Make extensions developer mode adhere to policy

chrome/browser/extensions/extension_service_test_base.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/browser/extensions/extension_service_test_base.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
@@ skipping 285 matching lines @@
 // These are declared in the .cc so that all inheritors don't need to know
 // that TestingProfile derives Profile derives BrowserContext.
 content::BrowserContext* ExtensionServiceTestBase::browser_context() {
   return profile_.get();
 }
 
 Profile* ExtensionServiceTestBase::profile() {
   return profile_.get();
 }
 
+sync_preferences::TestingPrefServiceSyncable*
+ExtensionServiceTestBase::testing_pref_service() {
+  return profile_.get()->GetTestingPrefService();
+}
+
 void ExtensionServiceTestBase::CreateExtensionService(
     const ExtensionServiceInitParams& params) {
   TestExtensionSystem* system =
       static_cast<TestExtensionSystem*>(ExtensionSystem::Get(profile_.get()));
   if (!params.is_first_run)
     ExtensionPrefs::Get(profile_.get())->SetAlertSystemFirstRun();
 
   service_ =
       system->CreateExtensionService(base::CommandLine::ForCurrentProcess(),
                                      params.extensions_install_dir,
@@ skipping 14 matching lines @@
 
   service_->RegisterInstallGate(ExtensionPrefs::DELAY_REASON_WAIT_FOR_IMPORTS,
                                 service_->shared_module_service());
 
 #if defined(OS_CHROMEOS)
   InstallLimiter::Get(profile_.get())->DisableForTest();
 #endif
 }
 
 }  // namespace extensions