2 files changed, 20 insertions, 56 deletions

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.