Re-land: cc: Add raster finished signals to RasterWorkerPool.

cc/resources/tile.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_H_
 #define CC_RESOURCES_TILE_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 80 matching lines @@
 
   int layer_id() const { return layer_id_; }
 
   int source_frame_number() const { return source_frame_number_; }
 
   void set_picture_pile(scoped_refptr<PicturePileImpl> pile) {
     DCHECK(pile->CanRaster(contents_scale_, content_rect_));
     picture_pile_ = pile;
   }
 
-  // For test only methods.
-  bool HasRasterTaskForTesting() const {
-    for (int mode = 0; mode < NUM_RASTER_MODES; ++mode) {
-      if (!managed_state().tile_versions[mode].raster_task_.is_null())
-        return true;
-    }
-    return false;
-  }
-  void ResetRasterTaskForTesting() {
-    for (int mode = 0; mode < NUM_RASTER_MODES; ++mode)
-      managed_state().tile_versions[mode].raster_task_.Reset();
-  }
-
  private:
   // Methods called by by tile manager.
   friend class TileManager;
+  friend class FakeTileManager;
   friend class BinComparator;
   ManagedTileState& managed_state() { return managed_state_; }
   const ManagedTileState& managed_state() const { return managed_state_; }
 
   inline size_t bytes_consumed_if_allocated() const {
     return 4 * tile_size_.width() * tile_size_.height();
   }
 
 
   // Normal private methods.
@@ skipping 11 matching lines @@
   ManagedTileState managed_state_;
   int layer_id_;
   int source_frame_number_;
 
   DISALLOW_COPY_AND_ASSIGN(Tile);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_H_