Update from chromium 62675d9fb31fb8cedc40f68e78e8445a74f362e7

cc/resources/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_RESOURCES_TILE_MANAGER_H_
 #define CC_RESOURCES_TILE_MANAGER_H_
 
 #include <deque>
 #include <queue>
 #include <set>
@@ skipping 80 matching lines @@
     ALL = 1,
     // Adding additional values requires increasing kNumberOfTaskSets in
     // rasterizer.h
   };
 
   static scoped_ptr<TileManager> Create(
       TileManagerClient* client,
       base::SequencedTaskRunner* task_runner,
       ResourcePool* resource_pool,
       Rasterizer* rasterizer,
-      RenderingStatsInstrumentation* rendering_stats_instrumentation);
+      RenderingStatsInstrumentation* rendering_stats_instrumentation,
+      size_t scheduled_raster_task_limit);
   ~TileManager() override;
 
   void ManageTiles(const GlobalStateThatImpactsTilePriority& state);
 
   // Returns true when visible tiles have been initialized.
   bool UpdateVisibleTiles();
 
   scoped_refptr<Tile> CreateTile(PicturePileImpl* picture_pile,
                                  const gfx::Size& tile_size,
                                  const gfx::Rect& content_rect,
@@ skipping 44 matching lines @@
       tiles.push_back(it->second);
     }
     return tiles;
   }
 
  protected:
   TileManager(TileManagerClient* client,
               const scoped_refptr<base::SequencedTaskRunner>& task_runner,
               ResourcePool* resource_pool,
               Rasterizer* rasterizer,
-              RenderingStatsInstrumentation* rendering_stats_instrumentation);
+              RenderingStatsInstrumentation* rendering_stats_instrumentation,
+              size_t scheduled_raster_task_limit);
 
   void FreeResourcesForReleasedTiles();
   void CleanUpReleasedTiles();
 
   // Overriden from RefCountedManager<Tile>:
   friend class Tile;
   void Release(Tile* tile) override;
 
   // Overriden from RasterizerClient:
   void DidFinishRunningTasks(TaskSet task_set) override;
@@ skipping 52 matching lines @@
       MemoryUsage* usage);
   bool TilePriorityViolatesMemoryPolicy(const TilePriority& priority);
   bool IsReadyToActivate() const;
   void CheckIfReadyToActivate();
 
   TileManagerClient* client_;
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
   ResourcePool* resource_pool_;
   Rasterizer* rasterizer_;
   GlobalStateThatImpactsTilePriority global_state_;
+  const size_t scheduled_raster_task_limit_;
 
   typedef base::hash_map<Tile::Id, Tile*> TileMap;
   TileMap tiles_;
 
   bool all_tiles_that_need_to_be_rasterized_are_scheduled_;
   MemoryHistory::Entry memory_stats_from_last_assign_;
 
   RenderingStatsInstrumentation* rendering_stats_instrumentation_;
 
   bool did_initialize_visible_tile_;
@@ skipping 24 matching lines @@
   RasterTilePriorityQueue raster_priority_queue_;
   EvictionTilePriorityQueue eviction_priority_queue_;
   bool eviction_priority_queue_is_up_to_date_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_MANAGER_H_