media: Make |web_encrypted_media_client_| a scoped_ptr.

content/renderer/render_frame_impl.h

 // Copyright 2013 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_RENDERER_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/id_map.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/process/process_handle.h"
 #include "content/common/accessibility_mode_enums.h"
 #include "content/common/frame_message_enums.h"
 #include "content/common/mojo/service_registry_impl.h"
 #include "content/public/common/javascript_message_type.h"
 #include "content/public/common/referrer.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/renderer/render_frame_proxy.h"
@@ skipping 767 matching lines @@
   // along with the RenderFrame automatically.  This is why we just store weak
   // references.
 
   // Dispatches permission requests for Web Notifications.
   NotificationPermissionDispatcher* notification_permission_dispatcher_;
 
   // Destroyed via the RenderFrameObserver::OnDestruct() mechanism.
   UserMediaClientImpl* web_user_media_client_;
 
   // EncryptedMediaClient attached to this frame; lazily initialized.
-  media::WebEncryptedMediaClientImpl* web_encrypted_media_client_;
+  scoped_ptr<media::WebEncryptedMediaClientImpl> web_encrypted_media_client_;
 
   // MidiClient attached to this frame; lazily initialized.
   MidiDispatcher* midi_dispatcher_;
 
 #if defined(OS_ANDROID)
   // Manages all media players in this render frame for communicating with the
   // real media player in the browser process. It's okay to use a raw pointer
   // since it's a RenderFrameObserver.
   RendererMediaPlayerManager* media_player_manager_;
 #endif
@@ skipping 40 matching lines @@
 #endif
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_