Disable the context menu on the keyboard overlay and the print dialog.

chrome/browser/printing/print_dialog_cloud_internal.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_PRINTING_PRINT_DIALOG_CLOUD_INTERNAL_H_
 #define CHROME_BROWSER_PRINTING_PRINT_DIALOG_CLOUD_INTERNAL_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 140 matching lines @@
   virtual bool IsDialogModal() const;
   virtual std::wstring GetDialogTitle() const;
   virtual GURL GetDialogContentURL() const;
   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);
 
  private:
   friend class ::CloudPrintHtmlDialogDelegateTest;
 
   // For unit testing.
   CloudPrintHtmlDialogDelegate(CloudPrintFlowHandler* flow_handler,
                                int width, int height,
                                const std::string& json_arguments,
                                bool modal);
   void Init(int width, int height, const std::string& json_arguments);
 
   CloudPrintFlowHandler* flow_handler_;
   bool modal_;
   mutable bool owns_flow_handler_;
 
   // The parameters needed to display a modal HTML dialog.
   HtmlDialogUI::HtmlDialogParams params_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPrintHtmlDialogDelegate);
 };
 
 void CreateDialogImpl(const FilePath& path_to_file,
                       const string16& print_job_title,
                       const std::string& file_type,
                       bool modal);
 
 }  // namespace internal_cloud_print_helpers
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_DIALOG_CLOUD_INTERNAL_H_