cc:: Add RenderingStatsInstrumentation to manage collection of RenderingStats

cc/layer_tree_host.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_H_
 #define CC_LAYER_TREE_HOST_H_
 
 #include <limits>
 
 #include "base/basictypes.h"
 #include "base/cancelable_callback.h"
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time.h"
 #include "cc/animation_events.h"
 #include "cc/cc_export.h"
 #include "cc/layer_tree_host_client.h"
 #include "cc/layer_tree_host_common.h"
 #include "cc/layer_tree_settings.h"
 #include "cc/occlusion_tracker.h"
 #include "cc/output_surface.h"
 #include "cc/proxy.h"
 #include "cc/rate_limiter.h"
 #include "cc/rendering_stats.h"
+#include "cc/rendering_stats_recorder.h"

[danakj, 2013/03/13 17:25:41]

forward declare the class here, include the .h from layer_tree_host.cc

[egraether, 2013/03/14 18:58:07]

Done.

 #include "cc/scoped_ptr_vector.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "ui/gfx/rect.h"
 
 #if defined(COMPILER_GCC)
 namespace BASE_HASH_NAMESPACE {
 template<>
 struct hash<WebKit::WebGraphicsContext3D*> {
@@ skipping 94 matching lines @@
     void finishAllRendering();
 
     void setDeferCommits(bool deferCommits);
 
     // Test only hook
     virtual void didDeferCommit();
 
     int commitNumber() const { return m_commitNumber; }
 
     void renderingStats(RenderingStats*) const;
+    RenderingStatsRecorder* renderingStatsRecorder() const;
 
     const RendererCapabilities& rendererCapabilities() const;
 
     void setNeedsAnimate();
     // virtual for testing
     virtual void setNeedsCommit();
     virtual void setNeedsFullTreeSync();
     void setNeedsRedraw();
     bool commitRequested() const;
 
@@ skipping 62 matching lines @@
     bool initializeForTesting(scoped_ptr<Proxy> proxyForTesting);
 
 private:
     typedef std::vector<scoped_refptr<Layer> > LayerList;
 
     bool initializeProxy(scoped_ptr<Proxy> proxy);
     void initializeRenderer();
 
     void update(Layer*, ResourceUpdateQueue&, const OcclusionTracker*);
     bool paintLayerContents(const LayerList&, ResourceUpdateQueue&);
-    bool paintMasksForRenderSurface(Layer*, ResourceUpdateQueue&);
+    bool paintMasksForRenderSurface(Layer*, ResourceUpdateQueue&, RenderingStats*);
 
     void updateLayers(Layer*, ResourceUpdateQueue&);
     void updateHudLayer();
     void triggerPrepaint();
 
     void prioritizeTextures(const LayerList&, OverdrawMetrics&); 
     void setPrioritiesForSurfaces(size_t surfaceMemoryBytes);
     void setPrioritiesForLayers(const LayerList&);
     size_t calculateMemoryForRenderSurfaces(const LayerList& updateList);
 
     void animateLayers(base::TimeTicks monotonicTime);
     bool animateLayersRecursive(Layer* current, base::TimeTicks time);
     void setAnimationEventsRecursive(const AnimationEventsVector&, Layer*, base::Time wallClockTime);
 
     bool m_animating;
     bool m_needsFullTreeSync;
     bool m_needsFilterContext;
 
     base::CancelableClosure m_prepaintCallback;
 
     LayerTreeHostClient* m_client;
     scoped_ptr<Proxy> m_proxy;
 
     int m_commitNumber;
-    RenderingStats m_renderingStats;
+    scoped_ptr<RenderingStatsRecorder> m_renderingStatsRecorder;
 
     bool m_rendererInitialized;
     bool m_outputSurfaceLost;
     int m_numFailedRecreateAttempts;
 
     scoped_refptr<Layer> m_rootLayer;
     scoped_refptr<HeadsUpDisplayLayer> m_hudLayer;
 
     scoped_ptr<PrioritizedResourceManager> m_contentsTextureManager;
     scoped_ptr<PrioritizedResource> m_surfaceMemoryPlaceholder;
@@ skipping 24 matching lines @@
     size_t m_partialTextureUpdateRequests;
 
     scoped_ptr<AnimationRegistrar> m_animationRegistrar;
 
     DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYER_TREE_HOST_H_