Implement CopyFileFromLocal of MTPDeviceAsyncDelegate.

device/media_transfer_protocol/media_transfer_protocol_daemon_client.cc

Index: device/media_transfer_protocol/media_transfer_protocol_daemon_client.cc
diff --git a/device/media_transfer_protocol/media_transfer_protocol_daemon_client.cc b/device/media_transfer_protocol/media_transfer_protocol_daemon_client.cc
index 0f7267721d3a7d04fd88665ba0a2016c30c3bd7b..2dddbce4c1916f45b47e8395428858712a194e14 100644
--- a/device/media_transfer_protocol/media_transfer_protocol_daemon_client.cc
+++ b/device/media_transfer_protocol/media_transfer_protocol_daemon_client.cc
@@ -72,8 +72,8 @@ class MediaTransferProtocolDaemonClientImpl
     dbus::MethodCall method_call(mtpd::kMtpdInterface, mtpd::kOpenStorage);
     dbus::MessageWriter writer(&method_call);
     writer.AppendString(storage_name);
-    DCHECK_EQ(mtpd::kReadOnlyMode, mode);
-    writer.AppendString(mtpd::kReadOnlyMode);
+    DCHECK(mode == mtpd::kReadOnlyMode || mode == mtpd::kReadWriteMode);
+    writer.AppendString(mode);
     proxy_->CallMethod(
         &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
         base::Bind(&MediaTransferProtocolDaemonClientImpl::OnOpenStorage,
@@ -171,6 +171,28 @@ class MediaTransferProtocolDaemonClientImpl
                    error_callback));
   }
 
+  void CopyFileFromLocal(const std::string& handle,
+                         const int source_file_descriptor,
+                         const uint32 parent_id,
+                         const std::string& file_name,
+                         const CopyFileFromLocalCallback& callback,
+                         const ErrorCallback& error_callback) override {
+    dbus::FileDescriptor file_descriptor(source_file_descriptor);
+    file_descriptor.CheckValidity();
+
+    dbus::MethodCall method_call(mtpd::kMtpdInterface,
+                                 mtpd::kCopyFileFromLocal);
+    dbus::MessageWriter writer(&method_call);
+    writer.AppendString(handle);
+    writer.AppendFileDescriptor(file_descriptor);
+    writer.AppendUint32(parent_id);
+    writer.AppendString(file_name);
+    proxy_->CallMethod(
+        &method_call, dbus::ObjectProxy::TIMEOUT_INFINITE,
+        base::Bind(&MediaTransferProtocolDaemonClientImpl::OnCopyFileFromLocal,
+                   weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
+  }
+
   // MediaTransferProtocolDaemonClient override.
   void ListenForChanges(const MTPStorageEventHandler& handler) override {
     DCHECK(!listen_for_changes_called_);
@@ -349,6 +371,17 @@ class MediaTransferProtocolDaemonClientImpl
     callback.Run(data);
   }
 
+  void OnCopyFileFromLocal(const CopyFileFromLocalCallback& callback,
+                           const ErrorCallback& error_callback,
+                           dbus::Response* response) {
+    if (!response) {
+      error_callback.Run();
+      return;
+    }
+
+    callback.Run();
+  }
+
   // Handles MTPStorageAttached/Dettached signals and calls |handler|.
   void OnMTPStorageSignal(MTPStorageEventHandler handler,
                           bool is_attach,