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

chrome/common/extensions/manifest_tests/extension_manifests_web_intents_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/utf_string_conversions.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/manifest_handler.h"
 #include "chrome/common/extensions/manifest_tests/extension_manifest_test.h"
 #include "chrome/common/extensions/web_intents_handler.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/glue/web_intent_service_data.h"
 
 using extensions::Extension;
 using extensions::WebIntentsInfo;
 
 namespace errors = extension_manifest_errors;
 
 class WebIntentsManifestTest : public ExtensionManifestTest {
   virtual void SetUp() OVERRIDE {
     ExtensionManifestTest::SetUp();
-    extensions::ManifestHandler::Register(extension_manifest_keys::kIntents,
-                                          new extensions::WebIntentsHandler);
+    extensions::ManifestHandler::Register(
+        extension_manifest_keys::kIntents,
+        make_linked_ptr(new extensions::WebIntentsHandler));
   }
 };
 
 TEST_F(WebIntentsManifestTest, WebIntents) {
   Testcase testcases[] = {
     Testcase("intent_invalid_1.json", errors::kInvalidIntents),
     Testcase("intent_invalid_2.json", errors::kInvalidIntent),
     Testcase("intent_invalid_3.json", errors::kInvalidIntentHref),
     Testcase("intent_invalid_4.json", errors::kInvalidIntentDisposition),
     Testcase("intent_invalid_5.json", errors::kInvalidIntentType),
@@ skipping 136 matching lines @@
 
   extension = LoadAndExpectSuccess("intent_valid_blank_action_packaged.json");
   ASSERT_TRUE(extension);
 
   ASSERT_EQ(1u, WebIntentsInfo::GetIntentsServices(extension).size());
   EXPECT_EQ("chrome-extension",
       WebIntentsInfo::GetIntentsServices(extension)[0].service_url.scheme());
   EXPECT_EQ("/main.html",
       WebIntentsInfo::GetIntentsServices(extension)[0].service_url.path());
 }