cc: Replace recorded region with direct map lookup

cc/test/fake_picture_layer_tiling_client.cc

Index: cc/test/fake_picture_layer_tiling_client.cc
diff --git a/cc/test/fake_picture_layer_tiling_client.cc b/cc/test/fake_picture_layer_tiling_client.cc
index 36d1eee5e0928edc6a60417148006c8962138648..4289b9d449fedd6fa84f494408fc936e0b244453 100644
--- a/cc/test/fake_picture_layer_tiling_client.cc
+++ b/cc/test/fake_picture_layer_tiling_client.cc
@@ -6,26 +6,14 @@
 
 #include <limits>
 
+#include "cc/test/fake_picture_pile_impl.h"
 #include "cc/test/fake_tile_manager.h"
 
 namespace cc {
 
-class FakeInfinitePicturePileImpl : public PicturePileImpl {
- public:
-  FakeInfinitePicturePileImpl() {
-    gfx::Size size(std::numeric_limits<int>::max(),
-                   std::numeric_limits<int>::max());
-    Resize(size);
-    recorded_region_ = Region(gfx::Rect(size));
-  }
-
- protected:
-  virtual ~FakeInfinitePicturePileImpl() {}
-};
-
 FakePictureLayerTilingClient::FakePictureLayerTilingClient()
     : tile_manager_(new FakeTileManager(&tile_manager_client_)),
-      pile_(new FakeInfinitePicturePileImpl()),
+      pile_(FakePicturePileImpl::CreateInfiniteFilledPile()),
       twin_tiling_(NULL),
       allow_create_tile_(true),
       max_tiles_for_interest_area_(10000),
@@ -36,7 +24,7 @@ FakePictureLayerTilingClient::FakePictureLayerTilingClient(
     ResourceProvider* resource_provider)
     : tile_manager_(
           new FakeTileManager(&tile_manager_client_, resource_provider)),
-      pile_(new FakeInfinitePicturePileImpl()),
+      pile_(FakePicturePileImpl::CreateInfiniteFilledPile()),
       twin_tiling_(NULL),
       allow_create_tile_(true),
       max_tiles_for_interest_area_(10000),