Stop sending events and messages to content script contexts after their

chrome/browser/extensions/user_script_master.cc

 // Copyright (c) 2012 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/extensions/user_script_master.h"
 
 #include <map>
 #include <string>
 #include <vector>
 
@@ skipping 367 matching lines @@
           content::Details<UnloadedExtensionInfo>(details)->extension;
       extensions_info_.erase(extension->id());
       UserScriptList new_user_scripts;
       for (UserScriptList::iterator iter = user_scripts_.begin();
            iter != user_scripts_.end(); ++iter) {
         if (iter->extension_id() != extension->id())
           new_user_scripts.push_back(*iter);
       }
       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: {
       content::RenderProcessHost* process =
           content::Source<content::RenderProcessHost>(source).ptr();
       Profile* profile = Profile::FromBrowserContext(
           process->GetBrowserContext());
       if (!profile_->IsSameProfile(profile))
         return;
       if (ScriptsReady())
@@ skipping 35 matching lines @@
 
   base::SharedMemoryHandle handle_for_process;
   if (!shared_memory->ShareToProcess(handle, &handle_for_process))
     return;  // This can legitimately fail if the renderer asserts at startup.
 
   if (base::SharedMemory::IsHandleValid(handle_for_process))
     process->Send(new ExtensionMsg_UpdateUserScripts(handle_for_process));
 }
 
 }  // namespace extensions