Ensure that WebKit is initialized before making calls to it.

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index a47ea0cabcb928515ae5a1c599a926e35c2ab0b3..72895b6f2d5cf1b6bcfbd9ef7d5d176f54683874 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -631,8 +631,10 @@ void RenderThreadImpl::OnSetZoomLevelForCurrentURL(const GURL& url,
 
 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);