CC: Plumb LayerSettings parameter for cc::Layer construction.

content/test/layouttest_support.cc

 // Copyright (c) 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 "content/public/test/layouttest_support.h"
 
 #include "base/callback.h"
 #include "base/lazy_instance.h"
 #include "cc/blink/web_layer_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
@@ skipping 398 matching lines @@
         PageStateToHistoryEntry(page_state[index]));
     result.append(
         DumpHistoryItem(entry->root_history_node(),
                         8,
                         index == current_index));
   }
   result.append("===============================================\n");
   return result;
 }
 
+scoped_refptr<cc::TextureLayer> CreateTextureLayerForMailbox(
+    cc::TextureLayerClient* client) {
+  return cc::TextureLayer::CreateForMailbox(
+      cc_blink::WebLayerImpl::LayerSettings(), client);
+}
+
 blink::WebLayer* InstantiateWebLayer(scoped_refptr<cc::TextureLayer> layer) {
   return new cc_blink::WebLayerImpl(layer);
 }
 
 }  // namespace content