cc: Remove the opaque rect return-parameter from ContentLayerClient.

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"
 
 #include <limits>
 
 #include "cc/test/fake_picture_pile_impl.h"
 #include "cc/test/fake_tile_manager.h"
@@ skipping 26 matching lines @@
 }
 
 FakePictureLayerTilingClient::~FakePictureLayerTilingClient() {
 }
 
 scoped_refptr<Tile> FakePictureLayerTilingClient::CreateTile(
     PictureLayerTiling*,
     const gfx::Rect& rect) {
   if (!allow_create_tile_)
     return scoped_refptr<Tile>();
-  return tile_manager_->CreateTile(
-      pile_.get(), tile_size_, rect, gfx::Rect(), 1, 0, 0, 0);
+  return tile_manager_->CreateTile(pile_.get(), tile_size_, rect, 1, 0, 0, 0);
 }
 
 PicturePileImpl* FakePictureLayerTilingClient::GetPile() {
   return pile_.get();
 }
 
 void FakePictureLayerTilingClient::SetTileSize(const gfx::Size& tile_size) {
   tile_size_ = tile_size;
 }
 
@@ skipping 27 matching lines @@
 PictureLayerTiling* FakePictureLayerTilingClient::GetRecycledTwinTiling(
     const PictureLayerTiling* tiling) {
   return recycled_twin_tiling_;
 }
 
 WhichTree FakePictureLayerTilingClient::GetTree() const {
   return tree_;
 }
 
 }  // namespace cc