Convert HtmlDialogUIDelegate::GetDialogTitle() to string16.

chrome/browser/ui/gtk/html_dialog_gtk.h

Index: chrome/browser/ui/gtk/html_dialog_gtk.h
diff --git a/chrome/browser/ui/gtk/html_dialog_gtk.h b/chrome/browser/ui/gtk/html_dialog_gtk.h
index e99288fed2a5c7f199d191cbc1b0a7f051e5ffdc..58e49e095a850fcda2c40417937dcbca2e6d6a1f 100644
--- a/chrome/browser/ui/gtk/html_dialog_gtk.h
+++ b/chrome/browser/ui/gtk/html_dialog_gtk.h
@@ -35,17 +35,18 @@ class HtmlDialogGtk : public HtmlDialogTabContentsDelegate,
   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);