[cc] Pass metadata about a tile to the raster system for benchmarks

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 <vector>
@@ skipping 45 matching lines @@
 enum TileRasterState {
   IDLE_STATE = 0,
   WAITING_FOR_RASTER_STATE = 1,
   RASTER_STATE = 2,
   SET_PIXELS_STATE = 3,
   NUM_STATES = 4
 };
 scoped_ptr<base::Value> TileRasterStateAsValue(
     TileRasterState bin);
 
+// Metadata that is passed to raster tasks for diagnostic purposes.
+struct RasterTaskMetadata {
+    bool is_tile_in_pending_tree_now_bin;
+    TileResolution tile_resolution;
+};
+
 // This is state that is specific to a tile that is
 // managed by the TileManager.
 class CC_EXPORT ManagedTileState {
  public:
   ManagedTileState();
   ~ManagedTileState();
   scoped_ptr<base::Value> AsValue() const;
 
   // Persisted state: valid all the time.
   bool can_use_gpu_memory;
@@ skipping 92 matching lines @@
   void DidTileRasterStateChange(Tile* tile, TileRasterState state);
   void DidTileTreeBinChange(Tile* tile,
                             TileManagerBin new_tree_bin,
                             WhichTree tree);
   scoped_ptr<Value> GetMemoryRequirementsAsValue() const;
 
   static void PerformRaster(uint8* buffer,
                             const gfx::Rect& rect,
                             float contents_scale,
                             bool use_cheapness_estimator,
-                            PicturePileImpl* picture_pile,
+                            const RasterTaskMetadata& metadata,
+                            PicturePileImpl* picture_pinle,

[reveman, 2013/02/13 10:24:39]

typo: should be picture_pile not picture_pinle

                             RenderingStats* stats);
   static void RunImageDecodeTask(skia::LazyPixelRef* pixel_ref,
                                  RenderingStats* stats);
 
   static void RecordCheapnessPredictorResults(bool is_predicted_cheap,
                                               bool is_actually_cheap);
 
   TileManagerClient* client_;
   scoped_ptr<ResourcePool> resource_pool_;
   scoped_ptr<RasterWorkerPool> raster_worker_pool_;
@@ skipping 26 matching lines @@
 
   bool use_cheapness_estimator_;
   int raster_state_count_[NUM_STATES][NUM_TREES][NUM_BINS];
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_TILE_MANAGER_H_