Eliminate BrowserProcess dependency from sign-in production code.

chrome/browser/policy/cloud/user_cloud_policy_store_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 "chrome/browser/policy/cloud/user_cloud_policy_store.h"
 
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop.h"
 #include "base/prefs/pref_service.h"
@@ skipping 31 matching lines @@
         file_thread_(content::BrowserThread::FILE, &loop_),
         profile_(new TestingProfile()) {}
 
   virtual void SetUp() OVERRIDE {
     ASSERT_TRUE(tmp_dir_.CreateUniqueTempDir());
     SigninManager* signin = static_cast<SigninManager*>(
       SigninManagerFactory::GetInstance()->SetTestingFactoryAndUse(
           profile_.get(), FakeSigninManager::Build));
     profile_->GetPrefs()->SetString(prefs::kGoogleServicesUsername,
                                     PolicyBuilder::kFakeUsername);
-    signin->Initialize(profile_.get());
+    signin->Initialize(profile_.get(), NULL);
     store_.reset(new UserCloudPolicyStore(profile_.get(), policy_file()));
     store_->AddObserver(&observer_);
 
     policy_.payload().mutable_showhomebutton()->set_value(true);
     policy_.payload().mutable_syncdisabled()->set_value(true);
     policy_.Build();
   }
 
   virtual void TearDown() OVERRIDE {
     store_->RemoveObserver(&observer_);
@@ skipping 279 matching lines @@
   store4->Load();
   RunUntilIdle();
 
   ASSERT_FALSE(store4->policy());
   store4->RemoveObserver(&observer_);
 }
 
 }  // namespace
 
 }  // namespace policy