Convert infobar APIs to UTF-16.

chrome/browser/autofill/autofill_cc_infobar_delegate.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_AUTOFILL_AUTOFILL_CC_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_AUTOFILL_AUTOFILL_CC_INFOBAR_DELEGATE_H_
 #pragma once
 
 #include <string>
 
 #include "chrome/browser/tab_contents/infobar_delegate.h"
 
 class AutoFillManager;
 class Browser;
 class SkBitmap;
 class TabContents;
 
 // An InfoBar delegate that enables the user to allow or deny storing credit
 // card information gathered from a form submission.
 class AutoFillCCInfoBarDelegate : public ConfirmInfoBarDelegate {
  public:
   AutoFillCCInfoBarDelegate(TabContents* tab_contents, AutoFillManager* host);
   virtual ~AutoFillCCInfoBarDelegate();
 
   // ConfirmInfoBarDelegate implementation.
   virtual bool ShouldExpire(
      const NavigationController::LoadCommittedDetails& details) const;
   virtual void InfoBarClosed();
-  virtual std::wstring GetMessageText() const;
+  virtual string16 GetMessageText() const;
   virtual SkBitmap* GetIcon() const;
   virtual int GetButtons() const;
-  virtual std::wstring GetButtonLabel(
+  virtual string16 GetButtonLabel(
      ConfirmInfoBarDelegate::InfoBarButton button) const;
   virtual bool Accept();
   virtual bool Cancel();
-  virtual std::wstring GetLinkText();
+  virtual string16 GetLinkText();
   virtual bool LinkClicked(WindowOpenDisposition disposition);
 
 #if defined(OS_WIN)
   // Overridden from InfoBarDelegate:
   virtual InfoBar* CreateInfoBar();
 #endif  // defined(OS_WIN)
 
   virtual Type GetInfoBarType() {
     return PAGE_ACTION_TYPE;
   }
 
  private:
   // The browser.
   Browser* browser_;
 
   // The AutoFillManager that initiated this InfoBar.
   AutoFillManager* host_;
 
   DISALLOW_COPY_AND_ASSIGN(AutoFillCCInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_AUTOFILL_AUTOFILL_CC_INFOBAR_DELEGATE_H_