Pass Surface ID namespace to renderer compositors.

content/browser/renderer_host/render_view_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_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 318 matching lines @@
   if (!is_active_) {
     params.replicated_frame_state =
         static_cast<RenderFrameHostImpl*>(GetMainFrame())->frame_tree_node()
             ->current_replication_state();
   }
 
   if (!Send(new ViewMsg_New(params)))
     return false;
   SetInitialRenderSizeParams(params.initial_size);
 
+  // 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(GetRoutingID(),
+                                           view_->GetSurfaceIdNamespace()));
+  }
+
   // If it's enabled, tell the renderer to set up the Javascript bindings for
   // sending messages back to the browser.
   if (GetProcess()->IsIsolatedGuest())
     DCHECK_EQ(0, enabled_bindings_);
   Send(new ViewMsg_AllowBindings(GetRoutingID(), enabled_bindings_));
   // Let our delegate know that we created a RenderView.
   delegate_->RenderViewCreated(this);
 
   // Since this method creates the main RenderFrame in the renderer process,
   // set the proper state on its corresponding RenderFrameHost.
@@ skipping 1068 matching lines @@
     if (!policy->CanReadFile(GetProcess()->GetID(), file))
       policy->GrantReadFile(GetProcess()->GetID(), file);
   }
 }
 
 void RenderViewHostImpl::SelectWordAroundCaret() {
   Send(new ViewMsg_SelectWordAroundCaret(GetRoutingID()));
 }
 
 }  // namespace content