Refactor ExtensionManifestTest to allow usage in src/extensions

extensions/common/manifest_handlers/file_handler_manifest_unittest.cc

 // Copyright 2014 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/manifest_tests/extension_manifest_test.h"
+#include "chrome/common/extensions/manifest_tests/chrome_manifest_test.h"
 #include "extensions/common/manifest_constants.h"
 #include "extensions/common/manifest_handlers/file_handler_info.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
 
 namespace errors = manifest_errors;
 
-class FileHandlersManifestTest : public ExtensionManifestTest {
+// TODO(jamescook): Convert from ChromeManifestTest to ManifestTest.
+class FileHandlersManifestTest : public ChromeManifestTest {
 };
 
 TEST_F(FileHandlersManifestTest, InvalidFileHandlers) {
   Testcase testcases[] = {
     Testcase("file_handlers_invalid_handlers.json",
              errors::kInvalidFileHandlers),
     Testcase("file_handlers_invalid_type.json",
              errors::kInvalidFileHandlerType),
     Testcase("file_handlers_invalid_extension.json",
              errors::kInvalidFileHandlerExtension),
@@ skipping 39 matching lines @@
   scoped_refptr<const Extension> extension =
       LoadAndExpectSuccess("file_handlers_invalid_not_app.json");
 
   ASSERT_TRUE(extension.get());
   const FileHandlersInfo* handlers =
       FileHandlers::GetFileHandlers(extension.get());
   ASSERT_TRUE(handlers == NULL);
 }
 
 }  // namespace extensions