Stop sending events and messages to content script contexts after their

chrome/browser/extensions/user_script_master.cc

Index: chrome/browser/extensions/user_script_master.cc
diff --git a/chrome/browser/extensions/user_script_master.cc b/chrome/browser/extensions/user_script_master.cc
index 5f0988c0c033c128dbaab16e7fb5139d7d1466fd..543379b782f5794845329f4990fc86fa2bfe6a01 100644
--- a/chrome/browser/extensions/user_script_master.cc
+++ b/chrome/browser/extensions/user_script_master.cc
@@ -385,10 +385,6 @@ void UserScriptMaster::Observe(int type,
       }
       user_scripts_ = new_user_scripts;
       should_start_load = true;
-
-      // TODO(aa): Do we want to do something smarter for the scripts that have
-      // already been injected?
-
       break;
     }
     case content::NOTIFICATION_RENDERER_PROCESS_CREATED: {