cc : Stop pushing transform origin from Layer and LayerImpl.

cc/layers/layer_impl.cc

Index: cc/layers/layer_impl.cc
diff --git a/cc/layers/layer_impl.cc b/cc/layers/layer_impl.cc
index b7c0c1fd6018d51937571a8b0541ba37729f8065..f6f8107356eb55115330cd06763625368d822707 100644
--- a/cc/layers/layer_impl.cc
+++ b/cc/layers/layer_impl.cc
@@ -53,6 +53,7 @@ LayerImpl::LayerImpl(LayerTreeImpl* tree_impl, int id)
       replica_layer_(nullptr),
       layer_id_(id),
       layer_tree_impl_(tree_impl),
+      test_properties_(nullptr),
       scroll_clip_layer_id_(Layer::INVALID_ID),
       main_thread_scrolling_reasons_(
           MainThreadScrollingReason::kNotScrollingOnMain),
@@ -485,7 +486,6 @@ void LayerImpl::set_main_thread_scrolling_reasons(
 }
 
 void LayerImpl::PushPropertiesTo(LayerImpl* layer) {
-  layer->SetTransformOrigin(transform_origin_);
   layer->SetBackgroundColor(background_color_);
   layer->SetSafeOpaqueBackgroundColor(safe_opaque_background_color_);
   layer->SetBounds(bounds_);
@@ -1051,10 +1051,11 @@ void LayerImpl::SetHideLayerAndSubtree(bool hide) {
   hide_layer_and_subtree_ = hide;
 }
 
-void LayerImpl::SetTransformOrigin(const gfx::Point3F& transform_origin) {
-  if (transform_origin_ == transform_origin)
-    return;
-  transform_origin_ = transform_origin;
+void LayerImpl::SetTransformOriginForTesting(
+    const gfx::Point3F& transform_origin) {
+  if (!test_properties_)
+    test_properties_ = new LayerImplTestProperties();
+  test_properties_->transform_origin = transform_origin;
 }
 
 void LayerImpl::SetBackgroundColor(SkColor background_color) {
@@ -1394,8 +1395,6 @@ void LayerImpl::AsValueInto(base::trace_event::TracedValue* state) const {
 
   MathUtil::AddToTracedValue("scroll_offset", CurrentScrollOffset(), state);
 
-  MathUtil::AddToTracedValue("transform_origin", transform_origin_, state);
-
   if (!transform().IsIdentity())
     MathUtil::AddToTracedValue("transform", transform(), state);