[Extensions] Add more bindings access checks

chrome/renderer/extensions/notifications_native_handler.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/extensions/notifications_native_handler.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "chrome/common/extensions/api/notifications/notification_style.h"
 #include "content/public/child/v8_value_converter.h"
 #include "extensions/renderer/script_context.h"
 #include "ui/base/layout.h"
 
 namespace extensions {
 
 NotificationsNativeHandler::NotificationsNativeHandler(ScriptContext* context)
     : ObjectBackedNativeHandler(context) {
   RouteFunction(
-      "GetNotificationImageSizes",
+      "GetNotificationImageSizes", "notifications",
       base::Bind(&NotificationsNativeHandler::GetNotificationImageSizes,
                  base::Unretained(this)));
 }
 
 void NotificationsNativeHandler::GetNotificationImageSizes(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   NotificationBitmapSizes bitmap_sizes = GetNotificationBitmapSizes();
 
   float scale_factor =
       ui::GetScaleForScaleFactor(ui::GetSupportedScaleFactors().back());
@@ skipping 11 matching lines @@
   dict->SetInteger("appIconMask.height",
                    bitmap_sizes.app_icon_mask_size.height());
 
   scoped_ptr<content::V8ValueConverter> converter(
       content::V8ValueConverter::create());
   args.GetReturnValue().Set(
       converter->ToV8Value(dict.get(), context()->v8_context()));
 }
 
 }  // namespace extensions