Remove WebMediaPlayerImpl::GetClient() because it's useless.

content/renderer/media/webmediaplayer_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.
 
 // Delegate calls from WebCore::MediaPlayerPrivate to Chrome's video player.
 // It contains Pipeline which is the actual media player pipeline, it glues
 // the media player pipeline, data source, audio renderer and renderer.
 // Pipeline would creates multiple threads and access some public methods
 // of this class, so we need to be extra careful about concurrent access of
 // methods and members.
@@ skipping 205 matching lines @@
   void StartPipeline();
 
   // Helpers that set the network/ready state and notifies the client if
   // they've changed.
   void SetNetworkState(blink::WebMediaPlayer::NetworkState state);
   void SetReadyState(blink::WebMediaPlayer::ReadyState state);
 
   // Destroy resources held.
   void Destroy();
 
-  // Getter method to |client_|.
-  blink::WebMediaPlayerClient* GetClient();
-
   // Lets V8 know that player uses extra resources not managed by V8.
   void IncrementExternallyAllocatedMemory();
 
   // Actually do the work for generateKeyRequest/addKey so they can easily
   // report results to UMA.
   MediaKeyException GenerateKeyRequestInternal(
       const blink::WebString& key_system,
       const unsigned char* init_data,
       unsigned init_data_length);
   MediaKeyException AddKeyInternal(const blink::WebString& key_system,
@@ skipping 133 matching lines @@
 
   // Text track objects get a unique index value when they're created.
   int text_track_index_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_IMPL_H_