Ensure that WebKit is initialized before making calls to it.

content/renderer/render_thread_impl.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/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 613 matching lines @@
 }
 
 void RenderThreadImpl::OnSetZoomLevelForCurrentURL(const GURL& url,
                                                    double zoom_level) {
   RenderViewZoomer zoomer(url, zoom_level);
   content::RenderView::ForEach(&zoomer);
 }
 
 void RenderThreadImpl::OnDOMStorageEvent(
     const DOMStorageMsg_Event_Params& params) {
-  if (!dom_storage_event_dispatcher_.get())
+  if (!dom_storage_event_dispatcher_.get()) {
+    EnsureWebKitInitialized();
     dom_storage_event_dispatcher_.reset(WebStorageEventDispatcher::create());
+  }
   dom_storage_event_dispatcher_->dispatchStorageEvent(params.key,
       params.old_value, params.new_value, params.origin, params.url,
       params.storage_type == DOM_STORAGE_LOCAL);
 }
 
 bool RenderThreadImpl::OnControlMessageReceived(const IPC::Message& msg) {
   ObserverListBase<RenderProcessObserver>::Iterator it(observers_);
   RenderProcessObserver* observer;
   while ((observer = it.GetNext()) != NULL) {
     if (observer->OnControlMessageReceived(msg))
@@ skipping 139 matching lines @@
 
 scoped_refptr<base::MessageLoopProxy>
 RenderThreadImpl::GetFileThreadMessageLoopProxy() {
   DCHECK(message_loop() == MessageLoop::current());
   if (!file_thread_.get()) {
     file_thread_.reset(new base::Thread("Renderer::FILE"));
     file_thread_->Start();
   }
   return file_thread_->message_loop_proxy();
 }