cc: Remove tile sharing from tilings.

cc/test/fake_picture_layer_impl.cc

Index: cc/test/fake_picture_layer_impl.cc
diff --git a/cc/test/fake_picture_layer_impl.cc b/cc/test/fake_picture_layer_impl.cc
index 75f7fdafa4f1a927ae87d7437a1e82be297f235c..6cca3cf6c70a59c2d4eb2438e1677e1843775eeb 100644
--- a/cc/test/fake_picture_layer_impl.cc
+++ b/cc/test/fake_picture_layer_impl.cc
@@ -260,16 +260,14 @@ size_t FakePictureLayerImpl::CountTilesRequiredForActivation() const {
   if (!layer_tree_impl()->IsPendingTree())
     return 0;
 
-  return CountTilesRequired(
-      &PictureLayerTiling::IsTileRequiredForActivationIfVisible);
+  return CountTilesRequired(&PictureLayerTiling::IsTileRequiredForActivation);
 }
 
 size_t FakePictureLayerImpl::CountTilesRequiredForDraw() const {
   if (!layer_tree_impl()->IsActiveTree())
     return 0;
 
-  return CountTilesRequired(
-      &PictureLayerTiling::IsTileRequiredForDrawIfVisible);
+  return CountTilesRequired(&PictureLayerTiling::IsTileRequiredForDraw);
 }
 
 void FakePictureLayerImpl::ReleaseResources() {