Convert HtmlDialogUIDelegate::GetDialogTitle() to string16.

chrome/browser/printing/print_dialog_cloud_internal.h

Index: chrome/browser/printing/print_dialog_cloud_internal.h
diff --git a/chrome/browser/printing/print_dialog_cloud_internal.h b/chrome/browser/printing/print_dialog_cloud_internal.h
index 6e0e9352e1aed577f7216ccbee16431d7d6d09b8..8c6e051a101302bf07bbb975449f7f57be8532a8 100644
--- a/chrome/browser/printing/print_dialog_cloud_internal.h
+++ b/chrome/browser/printing/print_dialog_cloud_internal.h
@@ -153,17 +153,18 @@ class CloudPrintHtmlDialogDelegate : public HtmlDialogUIDelegate {
   virtual ~CloudPrintHtmlDialogDelegate();
 
   // HTMLDialogUIDelegate implementation:
-  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;
 
  private:
   friend class ::CloudPrintHtmlDialogDelegateTest;