Consolidate manifest handler registration.

chrome/browser/chromeos/extensions/file_manager/file_manager_manifest_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/strings/string_number_conversions.h"
 #include "chrome/browser/chromeos/extensions/file_manager/file_browser_handler.h"
 #include "chrome/common/extensions/extension_builder.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/manifest_tests/extension_manifest_test.h"
-#include "chrome/common/extensions/manifest_url_handler.h"
 #include "chrome/common/extensions/value_builder.h"
 #include "extensions/common/error_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace errors = extension_manifest_errors;
 
 using extensions::DictionaryBuilder;
 using extensions::Extension;
 using extensions::ExtensionBuilder;
 using extensions::ListBuilder;
 
 namespace {
 
 class FileBrowserHandlerManifestTest : public ExtensionManifestTest {
+ protected:
   virtual void SetUp() OVERRIDE {
     ExtensionManifestTest::SetUp();
     (new FileBrowserHandlerParser)->Register();
-    (new extensions::URLOverridesHandler)->Register();
   }
 };
 
 TEST_F(FileBrowserHandlerManifestTest, InvalidFileBrowserHandlers) {
   Testcase testcases[] = {
     Testcase("filebrowser_invalid_access_permission.json",
              extensions::ErrorUtils::FormatErrorMessage(
                  errors::kInvalidFileAccessValue, base::IntToString(1))),
     Testcase("filebrowser_invalid_access_permission_list.json",
              errors::kInvalidFileAccessList),
@@ skipping 135 matching lines @@
   LoadExtension(Manifest(manifest_value.get(), "override_files"),
                 &error, extensions::Manifest::COMPONENT, Extension::NO_FLAGS);
 #if defined(FILE_MANAGER_EXTENSION)
   EXPECT_EQ("", error);
 #else
   EXPECT_EQ(std::string(errors::kInvalidChromeURLOverrides), error);
 #endif
 }
 
 }  // namespace