubject, aTopic, aData) {
- SharedAll.Config.TEST = readDebugPref(PREF_OSFILE_LOG_REDIRECT, OS.Shared.TEST);
+ SharedAll.Config.TEST = Services.prefs.getBoolPref(PREF_OSFILE_LOG_REDIRECT, OS.Shared.TEST);
}, false);
-SharedAll.Config.TEST = readDebugPref(PREF_OSFILE_LOG_REDIRECT, false);
+SharedAll.Config.TEST = Services.prefs.getBoolPref(PREF_OSFILE_LOG_REDIRECT, false);
/**
@@ -515,7 +496,7 @@ var nativeWheneverAvailable = true;
const PREF_OSFILE_NATIVE = "toolkit.osfile.native";
Services.prefs.addObserver(PREF_OSFILE_NATIVE,
function prefObserver(aSubject, aTopic, aData) {
- nativeWheneverAvailable = readDebugPref(PREF_OSFILE_NATIVE, nativeWheneverAvailable);
+ nativeWheneverAvailable = Services.prefs.getBoolPref(PREF_OSFILE_NATIVE, nativeWheneverAvailable);
}, false);
@@ -557,10 +538,9 @@ Services.prefs.addObserver(PREF_OSFILE_TEST_SHUTDOWN_OBSERVER,
function prefObserver() {
// The temporary phase topic used to trigger the unclosed
// phase warning.
- let TOPIC = null;
+ let TOPIC = Services.prefs.getCharPref(PREF_OSFILE_TEST_SHUTDOWN_OBSERVER,
+ "");
try {
- TOPIC = Services.prefs.getCharPref(
- PREF_OSFILE_TEST_SHUTDOWN_OBSERVER);
} catch (x) {
}
if (TOPIC) {
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;
diff --git a/toolkit/components/printing/content/printPageSetup.js b/toolkit/components/printing/content/printPageSetup.js
index 31eb1bdd3..6bcd97207 100644
--- a/toolkit/components/printing/content/printPageSetup.js
+++ b/toolkit/components/printing/content/printPageSetup.js
@@ -65,14 +65,7 @@ function initDialog()
// ---------------------------------------------------
function isListOfPrinterFeaturesAvailable()
{
- var has_printerfeatures = false;
-
- try {
- has_printerfeatures = gPrefs.getBoolPref("print.tmp.printerfeatures." + gPrintSettings.printerName + ".has_special_printerfeatures");
- } catch (ex) {
- }
-
- return has_printerfeatures;
+ return gPrefs.getBoolPref("print.tmp.printerfeatures." + gPrintSettings.printerName + ".has_special_printerfeatures", false);
}
// ---------------------------------------------------
diff --git a/toolkit/components/printing/content/printdialog.js b/toolkit/components/printing/content/printdialog.js
index e5a38ddce..f9ed94bad 100644
--- a/toolkit/components/printing/content/printdialog.js
+++ b/toolkit/components/printing/content/printdialog.js
@@ -79,15 +79,7 @@ function stripTrailingWhitespace(element)
// ---------------------------------------------------
function getPrinterDescription(printerName)
{
- var s = "";
-
- try {
- /* This may not work with non-ASCII test (see bug 235763 comment #16) */
- s = gPrefs.getCharPref("print.printer_" + printerName + ".printer_description")
- } catch (e) {
- }
-
- return s;
+ return gPrefs.getCharPref("print.printer_" + printerName + ".printer_description", "")
}
// ---------------------------------------------------
diff --git a/toolkit/components/printing/content/printjoboptions.js b/toolkit/components/printing/content/printjoboptions.js
index 26f3ffd85..098358940 100644
--- a/toolkit/components/printing/content/printjoboptions.js
+++ b/toolkit/components/printing/content/printjoboptions.js
@@ -33,14 +33,7 @@ function checkDouble(element, maxVal)
// ---------------------------------------------------
function isListOfPrinterFeaturesAvailable()
{
- var has_printerfeatures = false;
-
- try {
- has_printerfeatures = gPrefs.getBoolPref("print.tmp.printerfeatures." + gPrintSettings.printerName + ".has_special_printerfeatures");
- } catch (ex) {
- }
-
- return has_printerfeatures;
+ return gPrefs.getBoolPref("print.tmp.printerfeatures." + gPrintSettings.printerName + ".has_special_printerfeatures", false);
}
// ---------------------------------------------------
diff --git a/toolkit/components/search/current/nsSearchService.js b/toolkit/components/search/current/nsSearchService.js
index 2a8601078..66866540a 100644
--- a/toolkit/components/search/current/nsSearchService.js
+++ b/toolkit/components/search/current/nsSearchService.js
@@ -390,12 +390,7 @@ function isPartnerBuild() {
// Method to determine if we should be using geo-specific defaults
function geoSpecificDefaultsEnabled() {
- let geoSpecificDefaults = false;
- try {
- geoSpecificDefaults = Services.prefs.getBoolPref("browser.search.geoSpecificDefaults");
- } catch (e) {}
-
- return geoSpecificDefaults;
+ return Services.prefs.getBoolPref("browser.search.geoSpecificDefaults", false);
}
// Some notes on countryCode and region prefs:
@@ -500,11 +495,7 @@ function isUSTimezone() {
// If it fails we don't touch that pref so isUS() does its normal thing.
var ensureKnownCountryCode = Task.async(function* (ss) {
// If we have a country-code already stored in our prefs we trust it.
- let countryCode;
- try {
- countryCode = Services.prefs.getCharPref("browser.search.countryCode");
- } catch (e) {}
-
+ let countryCode = Services.prefs.getCharPref("browser.search.countryCode", "");
if (!countryCode) {
// We don't have it cached, so fetch it. fetchCountryCode() will call
// storeCountryCode if it gets a result (even if that happens after the
@@ -726,10 +717,7 @@ var fetchRegionDefault = (ss) => new Promise(resolve => {
// Append the optional cohort value.
const cohortPref = "browser.search.cohort";
- let cohort;
- try {
- cohort = Services.prefs.getCharPref(cohortPref);
- } catch (e) {}
+ let cohort = Services.prefs.getCharPref(cohortPref, "");
if (cohort)
endpoint += "/" + cohort;
@@ -993,19 +981,13 @@ function QueryParameter(aName, aValue, aPurpose) {
function ParamSubstitution(aParamValue, aSearchTerms, aEngine) {
var value = aParamValue;
- var distributionID = Services.appinfo.distributionID;
- try {
- distributionID = Services.prefs.getCharPref(BROWSER_SEARCH_PREF + "distributionID");
- }
- catch (ex) { }
- var official = MOZ_OFFICIAL;
- try {
- if (Services.prefs.getBoolPref(BROWSER_SEARCH_PREF + "official"))
- official = "official";
- else
- official = "unofficial";
- }
- catch (ex) { }
+ var distributionID = Services.prefs.getCharPref(BROWSER_SEARCH_PREF + "distributionID",
+ Services.appinfo.distributionID || "");
+ var official;
+ if (Services.prefs.getBoolPref(BROWSER_SEARCH_PREF + "official", MOZ_OFFICIAL))
+ official = "official";
+ else
+ official = "unofficial";
// Custom search parameters. These are only available to default search
// engines.
diff --git a/toolkit/components/search/orginal/nsSearchService.js b/toolkit/components/search/orginal/nsSearchService.js
index 5b5ce7a57..c4481df5f 100644
--- a/toolkit/components/search/orginal/nsSearchService.js
+++ b/toolkit/components/search/orginal/nsSearchService.js
@@ -418,12 +418,7 @@ function isPartnerBuild() {
// Method to determine if we should be using geo-specific defaults
function geoSpecificDefaultsEnabled() {
- let geoSpecificDefaults = false;
- try {
- geoSpecificDefaults = Services.prefs.getBoolPref("browser.search.geoSpecificDefaults");
- } catch(e) {}
-
- return geoSpecificDefaults;
+ return Services.prefs.getBoolPref("browser.search.geoSpecificDefaults", false);
}
// Some notes on countryCode and region prefs:
@@ -528,11 +523,7 @@ function isUSTimezone() {
// If it fails we don't touch that pref so isUS() does its normal thing.
var ensureKnownCountryCode = Task.async(function* () {
// If we have a country-code already stored in our prefs we trust it.
- let countryCode;
- try {
- countryCode = Services.prefs.getCharPref("browser.search.countryCode");
- } catch(e) {}
-
+ let countryCode = Services.prefs.getCharPref("browser.search.countryCode", "");
if (!countryCode) {
// We don't have it cached, so fetch it. fetchCountryCode() will call
// storeCountryCode if it gets a result (even if that happens after the
@@ -732,10 +723,7 @@ var fetchRegionDefault = () => new Promise(resolve => {
// Append the optional cohort value.
const cohortPref = "browser.search.cohort";
- let cohort;
- try {
- cohort = Services.prefs.getCharPref(cohortPref);
- } catch(e) {}
+ let cohort = Services.prefs.getCharPref(cohortPref, "");
if (cohort)
endpoint += "/" + cohort;
@@ -1034,19 +1022,13 @@ function QueryParameter(aName, aValue, aPurpose) {
function ParamSubstitution(aParamValue, aSearchTerms, aEngine) {
var value = aParamValue;
- var distributionID = MOZ_DISTRIBUTION_ID;
- try {
- distributionID = Services.prefs.getCharPref(BROWSER_SEARCH_PREF + "distributionID");
- }
- catch (ex) { }
- var official = MOZ_OFFICIAL;
- try {
- if (Services.prefs.getBoolPref(BROWSER_SEARCH_PREF + "official"))
- official = "official";
- else
- official = "unofficial";
- }
- catch (ex) { }
+ var distributionID = Services.prefs.getCharPref(BROWSER_SEARCH_PREF + "distributionID",
+ MOZ_DISTRIBUTION_ID || "");
+ var official;
+ if (Services.prefs.getBoolPref(BROWSER_SEARCH_PREF + "official", MOZ_OFFICIAL))
+ official = "official";
+ else
+ official = "unofficial";
// Custom search parameters. These are only available to default search
// engines.
diff --git a/toolkit/components/telemetry/UITelemetry.jsm b/toolkit/components/telemetry/UITelemetry.jsm
index bd7a34b72..231b52e23 100644
--- a/toolkit/components/telemetry/UITelemetry.jsm
+++ b/toolkit/components/telemetry/UITelemetry.jsm
@@ -36,11 +36,7 @@ this.UITelemetry = {
Services.obs.addObserver(this, "profile-before-change", false);
// Pick up the current value.
- try {
- this._enabled = Services.prefs.getBoolPref(PREF_ENABLED);
- } catch (e) {
- this._enabled = false;
- }
+ this._enabled = Services.prefs.getBoolPref(PREF_ENABLED, false);
return this._enabled;
},
diff --git a/toolkit/components/url-classifier/nsUrlClassifierHashCompleter.js b/toolkit/components/url-classifier/nsUrlClassifierHashCompleter.js
index ba4bf225a..5d462c90d 100644
--- a/toolkit/components/url-classifier/nsUrlClassifierHashCompleter.js
+++ b/toolkit/components/url-classifier/nsUrlClassifierHashCompleter.js
@@ -20,12 +20,7 @@ Cu.import("resource://gre/modules/NetUtil.jsm");
// Log only if browser.safebrowsing.debug is true
function log(...stuff) {
- let logging = null;
- try {
- logging = Services.prefs.getBoolPref("browser.safebrowsing.debug");
- } catch(e) {
- return;
- }
+ let logging = Services.prefs.getBoolPref("browser.safebrowsing.debug", false);
if (!logging) {
return;
}
diff --git a/toolkit/components/urlformatter/tests/unit/test_urlformatter.js b/toolkit/components/urlformatter/tests/unit/test_urlformatter.js
index 393b0dc33..6f218822a 100644
--- a/toolkit/components/urlformatter/tests/unit/test_urlformatter.js
+++ b/toolkit/components/urlformatter/tests/unit/test_urlformatter.js
@@ -27,11 +27,9 @@ function run_test() {
QueryInterface(Ci.nsIXULRuntime);
var abi = macutils && macutils.isUniversalBinary ? "Universal-gcc3" : appInfo.XPCOMABI;
- let channel = "default";
let defaults = prefs.QueryInterface(Ci.nsIPrefService).getDefaultBranch(null);
- try {
- channel = defaults.getCharPref("app.update.channel");
- } catch (e) {}
+ let channel = defaults.getCharPref("app.update.channel", "default");
+
// Set distribution values.
defaults.setCharPref("distribution.id", "bacon");
defaults.setCharPref("distribution.version", "1.0");