Add CCDelegatingRenderer, and corresponding IPCs

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 62fd6edbc99ef68534bfecfeb75d4304dbe6059d..8f59bf83caa0f7e567d8d821d02b54cbb12d41f7 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -312,6 +312,8 @@ bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) {
                         OnMsgDidActivateAcceleratedCompositing)
     IPC_MESSAGE_HANDLER(ViewHostMsg_LockMouse, OnMsgLockMouse)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UnlockMouse, OnMsgUnlockMouse)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_SwapCompositorFrame,
+                        OnMsgSwapCompositorFrame)
 #if defined(OS_POSIX) || defined(USE_AURA)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetWindowRect, OnMsgGetWindowRect)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetRootWindowRect, OnMsgGetRootWindowRect)
@@ -1764,6 +1766,22 @@ void RenderWidgetHostImpl::OnMsgUnlockMouse() {
   RejectMouseLockOrUnlockIfNecessary();
 }
 
+void RenderWidgetHostImpl::OnMsgSwapCompositorFrame(
+    const cc::CompositorFrame& frame) {
+  if (!view_) {
+    cc::CompositorFrameAck ack;
+    ack.resources = frame.resources;
+    SwapCompositorFrameAck(ack);
+    return;
+  }
+  view_->SwapCompositorFrame(frame);
+}
+
+void RenderWidgetHostImpl::SwapCompositorFrameAck(
+    const cc::CompositorFrameAck& ack) {
+  Send(new ViewMsg_SwapCompositorFrameACK(routing_id_, ack));
+}
+
 #if defined(OS_POSIX) || defined(USE_AURA)
 void RenderWidgetHostImpl::OnMsgGetWindowRect(gfx::NativeViewId window_id,
                                               gfx::Rect* results) {