Refactoring: de-couple Extensions from "script injection System" [render side]:4

extensions/renderer/dispatcher.cc

 // Copyright 2014 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 "extensions/renderer/dispatcher.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 1133 matching lines @@
             extension->permissions_data()->GetEffectiveHostPermissions());
       }
     }
   }
 }
 
 void Dispatcher::OnUsingWebRequestAPI(bool webrequest_used) {
   webrequest_used_ = webrequest_used;
 }
 
-void Dispatcher::OnUserScriptsUpdated(
-      const std::set<std::string>& changed_extensions,
-      const std::vector<UserScript*>& scripts) {
+void Dispatcher::OnUserScriptsUpdated(const std::set<HostID>& changed_hosts,
+                                      const std::vector<UserScript*>& scripts) {
   UpdateActiveExtensions();
 }
 
 void Dispatcher::UpdateActiveExtensions() {
   std::set<std::string> active_extensions = active_extension_ids_;
   user_script_set_manager_->GetAllActiveExtensionIds(&active_extensions);
   delegate_->OnActiveExtensionsUpdated(active_extensions);
 }
 
 void Dispatcher::InitOriginPermissions(const Extension* extension) {
@@ skipping 386 matching lines @@
     return v8::Handle<v8::Object>();
 
   if (bind_name)
     *bind_name = split.back();
 
   return bind_object.IsEmpty() ? AsObjectOrEmpty(GetOrCreateChrome(context))
                                : bind_object;
 }
 
 }  // namespace extensions