extensions: Fix common misspellings (excluding comments)

Bug: 750830
Change-Id: I98830d02a56b733dc5e631a8e10d9e55e2a5a6fb
Reviewed-on: https://chromium-review.googlesource.com/600327Reviewed-by: Ben Wells <benwells@chromium.org>
Commit-Queue: Julien Brianceau <jbriance@cisco.com>
Cr-Commit-Position: refs/heads/master@{#491977}

extensions/browser/api/bluetooth_low_energy/bluetooth_low_energy_api.cc

@@ -76,7 +76,7 @@ const char kErrorIndicatePropertyNotSet[] =
 const char kErrorServiceNotRegistered[] =
     "The characteristic is not owned by a service that is registered.";
 const char kErrorUnknownNotificationError[] =
-    "An unknown notification error occured.";
+    "An unknown notification error occurred.";
 
 const char kStatusAdvertisementAlreadyExists[] =
     "An advertisement is already advertising";

extensions/browser/updater/extension_downloader.cc

@@ -501,7 +501,7 @@ void ExtensionDownloader::CreateManifestFetcher() {
           cookies_allowed: NO
           setting:
             "This feature cannot be disabled. It is only enabled when the user "
-            "has installed extentions."
+            "has installed extensions."
           chrome_policy {
             ExtensionInstallBlacklist {
               policy_options {mode: MANDATORY}
@@ -821,7 +821,7 @@ void ExtensionDownloader::CreateExtensionFetcher() {
           trigger:
             "An update check indicates an extension update is available."
           data:
-            "URL and required data to specify the extention to download. "
+            "URL and required data to specify the extension to download. "
             "OAuth2 token is also sent if connection is secure and to Google."
           destination: WEBSITE
         }
@@ -830,7 +830,7 @@ void ExtensionDownloader::CreateExtensionFetcher() {
           cookies_store: "user"
           setting:
             "This feature cannot be disabled. It is only enabled when the user "
-            "has installed extentions and it needs updating."
+            "has installed extensions and it needs updating."
           chrome_policy {
             ExtensionInstallBlacklist {
               policy_options {mode: MANDATORY}

extensions/test/data/api_test/display_source/api/background.js

@@ -9,7 +9,7 @@ var testGetAvailableSinks = function() {
     chrome.test.assertEq(1, sink.id);
     chrome.test.assertEq("Disconnected", sink.state);
     chrome.test.assertEq("sink 1", sink.name);
-    chrome.test.succeed("GetAvailableSinks succeded");
+    chrome.test.succeed("GetAvailableSinks succeeded");
   };
   chrome.displaySource.getAvailableSinks(callback);
 };
@@ -30,7 +30,7 @@ var testRequestAuthentication = function() {
   var callback = function(auth_info) {
     chrome.test.assertEq("PIN", auth_info.method);
     chrome.test.assertEq(undefined, auth_info.data);
-    chrome.test.succeed("RequestAuthentication succeded");
+    chrome.test.succeed("RequestAuthentication succeeded");
   };
   chrome.displaySource.requestAuthentication(1, callback);
 };

extensions/test/data/app_view/apitest/main.js

@@ -108,7 +108,7 @@ function testAppViewWithUndefinedDataShouldSucceed(appToEmbed) {
   LOG('appToEmbed  ' + appToEmbed);
   document.body.appendChild(appview);
   // Step 1: Attempt to connect to a non-existant app (abc123).
-  LOG('Attempting to connect to non-existant app.');
+  LOG('Attempting to connect to non-existent app.');
   appview.connect('abc123', undefined, function(success) {
     // Make sure we fail.
     if (success) {
@@ -116,7 +116,7 @@ function testAppViewWithUndefinedDataShouldSucceed(appToEmbed) {
       embedder.test.fail();
       return;
     }
-    LOG('failed to connect to non-existant app.');
+    LOG('failed to connect to non-existent app.');
     LOG('attempting to connect to known app.');
     // Step 2: Attempt to connect to an app we know exists.
     appview.connect(appToEmbed, undefined, function(success) {