Contributed by Eriq Augustine <eriq.augustine@gmail.com>

chrome/browser/extensions/extension_context_menu_api.cc

Index: chrome/browser/extensions/extension_context_menu_api.cc
===================================================================
--- chrome/browser/extensions/extension_context_menu_api.cc	(revision 114114)
+++ chrome/browser/extensions/extension_context_menu_api.cc	(working copy)
@@ -265,6 +265,8 @@
   if (!success)
     return false;
 
+  menu_manager->SanitizeRadioButtons();
+
   return true;
 }
 
@@ -332,6 +334,8 @@
   if (!SetURLPatterns(*properties, item))
     return false;
 
+  menu_manager->SanitizeRadioButtons();
+
   return true;
 }
 
@@ -349,7 +353,12 @@
     return false;
   }
 
-  return manager->RemoveContextMenuItem(id);
+  if (manager->RemoveContextMenuItem(id)) {

[Aaron Boodman, 2011/12/15 00:43:21]

We usually prefer the opposite pattern:

if (!somethingThatCanFail())
  return false;

finalCleanupStuff();
return true;

+    manager->SanitizeRadioButtons();
+    return true;
+  }
+
+  return false;
 }
 
 bool RemoveAllContextMenusFunction::RunImpl() {