[Sync] Remove the last datatype-specific deps from sync_driver.

ios/chrome/browser/sync/ios_chrome_sync_client.h

 // Copyright 2015 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 IOS_CHROME_BROWSER_SYNC_IOS_CHROME_SYNC_CLIENT_H__
 #define IOS_CHROME_BROWSER_SYNC_IOS_CHROME_SYNC_CLIENT_H__
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/sync_driver/sync_client.h"
 
+namespace autofill {
+class AutofillWebDataService;
+}
+
 namespace ios {
 class ChromeBrowserState;
 }
 
+namespace password_manager {
+class PasswordStore;
+}
+
 namespace sync_driver {
 class SyncApiComponentFactory;
 class SyncService;
 }
 
 class IOSChromeSyncClient : public sync_driver::SyncClient {
  public:
   explicit IOSChromeSyncClient(ios::ChromeBrowserState* browser_state);
   ~IOSChromeSyncClient() override;
 
   // SyncClient implementation.
   void Initialize(sync_driver::SyncService* sync_service) override;
   sync_driver::SyncService* GetSyncService() override;
   PrefService* GetPrefService() override;
   bookmarks::BookmarkModel* GetBookmarkModel() override;
   favicon::FaviconService* GetFaviconService() override;
   history::HistoryService* GetHistoryService() override;
-  scoped_refptr<password_manager::PasswordStore> GetPasswordStore() override;
   sync_driver::ClearBrowsingDataCallback GetClearBrowsingDataCallback()
       override;
   base::Closure GetPasswordStateChangedCallback() override;
   sync_driver::SyncApiComponentFactory::RegisterDataTypesMethod
   GetRegisterPlatformTypesCallback() override;
   autofill::PersonalDataManager* GetPersonalDataManager() override;
   invalidation::InvalidationService* GetInvalidationService() override;
-  scoped_refptr<autofill::AutofillWebDataService> GetWebDataService() override;
   BookmarkUndoService* GetBookmarkUndoServiceIfExists() override;
   scoped_refptr<syncer::ExtensionsActivity> GetExtensionsActivity() override;
   sync_sessions::SyncSessionsClient* GetSyncSessionsClient() override;
   base::WeakPtr<syncer::SyncableService> GetSyncableServiceForType(
       syncer::ModelType type) override;
   scoped_refptr<syncer::ModelSafeWorker> CreateModelWorkerForGroup(
       syncer::ModelSafeGroup group,
       syncer::WorkerLoopDestructionObserver* observer) override;
   sync_driver::SyncApiComponentFactory* GetSyncApiComponentFactory() override;
 
@@ skipping 21 matching lines @@
   sync_driver::SyncService* sync_service_;  // Weak.
 
   const scoped_refptr<syncer::ExtensionsActivity> dummy_extensions_activity_;
 
   base::WeakPtrFactory<IOSChromeSyncClient> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IOSChromeSyncClient);
 };
 
 #endif  // IOS_CHROME_BROWSER_SYNC_IOS_CHROME_SYNC_CLIENT_H__