[Sync] Componentize local_device_info_provider_impl and test

components/sync_driver/local_device_info_provider_impl.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 CHROME_BROWSER_SYNC_GLUE_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_
-#define CHROME_BROWSER_SYNC_GLUE_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_
+#ifndef COMPONENTS_SYNC_DRIVER_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_
+#define COMPONENTS_SYNC_DRIVER_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_
 
+#include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/sync_driver/device_info.h"
 #include "components/sync_driver/local_device_info_provider.h"
+#include "components/version_info/version_info.h"
 
 namespace browser_sync {
 
 class LocalDeviceInfoProviderImpl
     : public sync_driver::LocalDeviceInfoProvider {
  public:
-  LocalDeviceInfoProviderImpl();
+  LocalDeviceInfoProviderImpl(version_info::Channel channel,
+                              const std::string& version,
+                              bool is_tablet);
   ~LocalDeviceInfoProviderImpl() override;
 
   // LocalDeviceInfoProvider implementation.
   const sync_driver::DeviceInfo* GetLocalDeviceInfo() const override;
   std::string GetSyncUserAgent() const override;
   std::string GetLocalSyncCacheGUID() const override;
-  void Initialize(const std::string& cache_guid,
-                  const std::string& signin_scoped_device_id) override;
+  void Initialize(
+      const std::string& cache_guid,
+      const std::string& signin_scoped_device_id,
+      const scoped_refptr<base::TaskRunner>& blocking_task_runner) override;
   scoped_ptr<Subscription> RegisterOnInitializedCallback(
       const base::Closure& callback) override;
 
  private:
-
   void InitializeContinuation(const std::string& guid,
                               const std::string& signin_scoped_device_id,
                               const std::string& session_name);
 
+  // The channel (CANARY, DEV, BETA, etc.) of the current client.
+  const version_info::Channel channel_;
+
+  // The version string for the current client.
+  const std::string version_;
+
+  // Whether this device has a tablet form factor (only used on Android
+  // devices).
+  const bool is_tablet_;
+
   std::string cache_guid_;
   scoped_ptr<sync_driver::DeviceInfo> local_device_info_;
   base::CallbackList<void(void)> callback_list_;
   base::WeakPtrFactory<LocalDeviceInfoProviderImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(LocalDeviceInfoProviderImpl);
 };
 
 }  // namespace browser_sync
 
-#endif  // CHROME_BROWSER_SYNC_GLUE_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_
+#endif  // COMPONENTS_SYNC_DRIVER_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_