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

chrome/browser/extensions/sandboxed_unpacker_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/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
@@ skipping 51 matching lines @@
   virtual void SetUp() {
    ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
    ASSERT_TRUE(extensions_dir_.CreateUniqueTempDir());
     file_thread_.reset(new content::TestBrowserThread(BrowserThread::FILE,
                                                       &loop_));
     // It will delete itself.
     client_ = new MockSandboxedUnpackerClient;
     client_->DelegateToFake();
     extensions::ManifestHandler::Register(
         extension_manifest_keys::kDefaultLocale,
-        new extensions::DefaultLocaleHandler);
+        make_linked_ptr(new extensions::DefaultLocaleHandler));
   }
 
   virtual void TearDown() {
     // Need to destruct SandboxedUnpacker before the message loop since
     // it posts a task to it.
     sandboxed_unpacker_ = NULL;
     loop_.RunUntilIdle();
   }
 
   void SetupUnpacker(const std::string& crx_name) {
@@ skipping 133 matching lines @@
   // Check that there is newer _locales/en_US/messages.json file.
   base::PlatformFileInfo new_info;
   EXPECT_TRUE(file_util::GetFileInfo(messages_file, &new_info));
 
   EXPECT_TRUE(new_info.last_modified > old_info.last_modified);
 
   ASSERT_TRUE(TempFilesRemoved());
 }
 
 }  // namespace extensions