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

components/component_updater/component_updater_service_unittest.cc

 // Copyright 2015 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 "components/component_updater/component_updater_service.h"
 
 #include <limits>
 #include <string>
 #include <vector>
 
@@ skipping 12 matching lines @@
 #include "base/values.h"
 #include "components/component_updater/component_updater_service_internal.h"
 #include "components/update_client/test_configurator.h"
 #include "components/update_client/test_installer.h"
 #include "components/update_client/update_client.h"
 #include "components/update_client/update_client_errors.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using Configurator = update_client::Configurator;
-using Result = update_client::CrxInstaller::Result;
 using TestConfigurator = update_client::TestConfigurator;
 using UpdateClient = update_client::UpdateClient;
 
 using ::testing::_;
 using ::testing::AnyNumber;
 using ::testing::Invoke;
 using ::testing::Mock;
 using ::testing::Return;
 
 namespace component_updater {
 
 class MockInstaller : public CrxInstaller {
  public:
   MockInstaller();
 
   MOCK_METHOD1(OnUpdateError, void(int error));
   MOCK_METHOD2(Install,
-               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;
 };
 
 class MockUpdateClient : public UpdateClient {
  public:
@@ skipping 336 matching lines @@
       base::Bind(&ComponentUpdaterTest::ReadyCallback));
 
   RunThreads();
 
   ht.ExpectUniqueSample("ComponentUpdater.Calls", 0, 1);
   ht.ExpectUniqueSample("ComponentUpdater.UpdateCompleteResult", 0, 1);
   ht.ExpectTotalCount("ComponentUpdater.UpdateCompleteTime", 1);
 }
 
 }  // namespace component_updater