Move gpu memory calculations to Compositor.

content/renderer/gpu/render_widget_compositor.h

 // Copyright (c) 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 CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_
 #define CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "cc/input/top_controls_state.h"
+#include "cc/output/managed_memory_policy.h"
 #include "cc/output/swap_promise.h"
 #include "cc/trees/layer_tree_host_client.h"
 #include "cc/trees/layer_tree_host_single_thread_client.h"
 #include "cc/trees/layer_tree_settings.h"
 #include "cc/trees/swap_promise_monitor.h"
 #include "content/common/content_export.h"
 #include "content/renderer/gpu/compositor_dependencies.h"
 #include "third_party/WebKit/public/platform/WebLayerTreeView.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/geometry/rect.h"
@@ skipping 48 matching lines @@
   void SetNeedsCommit();
   void NotifyInputThrottledUntilCommit();
   const cc::Layer* GetRootLayer() const;
   int ScheduleMicroBenchmark(
       const std::string& name,
       scoped_ptr<base::Value> value,
       const base::Callback<void(scoped_ptr<base::Value>)>& callback);
   bool SendMessageToMicroBenchmark(int id, scoped_ptr<base::Value> value);
   void StartCompositor();
   void SetSurfaceIdNamespace(uint32_t surface_id_namespace);
+  cc::ManagedMemoryPolicy GetGpuMemoryPolicy(cc::ManagedMemoryPolicy& policy);

[ccameron, 2015/09/14 17:44:51]

nit: |policy| should be const reference.

[sohanjg, 2015/09/15 10:37:48]

Done.

 
   // WebLayerTreeView implementation.
   virtual void setRootLayer(const blink::WebLayer& layer);
   virtual void clearRootLayer();
   virtual void attachCompositorAnimationTimeline(
       blink::WebCompositorAnimationTimeline* compositor_timeline);
   virtual void detachCompositorAnimationTimeline(
       blink::WebCompositorAnimationTimeline* compositor_timeline);
   virtual void setViewportSize(
       const blink::WebSize& unused_deprecated,
@@ skipping 104 matching lines @@
 
   blink::WebLayoutAndPaintAsyncCallback* layout_and_paint_async_callback_;
   scoped_ptr<cc::CopyOutputRequest> temporary_copy_output_request_;
 
   base::WeakPtrFactory<RenderWidgetCompositor> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_