Move PageTransition into content namespace. While I'm touching all these files, I've also updated...

content/browser/load_notification_details.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.
 
 // The LoadNotificationDetails object contains additional details about a
 // page load that has been completed.  It was created to let the MetricsService
 // log page load metrics.
 
 #ifndef CONTENT_BROWSER_LOAD_NOTIFICATION_DETAILS_H_
 #define CONTENT_BROWSER_LOAD_NOTIFICATION_DETAILS_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/time.h"
 #include "content/browser/tab_contents/navigation_controller.h"
-#include "content/common/page_transition_types.h"
+#include "content/public/common/page_transition_types.h"
 #include "googleurl/src/gurl.h"
 
 class LoadNotificationDetails {
  public:
   LoadNotificationDetails(const GURL& url,
-                          PageTransition::Type origin,
+                          content::PageTransition origin,
                           base::TimeDelta load_time,
                           NavigationController* controller,
                           int session_index)
       : url_(url),
         load_time_(load_time),
         session_index_(session_index),
         origin_(origin),
         controller_(controller) {}
 
   ~LoadNotificationDetails() {}
 
   const GURL& url() const { return url_; }
-  PageTransition::Type origin() const { return origin_; }
+  content::PageTransition origin() const { return origin_; }
   base::TimeDelta load_time() const { return load_time_; }
   int session_index() const { return session_index_; }
   NavigationController* controller() const { return controller_; }
 
  private:
   // The URL loaded.
   GURL url_;
 
   // The length of time the page load took.
   base::TimeDelta load_time_;
 
   // The index of the load within the tab session.
   int session_index_;
 
   // The type of action that caused the load.
-  PageTransition::Type origin_;
+  content::PageTransition origin_;
 
   // The NavigationController for the load.
   NavigationController* controller_;
 
   LoadNotificationDetails() {}
 
   DISALLOW_COPY_AND_ASSIGN(LoadNotificationDetails);
 };
 
 #endif  // CONTENT_BROWSER_LOAD_NOTIFICATION_DETAILS_H_