media: Add MediaOzonePlatform support

ui/ozone/ozone_platform.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 UI_OZONE_OZONE_PLATFORM_H_
 #define UI_OZONE_OZONE_PLATFORM_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/ozone/ozone_export.h"
 
+// TODO(vignatti): is content layer here alright?
+namespace content {
+class VideoDecodeFactoryOzone;
+}
+
 namespace gfx {
 class SurfaceFactoryOzone;
 }
 
 namespace ui {
 
 class CursorFactoryOzone;
 class EventFactoryOzone;
 class InputMethodContextFactoryOzone;
 class NativeDisplayDelegate;
@@ skipping 19 matching lines @@
 
   // Initialize the platform. Once complete, SurfaceFactoryOzone &
   // EventFactoryOzone will be set.
   static void Initialize();
 
   static OzonePlatform* GetInstance();
 
   // Factory getters to override in subclasses. The returned objects will be
   // injected into the appropriate layer at startup. Subclasses should not
   // inject these objects themselves. Ownership is retained by OzonePlatform.
+  virtual content::VideoDecodeFactoryOzone*
+      GetVideoDecodeFactoryOzone() = 0;
   virtual gfx::SurfaceFactoryOzone* GetSurfaceFactoryOzone() = 0;
   virtual ui::EventFactoryOzone* GetEventFactoryOzone() = 0;
   virtual ui::InputMethodContextFactoryOzone*
       GetInputMethodContextFactoryOzone() = 0;
   virtual ui::CursorFactoryOzone* GetCursorFactoryOzone() = 0;
 #if defined(OS_CHROMEOS)
   virtual scoped_ptr<ui::NativeDisplayDelegate>
       CreateNativeDisplayDelegate() = 0;
 #endif
 
  private:
   static OzonePlatform* instance_;
 
   DISALLOW_COPY_AND_ASSIGN(OzonePlatform);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_OZONE_PLATFORM_H_