cc: Add a flag to layers that returns true if the layer is in RSLL.

cc/layers/layer_impl.cc

 // Copyright 2012 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/layers/layer_impl.h"
 
 #include "base/debug/trace_event.h"
 #include "base/json/json_reader.h"
 #include "base/strings/stringprintf.h"
 #include "cc/animation/animation_registrar.h"
@@ skipping 1484 matching lines @@
       bool converted_to_dictionary =
           debug_info_value->GetAsDictionary(&dictionary_value);
       DCHECK(converted_to_dictionary);
       state->MergeDictionary(dictionary_value);
     } else {
       NOTREACHED();
     }
   }
 }
 
+bool LayerImpl::is_render_surface_list_member() const {
+  return draw_properties_.last_valid_render_surface_list_id ==
+         layer_tree_impl_->current_render_surface_list_id();
+}
+
 size_t LayerImpl::GPUMemoryUsageInBytes() const { return 0; }
 
 scoped_ptr<base::Value> LayerImpl::AsValue() const {
   scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue());
   AsValueInto(state.get());
   return state.PassAs<base::Value>();
 }
 
 void LayerImpl::RunMicroBenchmark(MicroBenchmarkImpl* benchmark) {
   benchmark->RunOnLayer(this);
 }
 }  // namespace cc