Pass args to SyncManager::Init via a struct.

sync/internal_api/public/test/fake_sync_manager.h

 // 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.
 
 #ifndef SYNC_INTERNAL_API_PUBLIC_TEST_FAKE_SYNC_MANAGER_H_
 #define SYNC_INTERNAL_API_PUBLIC_TEST_FAKE_SYNC_MANAGER_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 59 matching lines @@
 
   // Posts a method to update the invalidator state on the sync thread.
   virtual void SetInvalidatorEnabled(bool invalidator_enabled) OVERRIDE;
 
   // Block until the sync thread has finished processing any pending messages.
   void WaitForSyncThread();
 
   // SyncManager implementation.
   // Note: we treat whatever message loop this is called from as the sync
   // loop for purposes of callbacks.
-  virtual void Init(
-      const base::FilePath& database_location,
-      const WeakHandle<JsEventHandler>& event_handler,
-      const GURL& service_url,
-      scoped_ptr<HttpPostProviderFactory> post_factory,
-      const std::vector<scoped_refptr<ModelSafeWorker> >& workers,
-      ExtensionsActivity* extensions_activity,
-      ChangeDelegate* change_delegate,
-      const SyncCredentials& credentials,
-      const std::string& invalidator_client_id,
-      const std::string& restored_key_for_bootstrapping,
-      const std::string& restored_keystore_key_for_bootstrapping,
-      InternalComponentsFactory* internal_components_factory,
-      Encryptor* encryptor,
-      scoped_ptr<UnrecoverableErrorHandler> unrecoverable_error_handler,
-      ReportUnrecoverableErrorFunction report_unrecoverable_error_function,
-      CancelationSignal* cancelation_signal) OVERRIDE;
+  virtual void Init(InitArgs* args) OVERRIDE;
   virtual ModelTypeSet InitialSyncEndedTypes() OVERRIDE;
   virtual ModelTypeSet GetTypesWithEmptyProgressMarkerToken(
       ModelTypeSet types) OVERRIDE;
   virtual bool PurgePartiallySyncedTypes() OVERRIDE;
   virtual void UpdateCredentials(const SyncCredentials& credentials) OVERRIDE;
   virtual void StartSyncingNormally(
       const ModelSafeRoutingInfo& routing_info) OVERRIDE;
   virtual void ConfigureSyncer(
       ConfigureReason reason,
       ModelTypeSet to_download,
@@ skipping 58 matching lines @@
   TestUserShare test_user_share_;
 
   NullSyncContextProxy null_sync_context_proxy_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeSyncManager);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_PUBLIC_TEST_FAKE_SYNC_MANAGER_H_