cc: Add PictureLayerTilingSet to manage PictureLayerTiling

cc/test/fake_picture_layer_tiling_client.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/test/fake_picture_layer_tiling_client.h"
+
+namespace cc {
+
+FakePictureLayerTilingClient::FakePictureLayerTilingClient()
+    : tile_manager_(&tile_manager_client_) {
+}
+
+FakePictureLayerTilingClient::~FakePictureLayerTilingClient() {
+}
+
+scoped_refptr<Tile> FakePictureLayerTilingClient::CreateTile(
+    PictureLayerTiling*,
+    gfx::Rect rect) {
+  return make_scoped_refptr(new Tile(&tile_manager_,
+                                     &pile_,
+                                     tile_size_,
+                                     GL_RGBA,
+                                     rect));
+}
+
+void FakePictureLayerTilingClient::SetTileSize(gfx::Size tile_size) {
+    tile_size_ = tile_size;
+}
+
+}