Remove background_alias_do_not_use_permission

BUG=142517


Review URL: https://chromiumcodereview.appspot.com/10829309

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@151519 0039d316-1c4b-4281-b951-d872f2087c98

chrome/common/extensions/manifest_tests/extension_manifests_background_unittest.cc

@@ -22,11 +22,6 @@ namespace extensions {
 TEST_F(ExtensionManifestTest, BackgroundPermission) {
   LoadAndExpectError("background_permission.json",
                      errors::kBackgroundPermissionNeeded);
-
-  scoped_refptr<Extension> extension;
-  extension = LoadAndExpectSuccess("background_permission_alias.json");
-  EXPECT_TRUE(extension->HasAPIPermission(
-        extensions::APIPermission::kBackground));
 }
 
 TEST_F(ExtensionManifestTest, BackgroundScripts) {

chrome/common/extensions/permissions/api_permission.cc

@@ -12,7 +12,6 @@ namespace {
 
 const char kOldUnlimitedStoragePermission[] = "unlimited_storage";
 const char kWindowsPermission[] = "windows";
-const char kTemporaryBackgroundAlias[] = "background_alias_do_not_use";
 
 }  // namespace
 
@@ -187,9 +186,6 @@ void APIPermission::RegisterAllPermissions(
   // Register aliases.
   info->RegisterAlias("unlimitedStorage", kOldUnlimitedStoragePermission);
   info->RegisterAlias("tabs", kWindowsPermission);
-  // TODO(mihaip): Should be removed for the M20 branch, see
-  // http://crbug.com/120447 for more details.
-  info->RegisterAlias("background", kTemporaryBackgroundAlias);
 }
 
 }  // namespace extensions

chrome/test/data/extensions/manifest_tests/background_permission_alias.json

-{
-  "name": "test",
-  "version": "1",
-  "app": {
-    "urls": [
-      "http://www.example.com/"
-    ],
-    "launch": {
-      "web_url": "http://www.example.com/"
-    }
-  },
-  "permissions": [
-    "background_alias_do_not_use"
-  ]
-}