cc: Give TilingData back a Size instead of a Rect.

cc/layers/picture_layer_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/layers/picture_layer.h"
 
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/picture_layer_impl.h"
 #include "cc/resources/resource_update_queue.h"
 #include "cc/test/fake_layer_tree_host.h"
@@ skipping 46 matching lines @@
     TestSharedBitmapManager shared_bitmap_manager;
     FakeLayerTreeHostImpl host_impl(
         ImplSidePaintingSettings(), &proxy, &shared_bitmap_manager);
     host_impl.CreatePendingTree();
     scoped_ptr<FakePictureLayerImpl> layer_impl =
         FakePictureLayerImpl::Create(host_impl.pending_tree(), 1);
 
     layer->PushPropertiesTo(layer_impl.get());
     EXPECT_FALSE(layer_impl->CanHaveTilings());
     EXPECT_TRUE(layer_impl->bounds() == gfx::Size(0, 0));
-    EXPECT_TRUE(layer_impl->pile()->tiling_rect() == gfx::Rect());
+    EXPECT_EQ(gfx::Size(), layer_impl->pile()->tiling_size());
     EXPECT_FALSE(layer_impl->pile()->HasRecordings());
   }
 }
 
 TEST(PictureLayerTest, SuitableForGpuRasterization) {
   MockContentLayerClient client;
   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
   PicturePile* pile = layer->GetPicturePileForTesting();
 
   // Layer is suitable for gpu rasterization by default.
@@ skipping 16 matching lines @@
   EXPECT_EQ(Picture::RECORD_NORMALLY, layer->RecordingMode());
 
   settings.recording_mode = LayerTreeSettings::RecordWithSkRecord;
   host = FakeLayerTreeHost::Create(settings);
   host->SetRootLayer(layer);
   EXPECT_EQ(Picture::RECORD_WITH_SKRECORD, layer->RecordingMode());
 }
 
 }  // namespace
 }  // namespace cc