content: Remove unnecessary content:: from Notification classes.

content/public/browser/notification_registrar.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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/public/browser/notification_registrar.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/threading/platform_thread.h"
 #include "content/browser/notification_service_impl.h"
 
 namespace {
 
 void CheckCalledOnValidThread(base::PlatformThreadId thread_id) {
   base::PlatformThreadId current_thread_id = base::PlatformThread::CurrentId();
   CHECK(current_thread_id == thread_id) << "called on invalid thread: "
                                         << thread_id << " vs. "
                                         << current_thread_id;
 }
 
 }  // namespace
 
 namespace content {
 
 struct NotificationRegistrar::Record {
   bool operator==(const Record& other) const;
 
   NotificationObserver* observer;
   int type;
-  content::NotificationSource source;
+  NotificationSource source;
   base::PlatformThreadId thread_id;
 };
 
 bool NotificationRegistrar::Record::operator==(const Record& other) const {
   return observer == other.observer &&
          type == other.type &&
          source == other.source;
   // thread_id is for debugging purpose and thus not compared here.
 }
 
 NotificationRegistrar::NotificationRegistrar() {
   // Force the NotificationService to be constructed (if it isn't already).
   // This ensures the NotificationService will be registered on the
   // AtExitManager before any objects which access it via NotificationRegistrar.
   // This in turn means it will be destroyed after these objects, so they will
   // never try to access the NotificationService after it's been destroyed.
   NotificationServiceImpl::current();
 }
 
 NotificationRegistrar::~NotificationRegistrar() {
   RemoveAll();
 }
 
 void NotificationRegistrar::Add(NotificationObserver* observer,
                                 int type,
-                                const content::NotificationSource& source) {
+                                const NotificationSource& source) {
   DCHECK(!IsRegistered(observer, type, source)) << "Duplicate registration.";
 
   Record record = { observer, type, source, base::PlatformThread::CurrentId() };
   registered_.push_back(record);
 
   NotificationServiceImpl::current()->AddObserver(observer, type, source);
 }
 
 void NotificationRegistrar::Remove(NotificationObserver* observer,
                                    int type,
-                                   const content::NotificationSource& source) {
+                                   const NotificationSource& source) {
   if (!IsRegistered(observer, type, source)) {
     NOTREACHED() << "Trying to remove unregistered observer of type " <<
         type << " from list of size " << registered_.size() << ".";
     return;
   }
 
   Record record = { observer, type, source };
   RecordVector::iterator found = std::find(
       registered_.begin(), registered_.end(), record);
   CheckCalledOnValidThread(found->thread_id);
@@ skipping 28 matching lines @@
                               registered_[i].source);
     }
   }
   registered_.clear();
 }
 
 bool NotificationRegistrar::IsEmpty() const {
   return registered_.empty();
 }
 
-bool NotificationRegistrar::IsRegistered(
-    NotificationObserver* observer,
-    int type,
-    const content::NotificationSource& source) {
+bool NotificationRegistrar::IsRegistered(NotificationObserver* observer,
+                                         int type,
+                                         const NotificationSource& source) {
   Record record = { observer, type, source };
   return std::find(registered_.begin(), registered_.end(), record) !=
       registered_.end();
 }
 
 }  // namespace content