Allow manifest handlers to declare keys they depend on that must be parsed before them.

chrome/browser/extensions/web_intents_parser.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/web_intents_parser.h"
 
 #include "base/lazy_instance.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/manifest_handler.h"
 #include "chrome/common/extensions/web_intents_handler.h"
 
 namespace extensions {
 
 WebIntentsParser::WebIntentsParser(Profile* profile) {
   ManifestHandler::Register(extension_manifest_keys::kIntents,
-                            new WebIntentsHandler);
+                            make_linked_ptr(new WebIntentsHandler));
 }
 
 WebIntentsParser::~WebIntentsParser() {
 }
 
 static base::LazyInstance<ProfileKeyedAPIFactory<WebIntentsParser> >
 g_factory = LAZY_INSTANCE_INITIALIZER;
 
 // static
 ProfileKeyedAPIFactory<WebIntentsParser>*
     WebIntentsParser::GetFactoryInstance() {
   return &g_factory.Get();
 }
 
 }  // namespace extensions