cc: Use sublayer scale from effect tree (2)

cc/trees/property_tree.cc

Index: cc/trees/property_tree.cc
diff --git a/cc/trees/property_tree.cc b/cc/trees/property_tree.cc
index d2b3783a5724dc82c0c44fadb6e5c24e3e3b5279..87d69fe7daf65c4c76b7156effacb7ff8527612e 100644
--- a/cc/trees/property_tree.cc
+++ b/cc/trees/property_tree.cc
@@ -172,25 +172,6 @@ bool TransformTree::ComputeTransformWithDestinationSublayerScale(
   return success;
 }
 
-bool TransformTree::ComputeTransformWithSourceSublayerScale(
-    int source_id,
-    int dest_id,
-    gfx::Transform* transform) const {
-  bool success = ComputeTransform(source_id, dest_id, transform);
-
-  const TransformNode* source_node = Node(source_id);
-  if (!source_node->needs_sublayer_scale)
-    return success;
-
-  if (source_node->sublayer_scale.x() == 0 ||
-      source_node->sublayer_scale.y() == 0)
-    return false;
-
-  transform->Scale(1.f / source_node->sublayer_scale.x(),
-                   1.f / source_node->sublayer_scale.y());
-  return success;
-}
-
 bool TransformTree::Are2DAxisAligned(int source_id, int dest_id) const {
   gfx::Transform transform;
   return ComputeTransform(source_id, dest_id, &transform) &&