[Sync] Require ProfileSyncService to have an uninitialized backend on shutdown

chrome/browser/sync/profile_sync_service_autofill_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 <set>
 #include <string>
 #include <vector>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 371 matching lines @@
     EXPECT_CALL(*personal_data_manager_, LoadCreditCards()).Times(1);
 
     personal_data_manager_->Init(profile_.get());
 
     // Note: This must be called *after* the notification service is created.
     web_data_service_->StartSyncableService();
   }
 
   virtual void TearDown() OVERRIDE {
     // Note: The tear down order is important.
+    service_->Shutdown();
     service_.reset();
     web_data_service_->ShutdownSyncableService();
     profile_->ResetRequestContext();
     // To prevent a leak, fully release TestURLRequestContext to ensure its
     // destruction on the IO message loop.
     profile_.reset();
     AbstractProfileSyncServiceTest::TearDown();
   }
 
   void StartSyncService(const base::Closure& callback,
@@ skipping 846 matching lines @@
   std::vector<AutofillEntry> sync_entries;
   std::vector<AutofillProfile> sync_profiles;
   ASSERT_TRUE(GetAutofillEntriesFromSyncDB(&sync_entries, &sync_profiles));
   EXPECT_EQ(3U, sync_entries.size());
   EXPECT_EQ(0U, sync_profiles.size());
   for (size_t i = 0; i < sync_entries.size(); i++) {
     DVLOG(1) << "Entry " << i << ": " << sync_entries[i].key().name()
              << ", " << sync_entries[i].key().value();
   }
 }