Wire sync shutdown reason from PSS all the way down to sync manager.

chrome/browser/sync/glue/sync_backend_host_impl_unittest.cc

 // Copyright 2013 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/glue/sync_backend_host_impl.h"
 
 #include <cstddef>
 
 #include "base/file_util.h"
 #include "base/location.h"
@@ skipping 174 matching lines @@
     enabled_types_.Put(syncer::SEARCH_ENGINES);
     enabled_types_.Put(syncer::AUTOFILL);
     enabled_types_.Put(syncer::EXPERIMENTS);
 
     network_resources_.reset(new syncer::HttpBridgeNetworkResources());
   }
 
   virtual void TearDown() OVERRIDE {
     if (backend_) {
       backend_->StopSyncingForShutdown();
-      backend_->Shutdown(SyncBackendHost::STOP);
+      backend_->Shutdown(syncer::STOP_SYNC);
     }
     backend_.reset();
     sync_prefs_.reset();
     profile_ = NULL;
     profile_manager_.DeleteTestingProfile(kTestProfileName);
     // Pump messages posted by the sync thread (which may end up
     // posting on the IO thread).
     base::RunLoop().RunUntilIdle();
     content::RunAllPendingInMessageLoop(BrowserThread::IO);
     // Pump any messages posted by the IO thread.
@@ skipping 501 matching lines @@
 TEST_F(SyncBackendHostTest, AttemptForwardLocalRefreshRequestLate) {
   InitializeBackend(true);
 
   backend_->StopSyncingForShutdown();
 
   syncer::ModelTypeSet types = syncer::ModelTypeSet::All();
   IssueRefreshRequest(types);
   fake_manager_->WaitForSyncThread();
   EXPECT_FALSE(types.Equals(fake_manager_->GetLastRefreshRequestTypes()));
 
-  backend_->Shutdown(SyncBackendHost::STOP);
+  backend_->Shutdown(syncer::STOP_SYNC);
   backend_.reset();
 }
 
 // Test that configuration on signin sends the proper GU source.
 TEST_F(SyncBackendHostTest, DownloadControlTypesNewClient) {
   InitializeBackend(true);
   EXPECT_EQ(syncer::CONFIGURE_REASON_NEW_CLIENT,
             fake_manager_->GetAndResetConfigureReason());
 }
 
@@ skipping 51 matching lines @@
                      Difference(syncer::ModelTypeSet::All(),
                                 enabled_types_),
                      syncer::ModelTypeSet());
   EXPECT_FALSE(fake_manager_->GetTypesWithEmptyProgressMarkerToken(
       error_types).Empty());
 }
 
 }  // namespace
 
 }  // namespace browser_sync