chrome: Put browser_navigator.h into chrome namespace.

chrome/browser/ui/browser.h

 // Copyright (c) 2012 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_UI_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 414 matching lines @@
       bool user_gesture);
 
   // Helper function to handle find results.
   static void FindReplyHelper(content::WebContents* web_contents,
                               int request_id,
                               int number_of_matches,
                               const gfx::Rect& selection_rect,
                               int active_match_ordinal,
                               bool final_update);
 
-  // Called by browser::Navigate() when a navigation has occurred in a tab in
+  // Called by chrome::Navigate() when a navigation has occurred in a tab in
   // this Browser. Updates the UI for the start of this navigation.
   void UpdateUIForNavigationInTab(TabContents* contents,
                                   content::PageTransition transition,
                                   bool user_initiated);
 
   // Interface implementations ////////////////////////////////////////////////
 
   // Overridden from content::PageNavigator:
   virtual content::WebContents* OpenURL(
       const content::OpenURLParams& params) OVERRIDE;
@@ skipping 602 matching lines @@
   bool window_has_shown_;
 
   // Currently open color chooser. Non-NULL after OpenColorChooser is called and
   // before DidEndColorChooser is called.
   scoped_ptr<content::ColorChooser> color_chooser_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_