cc: Explicitly invalidate all dropped recordings on the main thread.

cc/test/fake_picture_pile_impl.cc

Index: cc/test/fake_picture_pile_impl.cc
diff --git a/cc/test/fake_picture_pile_impl.cc b/cc/test/fake_picture_pile_impl.cc
index 57a50742e3f0014639f388aa49ab5e5d5f5132ae..dd659a5c8ea99ff9796442601a1832cbc206fa7c 100644
--- a/cc/test/fake_picture_pile_impl.cc
+++ b/cc/test/fake_picture_pile_impl.cc
@@ -63,7 +63,6 @@ FakePicturePileImpl::CreateInfiniteFilledPile() {
   scoped_refptr<FakePicturePileImpl> pile(new FakePicturePileImpl());
   gfx::Size size(std::numeric_limits<int>::max(),
                  std::numeric_limits<int>::max());
-  pile->SetTilingRect(gfx::Rect(size));
   pile->tiling().SetTilingRect(gfx::Rect(size));
   pile->tiling().SetMaxTextureSize(size);
   pile->SetTileGridSize(size);