Fix a regression where extension APIs would sometimes not be available on the

content/browser/renderer_host/render_view_host.cc

 // Copyright (c) 2011 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.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 93 matching lines @@
       save_accessibility_tree_for_testing_(false),
       render_view_termination_status_(base::TERMINATION_STATUS_STILL_RUNNING) {
   if (!session_storage_namespace_) {
     session_storage_namespace_ =
         new SessionStorageNamespace(process()->profile()->GetWebKitContext());
   }
 
   DCHECK(instance_);
   CHECK(delegate_);  // http://crbug.com/82827
 
+  process()->EnableSendQueue();
+
   content::GetContentClient()->browser()->RenderViewHostCreated(this);
 
   NotificationService::current()->Notify(
       NotificationType::RENDER_VIEW_HOST_CREATED,
       Source<RenderViewHost>(this),
       NotificationService::NoDetails());
 }
 
 RenderViewHost::~RenderViewHost() {
   FOR_EACH_OBSERVER(
@@ skipping 1191 matching lines @@
   if (view) {
     view->ShowPopupMenu(params.bounds,
                         params.item_height,
                         params.item_font_size,
                         params.selected_item,
                         params.popup_items,
                         params.right_aligned);
   }
 }
 #endif