Add compositor support for the LatencyInfo.

cc/output/delegating_renderer.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/output/delegating_renderer.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 139 matching lines @@
   }
 
   // Move the render passes and resources into the |out_frame|.
   DelegatedFrameData& out_data = *out_frame.delegated_frame_data;
   out_data.render_pass_list.swap(*render_passes_in_draw_order);
   resource_provider_->PrepareSendToParent(resources, &out_data.resource_list);
 
   output_surface_->SendFrameToParentCompositor(&out_frame);
 }
 
-bool DelegatingRenderer::SwapBuffers() {
+bool DelegatingRenderer::SwapBuffers(const LatencyInfo& latency_info) {
   return true;
 }
 
 void DelegatingRenderer::GetFramebufferPixels(void* pixels, gfx::Rect rect) {
   NOTIMPLEMENTED();
 }
 
 void DelegatingRenderer::ReceiveCompositorFrameAck(
     const CompositorFrameAck& ack) {
   resource_provider_->ReceiveFromParent(ack.resources);
 }
 
 
 bool DelegatingRenderer::IsContextLost() {
   WebGraphicsContext3D* context3d = resource_provider_->GraphicsContext3D();
   if (!context3d)
     return false;
   return context3d->getGraphicsResetStatusARB() != GL_NO_ERROR;
 }
 
 void DelegatingRenderer::SetVisible(bool visible) {
   visible_ = visible;
 }
 
 }  // namespace cc