Plumb cc::LatencyInfo through command buffer and output surface

content/renderer/render_widget.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/renderer/render_widget.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 558 matching lines @@
   // Mac OS X essentially always behaves as though it's rendering offscreen.
   // Multisampling has a heavy cost especially on devices with relatively low
   // fill rate like most notebooks, and the Mac implementation would need to
   // be optimized to resolve directly into the IOSurface shared between the
   // GPU and browser processes. For these reasons and to avoid platform
   // disparities we explicitly disable antialiasing.
   WebKit::WebGraphicsContext3D::Attributes attributes;
   attributes.antialias = false;
   attributes.shareResources = true;
   attributes.noAutomaticFlushes = true;
-  WebKit::WebGraphicsContext3D* context = CreateGraphicsContext3D(attributes);
+  WebGraphicsContext3DCommandBufferImpl* context =
+      CreateGraphicsContext3D(attributes);
   if (!context)
     return scoped_ptr<cc::OutputSurface>();
 
   bool composite_to_mailbox =
       command_line.HasSwitch(cc::switches::kCompositeToMailbox);
   DCHECK(!composite_to_mailbox || command_line.HasSwitch(
       cc::switches::kEnableCompositorFrameMessage));
   // No swap throttling yet when compositing on the main thread.
   DCHECK(!composite_to_mailbox || is_threaded_compositing_enabled_);
   return scoped_ptr<cc::OutputSurface>(composite_to_mailbox ?
@@ skipping 1700 matching lines @@
 }
 
 void RenderWidget::hasTouchEventHandlers(bool has_handlers) {
   Send(new ViewHostMsg_HasTouchEventHandlers(routing_id_, has_handlers));
 }
 
 bool RenderWidget::HasTouchEventHandlersAt(const gfx::Point& point) const {
   return true;
 }
 
-WebKit::WebGraphicsContext3D* RenderWidget::CreateGraphicsContext3D(
+WebGraphicsContext3DCommandBufferImpl* RenderWidget::CreateGraphicsContext3D(
     const WebKit::WebGraphicsContext3D::Attributes& attributes) {
   if (!webwidget_)
     return NULL;
   scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context(
       new WebGraphicsContext3DCommandBufferImpl(
           surface_id(),
           GetURLForGraphicsContext3D(),
           RenderThreadImpl::current(),
           weak_ptr_factory_.GetWeakPtr()));
 
   if (!context->Initialize(
           attributes,
           false /* bind generates resources */,
           CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE))
     return NULL;
   return context.release();
 }
 
 }  // namespace content