signin: pull basic SigninManager functionality into new SigninManagerBase class.

chrome/browser/sync/profile_sync_service.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/sync/profile_sync_service.h"
 
 #include <cstddef>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 112 matching lines @@
 }
 
 bool ShouldShowActionOnUI(
     const syncer::SyncProtocolError& error) {
   return (error.action != syncer::UNKNOWN_ACTION &&
           error.action != syncer::DISABLE_SYNC_ON_CLIENT);
 }
 
 ProfileSyncService::ProfileSyncService(ProfileSyncComponentsFactory* factory,
                                        Profile* profile,
-                                       SigninManager* signin_manager,
+                                       SigninManagerBase* signin_manager,
                                        StartBehavior start_behavior)
     : last_auth_error_(AuthError::AuthErrorNone()),
       passphrase_required_reason_(syncer::REASON_PASSPHRASE_NOT_REQUIRED),
       factory_(factory),
       profile_(profile),
       // |profile| may be NULL in unit tests.
       sync_prefs_(profile_ ? profile_->GetPrefs() : NULL),
       invalidator_storage_(profile_ ? profile_->GetPrefs(): NULL),
       sync_service_url_(kDevServerUrl),
       is_first_time_sync_configure_(false),
@@ skipping 1892 matching lines @@
       invalidator_state_ : syncer::TRANSIENT_INVALIDATION_ERROR;
   DVLOG(1) << "New invalidator state: "
            << syncer::InvalidatorStateToString(invalidator_state_)
            << ", effective state: "
            << syncer::InvalidatorStateToString(effective_state);
   invalidator_registrar_->UpdateInvalidatorState(effective_state);
 }
 
 void ProfileSyncService::ResetForTest() {
   Profile* profile = profile_;
-  SigninManager* signin = SigninManagerFactory::GetForProfile(profile);
+  SigninManagerBase* signin = SigninManagerFactory::GetForProfile(profile);
   ProfileSyncService::StartBehavior behavior =
       browser_defaults::kSyncAutoStarts ? ProfileSyncService::AUTO_START
                                         : ProfileSyncService::MANUAL_START;
 
   // We call the destructor and placement new here because we want to explicitly
   // recreate a new ProfileSyncService instance at the same memory location as
   // the old one. Doing so is fine because this code is run only from within
   // integration tests, and the message loop is not running at this point.
   // See http://stackoverflow.com/questions/6224121/is-new-this-myclass-undefined-behaviour-after-directly-calling-the-destru.
   ProfileSyncService* old_this = this;
   this->~ProfileSyncService();
   new(old_this) ProfileSyncService(
       new ProfileSyncComponentsFactoryImpl(profile,
                                            CommandLine::ForCurrentProcess()),
       profile,
       signin,
       behavior);
 }