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

chrome/browser/intents/web_intents_registry_unittest.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 "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
@@ skipping 85 matching lines @@
     db_thread_.Start();
     wds_ = new WebDataService();
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     wds_->Init(temp_dir_.path());
     registry_.Initialize(wds_, &extension_service_);
     EXPECT_CALL(extension_service_, extensions()).
         WillRepeatedly(testing::Return(&extensions_));
     EXPECT_CALL(extension_service_, GetExtensionById(testing::_, testing::_)).
         WillRepeatedly(
             testing::Invoke(this, &WebIntentsRegistryTest::GetExtensionById));
-    extensions::ManifestHandler::Register(extension_manifest_keys::kIntents,
-                                          new extensions::WebIntentsHandler);
+    extensions::ManifestHandler::Register(
+        extension_manifest_keys::kIntents,
+        make_linked_ptr(new extensions::WebIntentsHandler));
   }
 
   virtual void TearDown() {
     // Clear all references to wds to force it destruction.
     wds_->ShutdownOnUIThread();
     wds_ = NULL;
 
     // Schedule another task on the DB thread to notify us that it's safe to
     // carry on with the test.
     base::WaitableEvent done(false, false);
@@ skipping 679 matching lines @@
 
   registry_.GetAllDefaultIntentServices(
       base::Bind(&DefaultServiceListConsumer::Accept,
                  base::Unretained(&consumer)));
 
   consumer.WaitForData();
 
   ASSERT_EQ(1U, consumer.services_.size());
   EXPECT_EQ(service_url_1.spec(), consumer.services_[0].service_url);
 }