Move most of the remaining users of WebContentsObserver::tab_contents() to use web_contents().

content/browser/intents/web_intents_dispatcher_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/browser/intents/web_intents_dispatcher_impl.h"
 
 #include "content/browser/intents/intent_injector.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/common/intents_messages.h"
 #include "webkit/glue/web_intent_data.h"
@@ skipping 20 matching lines @@
   DCHECK(!intent_injector_);
   intent_injector_ = new IntentInjector(destination_tab);
   intent_injector_->SetIntent(this, intent_);
 }
 
 void WebIntentsDispatcherImpl::SendReplyMessage(
     webkit_glue::WebIntentReplyType reply_type,
     const string16& data) {
   intent_injector_ = NULL;
 
-  if (!tab_contents())
+  if (!web_contents())
     return;
 
   Send(new IntentsMsg_WebIntentReply(
       routing_id(), reply_type, data, intent_id_));
   if (!reply_notifier_.is_null())
     reply_notifier_.Run();
 }
 
 void WebIntentsDispatcherImpl::RegisterReplyNotification(
     const base::Closure& closure) {
   reply_notifier_ = closure;
 }
 
 void WebIntentsDispatcherImpl::WebContentsDestroyed(WebContents* tab) {
   if (intent_injector_)
     intent_injector_->SourceWebContentsDestroyed(tab);
 
   intent_injector_ = NULL;
 }