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

chrome/common/extensions/manifest_tests/extension_manifests_web_accessible_resources_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 "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_accessible_resources_handler.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using extensions::Extension;
 using extensions::WebAccessibleResourcesInfo;
 
 class WebAccessibleResourcesManifestTest : public ExtensionManifestTest {
   virtual void SetUp() OVERRIDE {
     ExtensionManifestTest::SetUp();
     extensions::ManifestHandler::Register(
         extension_manifest_keys::kWebAccessibleResources,
-        new extensions::WebAccessibleResourcesHandler);
+        make_linked_ptr(new extensions::WebAccessibleResourcesHandler));
   }
 };
 
 TEST_F(WebAccessibleResourcesManifestTest, WebAccessibleResources) {
   // Manifest version 2 with web accessible resources specified.
   scoped_refptr<Extension> extension1(
       LoadAndExpectSuccess("web_accessible_resources_1.json"));
 
   // Manifest version 2 with no web accessible resources.
   scoped_refptr<Extension> extension2(
@@ skipping 51 matching lines @@
   EXPECT_TRUE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
       extension5, "path/anything"));
 
   EXPECT_TRUE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
       extension6, "path/anything.ext"));
   EXPECT_FALSE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
       extension6, "anything.ext"));
   EXPECT_FALSE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
       extension6, "path/anything.badext"));
 }