Move ExtensionServiceTestBase into it's own header/cc file

chrome/browser/extensions/external_provider_impl_chromeos_unittest.cc

 // Copyright 2013 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/browser/extensions/external_provider_impl.h"
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/test/scoped_path_override.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/customization_document.h"
 #include "chrome/browser/chromeos/login/users/fake_user_manager.h"
-#include "chrome/browser/extensions/extension_service_unittest.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_service_test_base.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
 #include "chromeos/system/mock_statistics_provider.h"
 #include "chromeos/system/statistics_provider.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_utils.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
@@ skipping 32 matching lines @@
   }
 
   // ExtensionServiceTestBase overrides:
   virtual void SetUp() OVERRIDE {
     ExtensionServiceTestBase::SetUp();
 
     TestingBrowserProcess::GetGlobal()->SetLocalState(&local_state_);
     chromeos::ServicesCustomizationDocument::RegisterPrefs(
         local_state_.registry());
 
-    external_externsions_overrides_.reset(
-        new base::ScopedPathOverride(chrome::DIR_EXTERNAL_EXTENSIONS,
-                                     data_dir_.Append("external")));
+    external_externsions_overrides_.reset(new base::ScopedPathOverride(
+        chrome::DIR_EXTERNAL_EXTENSIONS, data_dir().Append("external")));
 
     chromeos::system::StatisticsProvider::SetTestProvider(
         &mock_statistics_provider_);
     EXPECT_CALL(mock_statistics_provider_, GetMachineStatistic(_, NotNull()))
         .WillRepeatedly(Return(false));
   }
 
   virtual void TearDown() OVERRIDE {
     chromeos::system::StatisticsProvider::SetTestProvider(NULL);
     TestingBrowserProcess::GetGlobal()->SetLocalState(NULL);
@@ skipping 31 matching lines @@
 
   InitServiceWithExternalProviders();
 
   service_->CheckForExternalUpdates();
   base::RunLoop().RunUntilIdle();
 
   EXPECT_FALSE(service_->GetInstalledExtension(kExternalAppId));
 }
 
 }  // namespace extensions