[Sync] Move SyncPrefs into sync_driver component

chrome/browser/sync/glue/sync_backend_host_impl.h

 // 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.
 
 #ifndef CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_IMPL_H_
 #define CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_IMPL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 28 matching lines @@
 
 namespace invalidation {
 class InvalidationService;
 }
 
 namespace syncer {
 class NetworkResources;
 class SyncManagerFactory;
 }
 
+namespace sync_driver {
+class SyncPrefs;
+}
+
 namespace browser_sync {
 
 class ChangeProcessor;
 class SyncBackendHostCore;
 class SyncBackendRegistrar;
-class SyncPrefs;
 class SyncedDeviceTracker;
 struct DoInitializeOptions;
 
 // The only real implementation of the SyncBackendHost.  See that interface's
 // definition for documentation of public methods.
 class SyncBackendHostImpl
     : public SyncBackendHost,
       public content::NotificationObserver,
       public syncer::InvalidationHandler {
  public:
   typedef syncer::SyncStatus Status;
 
   // Create a SyncBackendHost with a reference to the |frontend| that
   // it serves and communicates to via the SyncFrontend interface (on
   // the same thread it used to call the constructor).  Must outlive
   // |sync_prefs|.
-  SyncBackendHostImpl(
-      const std::string& name,
-      Profile* profile,
-      const base::WeakPtr<SyncPrefs>& sync_prefs);
+  SyncBackendHostImpl(const std::string& name,
+                      Profile* profile,
+                      const base::WeakPtr<sync_driver::SyncPrefs>& sync_prefs);
   virtual ~SyncBackendHostImpl();
 
   // SyncBackendHost implementation.
   virtual void Initialize(
       SyncFrontend* frontend,
       scoped_ptr<base::Thread> sync_thread,
       const syncer::WeakHandle<syncer::JsEventHandler>& event_handler,
       const GURL& service_url,
       const syncer::SyncCredentials& credentials,
       bool delete_sync_data_folder,
@@ skipping 188 matching lines @@
   // Name used for debugging (set from profile_->GetDebugName()).
   const std::string name_;
 
   // Our core, which communicates directly to the syncapi. Use refptr instead
   // of WeakHandle because |core_| is created on UI loop but released on
   // sync loop.
   scoped_refptr<SyncBackendHostCore> core_;
 
   bool initialized_;
 
-  const base::WeakPtr<SyncPrefs> sync_prefs_;
+  const base::WeakPtr<sync_driver::SyncPrefs> sync_prefs_;
 
   ExtensionsActivityMonitor extensions_activity_monitor_;
 
   scoped_ptr<SyncBackendRegistrar> registrar_;
 
   // The frontend which we serve (and are owned by).
   SyncFrontend* frontend_;
 
   // We cache the cryptographer's pending keys whenever NotifyPassphraseRequired
   // is called. This way, before the UI calls SetDecryptionPassphrase on the
@@ skipping 23 matching lines @@
 
   base::WeakPtrFactory<SyncBackendHostImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncBackendHostImpl);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_IMPL_H_