content: Remove unnecessary content:: from Notification classes.

content/public/browser/notification_registrar.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 CONTENT_PUBLIC_BROWSER_NOTIFICATION_REGISTRAR_H_
 #define CONTENT_PUBLIC_BROWSER_NOTIFICATION_REGISTRAR_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 15 matching lines @@
 class CONTENT_EXPORT NotificationRegistrar {
  public:
   // This class must not be derived from (we don't have a virtual destructor so
   // it won't work). Instead, use it as a member in your class.
   NotificationRegistrar();
   ~NotificationRegistrar();
 
   // Wrappers around NotificationService::[Add|Remove]Observer.
   void Add(NotificationObserver* observer,
            int type,
-           const content::NotificationSource& source);
+           const NotificationSource& source);
   void Remove(NotificationObserver* observer,
               int type,
-              const content::NotificationSource& source);
+              const NotificationSource& source);
 
   // Unregisters all notifications.
   void RemoveAll();
 
   // Returns true if no notifications are registered.
   bool IsEmpty() const;
 
   // Returns true if there is already a registered notification with the
   // specified details.
   bool IsRegistered(NotificationObserver* observer,
                     int type,
-                    const content::NotificationSource& source);
+                    const NotificationSource& source);
 
  private:
   struct Record;
 
   // We keep registered notifications in a simple vector. This means we'll do
   // brute-force searches when removing them individually, but individual
   // removal is uncommon, and there will typically only be a couple of
   // notifications anyway.
   typedef std::vector<Record> RecordVector;
 
   // Lists all notifications we're currently registered for.
   RecordVector registered_;
 
   DISALLOW_COPY_AND_ASSIGN(NotificationRegistrar);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_NOTIFICATION_REGISTRAR_H_