Convert HtmlDialogUIDelegate::GetDialogTitle() to string16.

chrome/browser/ui/gtk/html_dialog_gtk.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_GTK_HTML_DIALOG_GTK_H_
 #define CHROME_BROWSER_UI_GTK_HTML_DIALOG_GTK_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 17 matching lines @@
                       public HtmlDialogUIDelegate {
  public:
   HtmlDialogGtk(Profile* profile, HtmlDialogUIDelegate* delegate,
                 gfx::NativeWindow parent_window);
   virtual ~HtmlDialogGtk();
 
   // Initializes the contents of the dialog (the DOMView and the callbacks).
   gfx::NativeWindow InitDialog();
 
   // 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 void CloseContents(TabContents* source);
-  virtual bool ShouldShowDialogTitle() const;
+      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 void CloseContents(TabContents* source) OVERRIDE;
+  virtual bool ShouldShowDialogTitle() const OVERRIDE;
 
   // Overridden from TabContentsDelegate:
   virtual void HandleKeyboardEvent(const NativeWebKeyboardEvent& event);
 
  private:
   CHROMEGTK_CALLBACK_1(HtmlDialogGtk, void, OnResponse, int);
 
   // This view is a delegate to the HTML content since it needs to get notified
   // about when the dialog is closing. For all other actions (besides dialog
   // closing) we delegate to the creator of this view, which we keep track of
   // using this variable.
   HtmlDialogUIDelegate* delegate_;
 
   gfx::NativeWindow parent_window_;
 
   GtkWidget* dialog_;
 
   scoped_ptr<TabContentsWrapper> tab_;
   scoped_ptr<TabContentsContainerGtk> tab_contents_container_;
 
   DISALLOW_COPY_AND_ASSIGN(HtmlDialogGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_HTML_DIALOG_GTK_H_