Disable the 'About Chrome Frame' option in the context menu for the N…

…PAPI plugin.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/3614014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@62010 0039d316-1c4b-4281-b951-d872f2087c98

chrome_frame/chrome_frame_npapi.cc

@@ -1440,6 +1440,16 @@ bool ChromeFrameNPAPI::GetBrowserIncognitoMode() {
   return incognito_mode;
 }
 
+bool ChromeFrameNPAPI::PreProcessContextMenu(HMENU menu) {
+  // TODO: Remove this overridden method once HandleContextMenuCommand
+  // implements "About Chrome Frame" handling.
+  if (!is_privileged_) {
+    // Call base class (adds 'About' item).
+    return ChromeFramePlugin::PreProcessContextMenu(menu);
+  }
+  return true;
+}
+
 bool ChromeFrameNPAPI::HandleContextMenuCommand(UINT cmd,
     const IPC::ContextMenuParams& params) {
   if (cmd == IDC_ABOUT_CHROME_FRAME) {

chrome_frame/chrome_frame_npapi.h

@@ -126,6 +126,7 @@ END_MSG_MAP()
   // Initialize string->identifier mapping, public to allow unittesting.
   static void InitializeIdentifiers();
 
+  bool PreProcessContextMenu(HMENU menu);
   bool HandleContextMenuCommand(UINT cmd, const IPC::ContextMenuParams& params);
  protected:
   // Handler for accelerator messages passed on from the hosted chrome