Convert infobar APIs to UTF-16.

chrome/browser/alternate_nav_url_fetcher.h

 // Copyright (c) 2010 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_ALTERNATE_NAV_URL_FETCHER_H_
 #define CHROME_BROWSER_ALTERNATE_NAV_URL_FETCHER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 38 matching lines @@
 
   // URLFetcher::Delegate
   virtual void OnURLFetchComplete(const URLFetcher* source,
                                   const GURL& url,
                                   const URLRequestStatus& status,
                                   int response_code,
                                   const ResponseCookies& cookies,
                                   const std::string& data);
 
   // LinkInfoBarDelegate
-  virtual std::wstring GetMessageTextWithOffset(size_t* link_offset) const;
-  virtual std::wstring GetLinkText() const;
+  virtual string16 GetMessageTextWithOffset(size_t* link_offset) const;
+  virtual string16 GetLinkText() const;
   virtual SkBitmap* GetIcon() const;
   virtual bool LinkClicked(WindowOpenDisposition disposition);
   virtual void InfoBarClosed();
 
  private:
   // Sets |state_| to either SUCCEEDED or FAILED depending on the result of the
   // fetch.
   void SetStatusFromURLFetch(const GURL& url,
                              const URLRequestStatus& status,
                              int response_code);
@@ skipping 10 matching lines @@
 
   // The TabContents the InfoBarDelegate was added to.
   TabContents* infobar_contents_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(AlternateNavURLFetcher);
 };
 
 #endif  // CHROME_BROWSER_ALTERNATE_NAV_URL_FETCHER_H_