Convert HtmlDialogUIDelegate::GetDialogTitle() to string16.

chrome/browser/ui/views/keyboard_overlay_delegate.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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_KEYBOARD_OVERLAY_DELEGATE_H_
 #define CHROME_BROWSER_UI_VIEWS_KEYBOARD_OVERLAY_DELEGATE_H_
 
 #include "chrome/browser/ui/webui/html_dialog_ui.h"
 
 
 class HtmlDialogView;
 
 class KeyboardOverlayDelegate : public HtmlDialogUIDelegate {
  public:
   explicit KeyboardOverlayDelegate(const std::wstring& title);
 
   void set_view(HtmlDialogView* html_view) {
     view_ = html_view;
   }
 
   HtmlDialogView* view() {
     return view_;
   }
 
  private:
   virtual ~KeyboardOverlayDelegate();
 
   // Overridden from HtmlDialogUI::Delegate:
-  virtual bool IsDialogModal() const;
-  virtual std::wstring GetDialogTitle() const;
-  virtual GURL GetDialogContentURL() const;
+  virtual bool IsDialogModal() const OVERRIDE;
+  virtual string16 GetDialogTitle() const OVERRIDE;
+  virtual GURL GetDialogContentURL() const OVERRIDE;
   virtual void GetWebUIMessageHandlers(
-      std::vector<WebUIMessageHandler*>* handlers) const;
-  virtual void GetDialogSize(gfx::Size* size) const;
-  virtual std::string GetDialogArgs() const;
-  virtual void OnDialogClosed(const std::string& json_retval);
-  virtual void OnCloseContents(TabContents* source, bool* out_close_dialog);
-  virtual bool ShouldShowDialogTitle() const;
-  virtual bool HandleContextMenu(const ContextMenuParams& params);
+      std::vector<WebUIMessageHandler*>* handlers) const OVERRIDE;
+  virtual void GetDialogSize(gfx::Size* size) const OVERRIDE;
+  virtual std::string GetDialogArgs() const OVERRIDE;
+  virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE;
+  virtual void OnCloseContents(TabContents* source, bool* out_close_dialog)
+      OVERRIDE;
+  virtual bool ShouldShowDialogTitle() const OVERRIDE;
+  virtual bool HandleContextMenu(const ContextMenuParams& params) OVERRIDE;
 
   // The dialog title.
-  std::wstring title_;
+  string16 title_;
 
   // The view associated with this delegate.
   // This class does not own the pointer.
   HtmlDialogView* view_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyboardOverlayDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_KEYBOARD_OVERLAY_DELEGATE_H_