Make Graphics3D::SwapBuffers take a completion callback

BUG=none
TEST=with demo_simple_vertex_shader, rate control works

Review URL: http://codereview.chromium.org/5944001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@70474 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 7 insertions, 1 deletions

diff --git a/chrome/renderer/render_view.h b/chrome/renderer/render_view.h
index 7760d26..4e8d0aa 100644
--- a/chrome/renderer/render_view.h
+++ b/chrome/renderer/render_view.h
@@ -670,13 +670,14 @@ class RenderView : public RenderWidget,
   // appropriate section, add it there. If not, there are some random functions
   // nearer to the top you can add it to.
 
+  virtual void DidFlushPaint();
+
  protected:
   // RenderWidget overrides:
   virtual void Close();
   virtual void OnResize(const gfx::Size& new_size,
                         const gfx::Rect& resizer_rect);
   virtual void DidInitiatePaint();
-  virtual void DidFlushPaint();
   virtual webkit::ppapi::PluginInstance* GetBitmapForOptimizedPluginPaint(
       const gfx::Rect& paint_bounds,
       TransportDIB** dib,
diff --git a/chrome/renderer/webgraphicscontext3d_command_buffer_impl.cc b/chrome/renderer/webgraphicscontext3d_command_buffer_impl.cc
index 659c8be..1be5461 100644
--- a/chrome/renderer/webgraphicscontext3d_command_buffer_impl.cc
+++ b/chrome/renderer/webgraphicscontext3d_command_buffer_impl.cc
@@ -116,6 +116,11 @@ bool WebGraphicsContext3DCommandBufferImpl::initialize(
         renderview->routing_id(),
         kWebGraphicsContext3DPerferredGLExtensions,
         attribs);
+    if (context_) {
+      ggl::SetSwapBuffersCallback(
+          context_,
+          NewCallback(renderview, &RenderView::DidFlushPaint));
+    }
   } else {
     bool compositing_enabled = !CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kDisableAcceleratedCompositing);