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

chrome/browser/automation/automation_provider_observers.h

 // 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.
 
 #ifndef CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_
 #define CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 56 matching lines @@
 class SavePackage;
 class TabContents;
 class TranslateInfoBarDelegate;
 
 #if defined(OS_CHROMEOS)
 namespace chromeos {
   class ExistingUserController;
 }
 #endif  // defined(OS_CHROMEOS)
 
+namespace IPC {
+class Message;
+}
+
+namespace content {
+class WebContents;
+}
+
 namespace history {
 class TopSites;
 }
 
-namespace IPC {
-class Message;
-}
-
 namespace policy {
 class BrowserPolicyConnector;
 }
 
 class InitialLoadObserver : public content::NotificationObserver {
  public:
   InitialLoadObserver(size_t tab_count, AutomationProvider* automation);
   virtual ~InitialLoadObserver();
 
   virtual void Observe(int type,
@@ skipping 584 matching lines @@
   typedef std::map<std::string, int> EventDurationMap;
   EventDurationMap durations_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricEventDurationObserver);
 };
 
 class PageTranslatedObserver : public content::NotificationObserver {
  public:
   PageTranslatedObserver(AutomationProvider* automation,
                          IPC::Message* reply_message,
-                         TabContents* tab_contents);
+                         content::WebContents* web_contents);
   virtual ~PageTranslatedObserver();
 
   // content::NotificationObserver interface.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details);
 
  private:
   content::NotificationRegistrar registrar_;
   base::WeakPtr<AutomationProvider> automation_;
@@ skipping 1159 matching lines @@
  private:
   base::WeakPtr<AutomationProvider> automation_;
   scoped_ptr<IPC::Message> reply_message_;
   std::string extension_id_;
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPopupObserver);
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_