cc:: Add RenderingStatsInstrumentation to manage collection of RenderingStats

cc/tile_manager.h

 // Copyright 2012 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_TILE_MANAGER_H_
 #define CC_TILE_MANAGER_H_
 
 #include <list>
 #include <queue>
 #include <set>
 #include <vector>
 
 #include "base/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "cc/memory_history.h"
 #include "cc/picture_pile_impl.h"
-#include "cc/rendering_stats.h"
+#include "cc/rendering_stats_recorder.h"
 #include "cc/resource_pool.h"
 #include "cc/tile_priority.h"
 #include "cc/worker_pool.h"
 
 namespace cc {
 class RasterWorkerPool;
 class ResourceProvider;
 class Tile;
 class TileVersion;
 
@@ skipping 70 matching lines @@
 
 // This class manages tiles, deciding which should get rasterized and which
 // should no longer have any memory assigned to them. Tile objects are "owned"
 // by layers; they automatically register with the manager when they are
 // created, and unregister from the manager when they are deleted.
 class CC_EXPORT TileManager : public WorkerPoolClient {
  public:
   TileManager(TileManagerClient* client,
               ResourceProvider *resource_provider,
               size_t num_raster_threads,
+              RenderingStatsRecorder* rendering_stats_recorder,
               bool use_cheapess_estimator,
               bool use_color_estimator,
               bool prediction_benchmarking);
   virtual ~TileManager();
 
   const GlobalStateThatImpactsTilePriority& GlobalState() const {
       return global_state_;
   }
   void SetGlobalState(const GlobalStateThatImpactsTilePriority& state);
 
   void ManageTiles();
   void CheckForCompletedTileUploads();
   void AbortPendingTileUploads();
   void DidCompleteFrame();
 
   scoped_ptr<base::Value> BasicStateAsValue() const;
   scoped_ptr<base::Value> AllTilesAsValue() const;
   void GetMemoryStats(size_t* memoryRequiredBytes,
                       size_t* memoryNiceToHaveBytes,
                       size_t* memoryUsedBytes) const;
-  void SetRecordRenderingStats(bool record_rendering_stats);
-  void GetRenderingStats(RenderingStats* stats);
   bool HasPendingWorkScheduled(WhichTree tree) const;
 
   const MemoryHistory::Entry& memory_stats_from_last_assign() const {
     return memory_stats_from_last_assign_;
   }
 
   // Overridden from WorkerPoolClient:
   virtual void DidFinishDispatchingWorkerPoolCompletionCallbacks() OVERRIDE;
 
  protected:
@@ skipping 45 matching lines @@
       scoped_refptr<Tile> tile,
       scoped_ptr<ResourcePool::Resource> resource,
       int manage_tiles_call_count_when_dispatched);
   void DidFinishTileInitialization(Tile* tile);
   void DidTileRasterStateChange(Tile* tile, TileRasterState state);
   void DidTileTreeBinChange(Tile* tile,
                             TileManagerBin new_tree_bin,
                             WhichTree tree);
   scoped_ptr<Value> GetMemoryRequirementsAsValue() const;
 
-  static void RunRasterTask(uint8* buffer,
-                            const gfx::Rect& rect,
-                            float contents_scale,
-                            const RasterTaskMetadata& metadata,
-                            PicturePileImpl* picture_pile,
-                            RenderingStats* stats);
-  static void RunImageDecodeTask(skia::LazyPixelRef* pixel_ref,
-                                 RenderingStats* stats);
+  static void RunRasterTask(
+      uint8* buffer,
+      const gfx::Rect& rect,
+      float contents_scale,
+      const RasterTaskMetadata& metadata,
+      RenderingStatsRecorder* stats_recorder,
+      PicturePileImpl* picture_pile);
+  static void RunImageDecodeTask(
+      skia::LazyPixelRef* pixel_ref,
+      RenderingStatsRecorder* stats_recorder);
 
   static void RecordCheapnessPredictorResults(bool is_predicted_cheap,
                                               bool is_actually_cheap);
   static void RecordSolidColorPredictorResults(const SkColor* actual_colors,
                                                size_t color_count,
                                                bool is_predicted_solid,
                                                SkColor predicted_color,
                                                bool is_predicted_transparent);
 
   TileManagerClient* client_;
@@ skipping 18 matching lines @@
   typedef base::hash_map<uint32_t, skia::LazyPixelRef*> PixelRefMap;
   PixelRefMap pending_decode_tasks_;
 
   typedef std::queue<scoped_refptr<Tile> > TileQueue;
   TileQueue tiles_with_pending_upload_;
   size_t bytes_pending_upload_;
   bool has_performed_uploads_since_last_flush_;
   bool ever_exceeded_memory_budget_;
   MemoryHistory::Entry memory_stats_from_last_assign_;
 
-  bool record_rendering_stats_;
-  RenderingStats rendering_stats_;
+  RenderingStatsRecorder* rendering_stats_recorder_;
 
   bool use_cheapness_estimator_;
   bool use_color_estimator_;
   bool did_schedule_cheap_tasks_;
   bool allow_cheap_tasks_;
   int raster_state_count_[NUM_STATES][NUM_TREES][NUM_BINS];
   bool prediction_benchmarking_;
 
   size_t pending_tasks_;
   size_t max_pending_tasks_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_TILE_MANAGER_H_