Move virtual setSurfaceReady to non-virtual StartCompositor.

mojo/services/html_viewer/weblayertreeview_impl.cc

 // Copyright 2014 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 "mojo/services/html_viewer/weblayertreeview_impl.h"
 
 #include "base/message_loop/message_loop_proxy.h"
 #include "cc/blink/web_layer_impl.h"
 #include "cc/layers/layer.h"
 #include "cc/output/begin_frame_args.h"
@@ skipping 102 matching lines @@
 
 void WebLayerTreeViewImpl::DidCommit() {
 }
 
 void WebLayerTreeViewImpl::DidCommitAndDrawFrame() {
 }
 
 void WebLayerTreeViewImpl::DidCompleteSwapBuffers() {
 }
 
-void WebLayerTreeViewImpl::setSurfaceReady() {
-}
-
 void WebLayerTreeViewImpl::setRootLayer(const blink::WebLayer& layer) {
   layer_tree_host_->SetRootLayer(
       static_cast<const cc_blink::WebLayerImpl*>(&layer)->layer());
 }
 
 void WebLayerTreeViewImpl::clearRootLayer() {
   layer_tree_host_->SetRootLayer(scoped_refptr<cc::Layer>());
 }
 
 void WebLayerTreeViewImpl::setViewportSize(
@@ skipping 116 matching lines @@
       base::Bind(&WebLayerTreeViewImpl::DidCreateSurfaceOnMainThread,
                  main_thread_bound_weak_ptr_,
                  id));
 }
 
 void WebLayerTreeViewImpl::DidCreateSurfaceOnMainThread(cc::SurfaceId id) {
   view_->SetSurfaceId(SurfaceId::From(id));
 }
 
 }  // namespace mojo