Implement HandleKeyboardEvent() method in HtmlDialog implementations....

chrome/browser/gtk/html_dialog_gtk.h

 // Copyright (c) 2009 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_GTK_HTML_DIALOG_GTK_H_
 #define CHROME_BROWSER_GTK_HTML_DIALOG_GTK_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 29 matching lines @@
   virtual GURL GetDialogContentURL() const;
   virtual void GetDOMMessageHandlers(
       std::vector<DOMMessageHandler*>* handlers) const;
   virtual void GetDialogSize(gfx::Size* size) const;
   virtual std::string GetDialogArgs() const;
   virtual void OnDialogClosed(const std::string& json_retval);
 
   // Overridden from TabContentsDelegate:
   virtual void MoveContents(TabContents* source, const gfx::Rect& pos);
   virtual void ToolbarSizeChanged(TabContents* source, bool is_animating);
+  virtual void HandleKeyboardEvent(const NativeWebKeyboardEvent& event);
 
  private:
   static void OnResponse(GtkWidget* widget, int response,
                          HtmlDialogGtk* dialog);
 
   // 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<TabContents> tab_contents_;
   scoped_ptr<TabContentsContainerGtk> tab_contents_container_;
 
   DISALLOW_COPY_AND_ASSIGN(HtmlDialogGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_HTML_DIALOG_GTK_H_