Send compositor frame IPC with metadata.

cc/layer_tree_host_impl.h

 // Copyright 2011 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 CC_LAYER_TREE_HOST_IMPL_H_
 #define CC_LAYER_TREE_HOST_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
 #include "cc/animation_events.h"
 #include "cc/cc_export.h"
 #include "cc/input_handler.h"
 #include "cc/output_surface_client.h"
 #include "cc/render_pass.h"
 #include "cc/render_pass_sink.h"
 #include "cc/renderer.h"
 #include "cc/tile_manager.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/rect.h"
 
 namespace cc {
 
 class CompletionEvent;
+class CompositorFrameMetadata;
 class DebugRectHistory;
 class FrameRateCounter;
 class LayerImpl;
 class LayerTreeHostImplTimeSourceAdapter;
 class LayerTreeImpl;
 class PageScaleAnimation;
 class RenderPassDrawQuad;
 class ResourceProvider;
 struct RendererCapabilities;
 struct RenderingStats;
@@ skipping 129 matching lines @@
     // RendererClient implementation
     virtual const gfx::Size& deviceViewportSize() const OVERRIDE;
     virtual const LayerTreeSettings& settings() const OVERRIDE;
     virtual void didLoseOutputSurface() OVERRIDE;
     virtual void onSwapBuffersComplete() OVERRIDE;
     virtual void setFullRootLayerDamage() OVERRIDE;
     virtual void setManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE;
     virtual void enforceManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE;
     virtual bool hasImplThread() const OVERRIDE;
     virtual bool shouldClearRootRenderPass() const OVERRIDE;
+    virtual CompositorFrameMetadata makeCompositorFrameMetadata() const OVERRIDE;
 
     // TileManagerClient implementation.
     virtual void ScheduleManageTiles() OVERRIDE;
     virtual void ScheduleCheckForCompletedSetPixels() OVERRIDE;
 
     // OutputSurfaceClient implementation.
     virtual void OnVSyncParametersChanged(base::TimeTicks timebase, base::TimeDelta interval) OVERRIDE;
     virtual void OnSendFrameToParentCompositorAck(const CompositorFrameAck&) OVERRIDE;
 
     // Called from LayerTreeImpl.
@@ skipping 217 matching lines @@
     size_t m_lastSentMemoryVisibleBytes;
     size_t m_lastSentMemoryVisibleAndNearbyBytes;
     size_t m_lastSentMemoryUseBytes;
 
     DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYER_TREE_HOST_IMPL_H_