Add CCDelegatingRenderer, and corresponding IPCs

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index d7dfadc0936a2d011ff6376aca800e200942189b..b5c696c9b38410fbadf4d50cdf99a2fc51732257 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -947,6 +947,40 @@ void RenderWidgetHostViewAura::AcceleratedSurfaceRelease(
   image_transport_clients_.erase(surface_handle);
 }
 
+void RenderWidgetHostViewAura::SwapCompositorFrame(
+    const cc::CompositorFrame& frame) {
+  ui::Compositor* compositor = GetCompositor();
+  if (!compositor) {
+    SwapCompositorFrameAck(frame.resources, NULL);
+  } else {
+    released_front_lock_ = NULL;
+    gfx::Size surface_size = ConvertSizeToDIP(this, frame.size);
+
+    window_->SchedulePaintInRect(gfx::Rect(surface_size));
+    resize_locks_.clear(); // XXX
+    window_->layer()->SetCompositorFrame(frame);
+
+    on_compositing_did_commit_callbacks_.push_back(
+        base::Bind(&RenderWidgetHostViewAura::SendSwapCompositorFrameAck,
+                   base::Unretained(this)));
+    if (!compositor->HasObserver(this))
+      compositor->AddObserver(this);
+  }
+}
+
+void RenderWidgetHostViewAura::SendSwapCompositorFrameAck(ui::Compositor*) {
+  cc::TransferableResourceList resources;
+  resources.sync_point = 0;
+  window_->layer()->GetRecycledResources(&resources);
+  SwapCompositorFrameAck(resources, NULL);
+}
+
+void RenderWidgetHostViewAura::SwapCompositorFrameAck(const cc::TransferableResourceList& resources, ui::Compositor*) {
+  cc::CompositorFrameAck ack;
+  ack.resources = resources;
+  host_->SwapCompositorFrameAck(ack);
+}
+
 void RenderWidgetHostViewAura::SetSurfaceNotInUseByCompositor(ui::Compositor*) {
   if (current_surface_ || !host_->is_hidden())
     return;