Implement CopyFileFromLocal of MTPDeviceAsyncDelegate.

chrome/browser/media_galleries/linux/mtp_device_task_helper.cc

Index: chrome/browser/media_galleries/linux/mtp_device_task_helper.cc
diff --git a/chrome/browser/media_galleries/linux/mtp_device_task_helper.cc b/chrome/browser/media_galleries/linux/mtp_device_task_helper.cc
index e19ce1815bba6ba8dc91f98a9dfa264b32f44e6a..5fb766fd2e92e0c7d40094f83ff9b2c2ae26e20c 100644
--- a/chrome/browser/media_galleries/linux/mtp_device_task_helper.cc
+++ b/chrome/browser/media_galleries/linux/mtp_device_task_helper.cc
@@ -59,6 +59,7 @@ MTPDeviceTaskHelper::~MTPDeviceTaskHelper() {
 }
 
 void MTPDeviceTaskHelper::OpenStorage(const std::string& storage_name,
+                                      const bool read_only,
                                       const OpenStorageCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   DCHECK(!storage_name.empty());
@@ -68,11 +69,12 @@ void MTPDeviceTaskHelper::OpenStorage(const std::string& storage_name,
                                      base::Bind(callback, true));
     return;
   }
+
+  const std::string mode =
+      read_only ? mtpd::kReadOnlyMode : mtpd::kReadWriteMode;
   GetMediaTransferProtocolManager()->OpenStorage(
-      storage_name, mtpd::kReadOnlyMode,
-      base::Bind(&MTPDeviceTaskHelper::OnDidOpenStorage,
-                 weak_ptr_factory_.GetWeakPtr(),
-                 callback));
+      storage_name, mode, base::Bind(&MTPDeviceTaskHelper::OnDidOpenStorage,
+                                     weak_ptr_factory_.GetWeakPtr(), callback));
 }
 
 void MTPDeviceTaskHelper::GetFileInfo(
@@ -136,6 +138,22 @@ void MTPDeviceTaskHelper::ReadBytes(
                  weak_ptr_factory_.GetWeakPtr(), request));
 }
 
+void MTPDeviceTaskHelper::CopyFileFromLocal(
+    const std::string& storage_name,
+    const int source_file_descriptor,
+    const uint32 parent_id,
+    const std::string& file_name,
+    const CopyFileFromLocalSuccessCallback& success_callback,
+    const ErrorCallback& error_callback) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+
+  GetMediaTransferProtocolManager()->CopyFileFromLocal(
+      device_handle_, source_file_descriptor, parent_id, file_name,
+      base::Bind(&MTPDeviceTaskHelper::OnCopyFileFromLocal,
+                 weak_ptr_factory_.GetWeakPtr(), success_callback,
+                 error_callback));
+}
+
 void MTPDeviceTaskHelper::CloseStorage() const {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (device_handle_.empty())
@@ -266,6 +284,22 @@ void MTPDeviceTaskHelper::OnDidReadBytes(
                                               file_info, data.length()));
 }
 
+void MTPDeviceTaskHelper::OnCopyFileFromLocal(
+    const CopyFileFromLocalSuccessCallback& success_callback,
+    const ErrorCallback& error_callback,
+    const bool error) const {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+  if (error) {
+    content::BrowserThread::PostTask(
+        content::BrowserThread::IO, FROM_HERE,
+        base::Bind(error_callback, base::File::FILE_ERROR_FAILED));
+    return;
+  }
+
+  content::BrowserThread::PostTask(content::BrowserThread::IO, FROM_HERE,
+                                   base::Bind(success_callback));
+}
+
 void MTPDeviceTaskHelper::HandleDeviceError(
     const ErrorCallback& error_callback,
     base::File::Error error) const {