[cc] Tiles and tile manager for impl side painting

cc/tile.cc

+// 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.
+
+#include "cc/tile.h"
+
+#include "cc/tile_manager.h"
+
+namespace cc {
+
+Tile::Tile(TileManager* tile_manager,
+           gfx::Size tile_size,
+           gfx::Rect rect_inside_picture,
+           TileQuality quality)
+  : tile_manager_(tile_manager),
+    tile_size_(tile_size),
+    rect_inside_picture_(rect_inside_picture),
+    quality_(quality) {
+  tile_manager_->RegisterTile(this);
+}
+
+Tile::~Tile() {
+  tile_manager_->UnregisterTile(this);
+}
+
+}  // namespace cc