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

cc/resources/tile_manager_unittest.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 "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"
 #include "cc/test/fake_output_surface_client.h"
@@ skipping 64 matching lines @@
 
   virtual void TearDown() OVERRIDE {
     tile_manager_.reset(NULL);
     picture_pile_ = NULL;
 
     testing::Test::TearDown();
   }
 
   // TileManagerClient implementation.
   virtual void NotifyReadyToActivate() OVERRIDE { ready_to_activate_ = true; }
+  virtual void NotifyTileInitialized(const Tile* tile) OVERRIDE {}
 
   TileVector CreateTilesWithSize(int count,
                                  TilePriority active_priority,
                                  TilePriority pending_priority,
                                  const gfx::Size& tile_size) {
     TileVector tiles;
     for (int i = 0; i < count; ++i) {
       scoped_refptr<Tile> tile = tile_manager_->CreateTile(picture_pile_.get(),
                                                            tile_size,
                                                            gfx::Rect(),
@@ skipping 632 matching lines @@
   void CreateHighLowResAndSetAllTilesVisible() {
     // Active layer must get updated first so pending layer can share from it.
     active_layer_->CreateDefaultTilingsAndTiles();
     active_layer_->SetAllTilesVisible();
     pending_layer_->CreateDefaultTilingsAndTiles();
     pending_layer_->SetAllTilesVisible();
   }
 
   // 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 382 matching lines @@
 
     last_tile = tile;
     new_content_tiles.insert(tile);
   }
 
   EXPECT_EQ(tile_count, new_content_tiles.size());
   EXPECT_EQ(all_tiles, new_content_tiles);
 }
 }  // namespace
 }  // namespace cc