cc: Add support for partial swaps when using impl-side painting.

cc/resources/tile_manager_perftest.cc

 // Copyright 2013 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.
 
 #include "base/time/time.h"
 #include "cc/resources/tile.h"
 #include "cc/resources/tile_priority.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
 #include "cc/test/fake_output_surface.h"
@@ skipping 304 matching lines @@
     perf_test::PrintResult("tile_manager_raster_tile_iterator",
                            "",
                            test_name,
                            timer_.LapsPerSecond(),
                            "runs/s",
                            true);
   }
 
   // TileManagerClient implementation.
   virtual void NotifyReadyToActivate() OVERRIDE { ready_to_activate_ = true; }
+  virtual void NotifyTileInitialized(const Tile* tile) OVERRIDE {}
 
   TileManager* tile_manager() { return host_impl_.tile_manager(); }
 
  protected:
   GlobalStateThatImpactsTilePriority global_state_;
 
   TestSharedBitmapManager shared_bitmap_manager_;
   TileMemoryLimitPolicy memory_limit_policy_;
   int max_tiles_;
   bool ready_to_activate_;
@@ skipping 12 matching lines @@
 
   RunTest("2_16", 16);
   RunTest("2_32", 32);
   RunTest("2_64", 64);
   RunTest("2_128", 128);
 }
 
 }  // namespace
 
 }  // namespace cc