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

chrome/browser/printing/print_dialog_cloud.cc

 // 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.
 
 #include "chrome/browser/printing/print_dialog_cloud.h"
 #include "chrome/browser/printing/print_dialog_cloud_internal.h"
 
 #include "base/base64.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 488 matching lines @@
 void CloudPrintHtmlDialogDelegate::OnCloseContents(TabContents* source,
                                                    bool* out_close_dialog) {
   if (out_close_dialog)
     *out_close_dialog = true;
 }
 
 bool CloudPrintHtmlDialogDelegate::ShouldShowDialogTitle() const {
   return false;
 }
 
+bool CloudPrintHtmlDialogDelegate::HandleContextMenu(
+    const ContextMenuParams& params) {
+  return true;
+}
+
 // Called from the UI thread, starts up the dialog.
 void CreateDialogImpl(const FilePath& path_to_file,
                       const string16& print_job_title,
                       const std::string& file_type,
                       bool modal) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   Browser* browser = BrowserList::GetLastActive();
 
   const int kDefaultWidth = 497;
   const int kDefaultHeight = 332;
@@ skipping 87 matching lines @@
                                                    print_job_title,
                                                    file_type,
                                                    false);
       return true;
     }
   }
   return false;
 }
 
 }  // end namespace