Add shutdown notification and service refs to SyncServiceObserver.

components/browser_sync/profile_sync_service_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 "components/browser_sync/profile_sync_service.h"
 
 #include <utility>
 
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 74 matching lines @@
 }
 
 using testing::Return;
 using testing::StrictMock;
 using testing::_;
 
 class TestSyncServiceObserver : public syncer::SyncServiceObserver {
  public:
   explicit TestSyncServiceObserver(ProfileSyncService* service)
       : service_(service), setup_in_progress_(false) {}
-  void OnStateChanged() override {
+  void OnStateChanged(syncer::SyncService* sync) override {
     setup_in_progress_ = service_->IsSetupInProgress();
   }
   bool setup_in_progress() const { return setup_in_progress_; }
 
  private:
   ProfileSyncService* service_;
   bool setup_in_progress_;
 };
 
 // A variant of the FakeSyncEngine that won't automatically call back when asked
@@ skipping 863 matching lines @@
   // Progress the controller to RUNNING first, which is how the service
   // determines whether a type is enabled.
   controller->StartAssociating(base::Bind(&DoNothing));
   controller->FinishStart(DataTypeController::OK_FIRST_RUN);
   service()->RegisterDataTypeController(std::move(controller));
   EXPECT_NE(nullptr, service()->GetOpenTabsUIDelegate());
 }
 
 }  // namespace
 }  // namespace browser_sync