Pass args to SyncManager::Init via a struct.

sync/internal_api/sync_rollback_manager_unittest.cc

 // Copyright 2014 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 "sync/internal_api/sync_rollback_manager.h"
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/run_loop.h"
 #include "sync/internal_api/public/read_node.h"
 #include "sync/internal_api/public/read_transaction.h"
@@ skipping 97 matching lines @@
 
     EXPECT_CALL(*this, OnInitializationComplete(_, _, _, _))
         .WillOnce(WithArgs<2>(Invoke(this,
                                      &SyncRollbackManagerTest::HandleInit)));
 
     manager->AddObserver(this);
     TestInternalComponentsFactory factory(InternalComponentsFactory::Switches(),
                                           storage_option);
 
     base::RunLoop run_loop;
-    manager->Init(
-        temp_dir_.path(),
-        MakeWeakHandle(base::WeakPtr<JsEventHandler>()),
-        GURL("https://example.com/"),
-        scoped_ptr<HttpPostProviderFactory>().Pass(),
-        std::vector<scoped_refptr<ModelSafeWorker> >(1, worker_.get()),
-        NULL,
-        delegate,
-        SyncCredentials(),
-        "",
-        "",
-        "",
-        &factory,
-        NULL,
-        scoped_ptr<UnrecoverableErrorHandler>().Pass(),
-        NULL,
-        NULL);
+    SyncManager::InitArgs args;
+    args.database_location = temp_dir_.path();
+    args.service_url = GURL("https://example.com/");
+    args.workers.push_back(worker_);
+    args.change_delegate = delegate;
+    args.internal_components_factory = &factory;
+    manager->Init(&args);
     loop_.PostTask(FROM_HERE, run_loop.QuitClosure());
     run_loop.Run();
   }
 
   // Create and persist an entry by unique tag in DB.
   void PrepopulateDb(ModelType type, const std::string& client_tag) {
     SyncBackupManager backup_manager;
     TestChangeDelegate delegate;
     InitManager(&backup_manager, ModelTypeSet(type), &delegate,
                 STORAGE_ON_DISK);
@@ skipping 121 matching lines @@
   // Test graceful shutdown on initialization failure.
   scoped_ptr<SyncRollbackManager> rollback_manager(
       new SyncRollbackManager);
   InitManager(rollback_manager.get(), ModelTypeSet(PREFERENCES), NULL,
               STORAGE_ON_DISK);
 }
 
 }  // anonymous namespace
 
 }  // namespace syncer