Replace string16 with base::string16.

chrome/browser/captive_portal/captive_portal_tab_helper.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_CAPTIVE_PORTAL_CAPTIVE_PORTAL_TAB_HELPER_H_
 #define CHROME_BROWSER_CAPTIVE_PORTAL_CAPTIVE_PORTAL_TAB_HELPER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 61 matching lines @@
       int64 frame_id,
       int64 parent_frame_id,
       bool is_main_frame,
       const GURL& validated_url,
       bool is_error_page,
       bool is_iframe_srcdoc,
       content::RenderViewHost* render_view_host) OVERRIDE;
 
   virtual void DidCommitProvisionalLoadForFrame(
       int64 frame_id,
-      const string16& frame_unique_name,
+      const base::string16& frame_unique_name,
       bool is_main_frame,
       const GURL& url,
       content::PageTransition transition_type,
       content::RenderViewHost* render_view_host) OVERRIDE;
 
   virtual void DidFailProvisionalLoad(
       int64 frame_id,
-      const string16& frame_unique_name,
+      const base::string16& frame_unique_name,
       bool is_main_frame,
       const GURL& validated_url,
       int error_code,
-      const string16& error_description,
+      const base::string16& error_description,
       content::RenderViewHost* render_view_host) OVERRIDE;
 
   virtual void DidStopLoading(
       content::RenderViewHost* render_view_host) OVERRIDE;
 
   // content::NotificationObserver:
   virtual void Observe(
       int type,
       const content::NotificationSource& source,
       const content::NotificationDetails& details) OVERRIDE;
@@ skipping 58 matching lines @@
   content::RenderViewHost* provisional_render_view_host_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(CaptivePortalTabHelper);
 };
 
 }  // namespace captive_portal
 
 #endif  // CHROME_BROWSER_CAPTIVE_PORTAL_CAPTIVE_PORTAL_TAB_HELPER_H_