1 files changed, 5 insertions, 24 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();
       }