Get rid of the following dependencies from content:

content/renderer/render_process.h

 // Copyright (c) 2010 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_PROCESS_H_
 #define CONTENT_RENDERER_RENDER_PROCESS_H_
 #pragma once
 
 #include "content/common/child_process.h"
 #include "skia/ext/platform_canvas.h"
@@ skipping 30 matching lines @@
   virtual skia::PlatformCanvas* GetDrawingCanvas(TransportDIB** memory,
                                                  const gfx::Rect& rect) = 0;
 
   // Frees shared memory allocated by AllocSharedMemory.  You should only use
   // this function to free the SharedMemory object.
   virtual void ReleaseTransportDIB(TransportDIB* memory) = 0;
 
   // Returns true if plugisn should be loaded in-process.
   virtual bool UseInProcessPlugins() const = 0;
 
-  virtual bool HasInitializedMediaLibrary() const = 0;
-
   // Returns a pointer to the RenderProcess singleton instance. Assuming that
   // we're actually a renderer or a renderer test, this static cast will
   // be correct.
   static RenderProcess* current() {
     return static_cast<RenderProcess*>(ChildProcess::current());
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RenderProcess);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_PROCESS_H_