Add video-rendering to mojo media pipeline.

media/mojo/services/mojo_renderer_service.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 MEDIA_MOJO_SERVICES_MOJO_RENDERER_SERVICE_H_
 #define MEDIA_MOJO_SERVICES_MOJO_RENDERER_SERVICE_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/timer/timer.h"
 #include "media/base/buffering_state.h"
 #include "media/base/pipeline_status.h"
 #include "media/mojo/interfaces/renderer.mojom.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 
+namespace gfx {
+class Size;
+}  // namespace gfx
+
 namespace media {
 
 class DemuxerStreamProviderShim;
 class MediaKeys;
 class MojoCdmServiceContext;
 class Renderer;
 
 // An interfaces::Renderer implementation that use a media::Renderer to render
 // media streams.
 class MojoRendererService : interfaces::Renderer {
@@ skipping 41 matching lines @@
   // if the media time has changed since the last update.  If |force| is true,
   // the client is notified even if the time is unchanged.
   void UpdateMediaTime(bool force);
   void CancelPeriodicMediaTimeUpdates();
   void SchedulePeriodicMediaTimeUpdates();
 
   // Callback executed by audio renderer when buffering state changes.
   // TODO(tim): Need old and new.
   void OnBufferingStateChanged(BufferingState new_buffering_state);
 
+  // Callback executed by video renderer when video natural size changes.
+  void OnNaturalSizeChanged(const gfx::Size& size);
+
   // Callback executed when a renderer has ended.
   void OnRendererEnded();
 
   // Callback executed when a runtime error happens.
   void OnError(PipelineStatus error);
 
   // Callback executed once Flush() completes.
   void OnFlushCompleted(const mojo::Closure& callback);
 
   // Callback executed once SetCdm() completes.
@@ skipping 25 matching lines @@
 
   base::WeakPtr<MojoRendererService> weak_this_;
   base::WeakPtrFactory<MojoRendererService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoRendererService);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MOJO_SERVICES_MOJO_RENDERER_SERVICE_H_