[Sync] Move //components/sync_driver to //components/sync/driver.

components/sync/driver/device_info_tracker.h

 // 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.
 
 #ifndef COMPONENTS_SYNC_DRIVER_DEVICE_INFO_TRACKER_H_
 #define COMPONENTS_SYNC_DRIVER_DEVICE_INFO_TRACKER_H_
 
 #include <memory>
 #include <string>
 
 #include "base/memory/scoped_vector.h"
-#include "components/sync_driver/device_info.h"
+#include "components/sync/driver/device_info.h"
 
 namespace sync_driver {
 
 // Interface for tracking synced DeviceInfo.
 class DeviceInfoTracker {
  public:
   virtual ~DeviceInfoTracker() {}
 
   // Observer class for listening to device info changes.
   class Observer {
@@ skipping 14 matching lines @@
   virtual void AddObserver(Observer* observer) = 0;
   // Unregisters an observer.
   virtual void RemoveObserver(Observer* observer) = 0;
   // Returns the count of active devices.
   virtual int CountActiveDevices() const = 0;
 };
 
 }  // namespace sync_driver
 
 #endif  // COMPONENTS_SYNC_DRIVER_DEVICE_INFO_TRACKER_H_