Revert of Makes the component installers return a Result instead of a bool.

chrome/browser/policy/policy_browsertest.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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
 #include <string>
@@ skipping 100 matching lines @@
 #include "components/policy/core/common/policy_types.h"
 #include "components/policy/policy_constants.h"
 #include "components/prefs/pref_service.h"
 #include "components/search/search.h"
 #include "components/search_engines/template_url.h"
 #include "components/search_engines/template_url_service.h"
 #include "components/security_interstitials/core/controller_client.h"
 #include "components/strings/grit/components_strings.h"
 #include "components/translate/core/browser/language_state.h"
 #include "components/translate/core/browser/translate_infobar_delegate.h"
-#include "components/update_client/update_client.h"
 #include "components/update_client/update_client_errors.h"
 #include "components/update_client/url_request_post_interceptor.h"
 #include "components/user_prefs/user_prefs.h"
 #include "components/variations/service/variations_service.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/download_manager.h"
@@ skipping 3487 matching lines @@
 }
 
 update_client::CrxComponent ComponentUpdaterPolicyTest::MakeCrxComponent(
     bool supports_group_policy_enable_component_updates) {
   class MockInstaller : public update_client::CrxInstaller {
    public:
     MockInstaller() {}
 
     MOCK_METHOD1(OnUpdateError, void(int error));
     MOCK_METHOD2(Install,
-                 update_client::CrxInstaller::Result(
-                     const base::DictionaryValue& manifest,
-                     const base::FilePath& unpack_path));
+                 bool(const base::DictionaryValue& manifest,
+                      const base::FilePath& unpack_path));
     MOCK_METHOD2(GetInstalledFile,
                  bool(const std::string& file, base::FilePath* installed_file));
     MOCK_METHOD0(Uninstall, bool());
 
    private:
     ~MockInstaller() override {}
   };
 
   // component id "jebgalgnebhfojomionfpkfelancnnkf".
   static const uint8_t jebg_hash[] = {
@@ skipping 585 matching lines @@
 
   SetEmptyPolicy();
   // Policy not set.
   CheckSystemTimezoneAutomaticDetectionPolicyUnset();
   EXPECT_TRUE(CheckResolveTimezoneByGeolocation(true, false));
   EXPECT_TRUE(manager->TimeZoneResolverShouldBeRunningForTests());
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace policy