Revert 113047 - Make ExtensionService use ExtensionSet.

chrome/renderer/extensions/extension_dispatcher.cc

 // Copyright (c) 2011 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/renderer/extensions/extension_dispatcher.h"
 
 #include "base/command_line.h"
 #include "chrome/common/child_process_logging.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 275 matching lines @@
 
 void ExtensionDispatcher::DidCreateScriptContext(
     WebFrame* frame, v8::Handle<v8::Context> v8_context, int world_id) {
   std::string extension_id;
   if (!test_extension_id_.empty()) {
     extension_id = test_extension_id_;
   } else if (world_id != 0) {
     extension_id = user_script_slave_->GetExtensionIdForIsolatedWorld(world_id);
   } else {
     GURL frame_url = UserScriptSlave::GetDataSourceURLForFrame(frame);
-    extension_id = extensions_.GetIDByURL(
+    extension_id = extensions_.GetIdByURL(
       ExtensionURLInfo(frame->document().securityOrigin(), frame_url));
   }
 
   ChromeV8Context* context =
       new ChromeV8Context(v8_context, frame, extension_id);
   v8_context_set_.Add(context);
 
   context->DispatchOnLoadEvent(
       is_extension_process_,
       ChromeRenderProcessObserver::is_incognito_process());
@@ skipping 142 matching lines @@
 
   RenderThread::Get()->RegisterExtension(extension);
 }
 
 void ExtensionDispatcher::OnUsingWebRequestAPI(
     bool adblock, bool adblock_plus, bool other) {
   webrequest_adblock_ = adblock;
   webrequest_adblock_plus_ = adblock_plus;
   webrequest_other_ = other;
 }