Pass Surface ID namespace to renderer compositors.

content/browser/renderer_host/render_widget_host_impl.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/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
@@ skipping 304 matching lines @@
   return rwh->AsRenderWidgetHostImpl();
 }
 
 void RenderWidgetHostImpl::SetView(RenderWidgetHostViewBase* view) {
   if (view)
     view_weak_ = view->GetWeakPtr();
   else
     view_weak_.reset();
   view_ = view;
 
+  // If the renderer has not yet been initialized, then the surface ID
+  // namespace will be sent during initialization.
+  if (view_ && renderer_initialized_) {
+    Send(new ViewMsg_SetSurfaceIdNamespace(routing_id_,
+                                           view_->GetSurfaceIdNamespace()));
+  }
+
   GpuSurfaceTracker::Get()->SetSurfaceHandle(
       surface_id_, GetCompositingSurface());
 
   synthetic_gesture_controller_.reset();
 }
 
 RenderProcessHost* RenderWidgetHostImpl::GetProcess() const {
   return process_;
 }
 
@@ skipping 74 matching lines @@
 
   renderer_initialized_ = true;
 
   GpuSurfaceTracker::Get()->SetSurfaceHandle(
       surface_id_, GetCompositingSurface());
 
   // Send the ack along with the information on placement.
   Send(new ViewMsg_CreatingNew_ACK(routing_id_));
   GetProcess()->ResumeRequestsForView(routing_id_);
 
+  // If the RWHV has not yet been set, the surface ID namespace will get
+  // passed down by the call to SetView().
+  if (view_) {
+    Send(new ViewMsg_SetSurfaceIdNamespace(routing_id_,
+                                           view_->GetSurfaceIdNamespace()));
+  }
+
   WasResized();
 }
 
 void RenderWidgetHostImpl::InitForFrame() {
   DCHECK(process_->HasConnection());
   renderer_initialized_ = true;
 }
 
 void RenderWidgetHostImpl::Shutdown() {
   RejectMouseLockOrUnlockIfNecessary();
@@ skipping 1690 matching lines @@
 }
 #endif
 
 SkColorType RenderWidgetHostImpl::PreferredReadbackFormat() {
   if (view_)
     return view_->PreferredReadbackFormat();
   return kN32_SkColorType;
 }
 
 }  // namespace content