Implement CopyFileFromLocal of MTPDeviceAsyncDelegate.

device/media_transfer_protocol/media_transfer_protocol_manager.h

Index: device/media_transfer_protocol/media_transfer_protocol_manager.h
diff --git a/device/media_transfer_protocol/media_transfer_protocol_manager.h b/device/media_transfer_protocol/media_transfer_protocol_manager.h
index 7ff89e9f92286e0cee46670606a40063d88cb1d1..39eea9bb899307fc36b91c850bbdc74e9a1d9a38 100644
--- a/device/media_transfer_protocol/media_transfer_protocol_manager.h
+++ b/device/media_transfer_protocol/media_transfer_protocol_manager.h
@@ -59,6 +59,10 @@ class MediaTransferProtocolManager {
   typedef base::Callback<void(const MtpFileEntry& file_entry,
                               bool error)> GetFileInfoCallback;
 
+  // A callback to handle the result of CopyFileFromLocal.
+  // The first argument is true if there was an error.
+  typedef base::Callback<void(bool error)> CopyFileFromLocalCallback;
+
   // Implement this interface to be notified about MTP storage
   // attachment / detachment events.
   class Observer {
@@ -115,6 +119,14 @@ class MediaTransferProtocolManager {
                            uint32 file_id,
                            const GetFileInfoCallback& callback) = 0;
 
+  // Copies the file from |source_file_descriptor| to |file_name| on
+  // |parent_id|.
+  virtual void CopyFileFromLocal(const std::string& storage_handle,
+                                 const int source_file_descriptor,
+                                 const uint32 parent_id,
+                                 const std::string& file_name,
+                                 const CopyFileFromLocalCallback& callback) = 0;
+
   // Creates and returns the global MediaTransferProtocolManager instance.
   // On Linux, |task_runner| specifies the task runner to process asynchronous
   // operations.