Remove limit on number of resources in cc

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 170 matching lines @@
   typedef std::vector<Tile*> TileVector;
   typedef std::set<Tile*> TileSet;
 
   // Virtual for test
   virtual void ScheduleTasks(
       const TileVector& tiles_that_need_to_be_rasterized);
 
   void AssignGpuMemoryToTiles(TileVector* tiles_that_need_to_be_rasterized);
 
  private:
+  // TODO(boliu): Replace with int64?
   class MemoryUsage {
    public:
     MemoryUsage();
-    MemoryUsage(int64 memory_bytes, int resource_count);
+    explicit MemoryUsage(int64 memory_bytes);
 
     static MemoryUsage FromConfig(const gfx::Size& size, ResourceFormat format);
     static MemoryUsage FromTile(const Tile* tile);
 
     MemoryUsage& operator+=(const MemoryUsage& other);
     MemoryUsage& operator-=(const MemoryUsage& other);
     MemoryUsage operator-(const MemoryUsage& other);
 
     bool Exceeds(const MemoryUsage& limit) const;
     int64 memory_bytes() const { return memory_bytes_; }
 
    private:
     int64 memory_bytes_;
-    int resource_count_;
   };
 
   void OnImageDecodeTaskCompleted(int layer_id,
                                   SkPixelRef* pixel_ref,
                                   bool was_canceled);
   void OnRasterTaskCompleted(Tile::Id tile,
                              scoped_ptr<ScopedResource> resource,
                              const PicturePileImpl::Analysis& analysis,
                              bool was_canceled);
 
@@ skipping 57 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_