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

cc/resources/picture_layer_tiling_set_unittest.cc

Index: cc/resources/picture_layer_tiling_set_unittest.cc
diff --git a/cc/resources/picture_layer_tiling_set_unittest.cc b/cc/resources/picture_layer_tiling_set_unittest.cc
index 21637e49ba94d247a23c842da361c84af9a40e8c..91a7ce892dd6a91cb06aa76a194adb5ba60b42f2 100644
--- a/cc/resources/picture_layer_tiling_set_unittest.cc
+++ b/cc/resources/picture_layer_tiling_set_unittest.cc
@@ -219,10 +219,12 @@ class PictureLayerTilingSetSyncTest : public testing::Test {
 
   void ValidateTiling(const PictureLayerTiling* tiling,
                       const PicturePileImpl* pile) {
-    if (tiling->TilingRect().IsEmpty())
+    if (tiling->tiling_size().IsEmpty()) {
       EXPECT_TRUE(tiling->live_tiles_rect().IsEmpty());
-    else if (!tiling->live_tiles_rect().IsEmpty())
-      EXPECT_TRUE(tiling->TilingRect().Contains(tiling->live_tiles_rect()));
+    } else if (!tiling->live_tiles_rect().IsEmpty()) {
+      gfx::Rect tiling_rect(tiling->tiling_size());
+      EXPECT_TRUE(tiling_rect.Contains(tiling->live_tiles_rect()));
+    }
 
     std::vector<Tile*> tiles = tiling->AllTilesForTesting();
     for (size_t i = 0; i < tiles.size(); ++i) {