cc: Remove unused proto conversion code.

cc/test/push_properties_counting_layer.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/test/push_properties_counting_layer.h"
 
 #include "cc/test/push_properties_counting_layer_impl.h"
 
 namespace cc {
 
@@ skipping 14 matching lines @@
   Layer::PushPropertiesTo(layer);
   AddPushPropertiesCount();
 }
 
 std::unique_ptr<LayerImpl> PushPropertiesCountingLayer::CreateLayerImpl(
     LayerTreeImpl* tree_impl) {
   return PushPropertiesCountingLayerImpl::Create(tree_impl, Layer::id());
 }
 
 void PushPropertiesCountingLayer::ToLayerPropertiesProto(
-    proto::LayerUpdate* layer_update,
-    bool inputs_only) {
-  Layer::ToLayerPropertiesProto(layer_update, inputs_only);
+    proto::LayerProperties* proto) {
+  Layer::ToLayerPropertiesProto(proto);
   AddPushPropertiesCount();
 }
 
 void PushPropertiesCountingLayer::SetTypeForProtoSerialization(
     proto::LayerNode* proto) const {
   proto->set_type(proto::LayerNode::PUSH_PROPERTIES_COUNTING_LAYER);
 }
 
 void PushPropertiesCountingLayer::MakePushProperties() {
   SetContentsOpaque(!contents_opaque());
 }
 
 void PushPropertiesCountingLayer::AddPushPropertiesCount() {
   push_properties_count_++;
   if (persist_needs_push_properties_) {
     GetLayerTree()->AddLayerShouldPushProperties(this);
   }
 }
 
 }  // namespace cc