Add the necessary plumbing mechanisms to ensure proper WebGL support inside the <browser> tag, whic…

content/renderer/browser_plugin/guest_to_embedder_channel.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/renderer/browser_plugin/guest_to_embedder_channel.h"
 
 #include "base/process_util.h"
 #include "content/common/browser_plugin_messages.h"
 #include "content/common/child_process.h"
 #include "content/renderer/browser_plugin/browser_plugin_channel_manager.h"
@@ skipping 150 matching lines @@
     RenderViewImpl* render_view) {
   std::vector<int32_t> attribs;
   attribs.push_back(PP_GRAPHICS3DATTRIB_NONE);
 
   ppapi::HostResource resource;
   DCHECK(render_view->guest_pp_instance());
   // TODO(fsamuel): Support shared contexts.
   bool success = Send(new PpapiHostMsg_PPBGraphics3D_Create(
       ppapi::API_ID_PPB_GRAPHICS_3D,
       render_view->guest_pp_instance(),
+      ppapi::HostResource(),
       attribs,
       &resource));
   if (!success || resource.is_null())
     return false;
   if (!offscreen) {
     PP_Bool result = PP_FALSE;
     Send(new PpapiHostMsg_PPBInstance_BindGraphics(
             ppapi::API_ID_PPB_INSTANCE,
             render_view->guest_pp_instance(),
             resource,
@@ skipping 111 matching lines @@
   render_view->GetWebView()->loseCompositorContext(1);
 }
 
 void GuestToEmbedderChannel::OnGuestReady(PP_Instance instance,
                                           int embedder_container_id) {
   RenderThreadImpl::current()->browser_plugin_channel_manager()->
       GuestReady(instance, embedder_channel_name(), embedder_container_id);
 }
 
 }  // namespace content