Begin to enable extension APIs in Extension Service Worker.

content/child/blink_platform_impl.h

 // 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.
 
 #ifndef CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_
 #define CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 104 matching lines @@
       const blink::WebString& value1,
       const blink::WebString& value2) override;
   void suddenTerminationChanged(bool enabled) override {}
   blink::WebThread* compositorThread() const override;
   blink::WebGestureCurve* createFlingAnimationCurve(
       blink::WebGestureDevice device_source,
       const blink::WebFloatPoint& velocity,
       const blink::WebSize& cumulative_scroll) override;
   void didStartWorkerThread() override;
   void willStopWorkerThread() override;
+  bool allowScriptExtensionForServiceWorker(
+      const blink::WebURL& script_url) override;
   blink::WebCrypto* crypto() override;
   blink::WebNotificationManager* notificationManager() override;
   blink::WebPushProvider* pushProvider() override;
   blink::WebPermissionClient* permissionClient() override;
   blink::WebSyncProvider* backgroundSyncProvider() override;
 
   blink::WebString domCodeStringFromEnum(int dom_code) override;
   int domEnumFromCodeString(const blink::WebString& codeString) override;
   blink::WebString domKeyStringFromEnum(int dom_key) override;
   int domKeyEnumFromString(const blink::WebString& key_string) override;
@@ skipping 24 matching lines @@
   scoped_refptr<PushDispatcher> push_dispatcher_;
   std::unique_ptr<PermissionDispatcher> permission_client_;
   std::unique_ptr<BackgroundSyncProvider> main_thread_sync_provider_;
 
   scheduler::WebThreadBase* compositor_thread_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_