MTP Streaming: Optimize block reading

chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.h

Index: chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.h
diff --git a/chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.h b/chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.h
index 1534b0d86394bfcf3bf1e1274e6eda872dcd3a92..890982a5f721204d2437e5b8b8c44ff612efdffd 100644
--- a/chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.h
+++ b/chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.h
@@ -136,10 +136,6 @@ class MTPDeviceDelegateImplLinux : public MTPDeviceAsyncDelegate {
       scoped_ptr<SnapshotRequestInfo> snapshot_request_info,
       const base::File::Info& file_info);
 
-  // Called when GetFileInfo() succeeds to read a range of bytes.
-  void OnDidGetFileInfoToReadBytes(const ReadBytesRequest& request,
-                                   const base::File::Info& file_info);
-
   // Called when ReadDirectory() succeeds.
   //
   // |file_list| contains the directory file entries.
@@ -171,7 +167,7 @@ class MTPDeviceDelegateImplLinux : public MTPDeviceAsyncDelegate {
   // |success_callback| is invoked to notify the caller about the read bytes.
   // |bytes_read| is the number of bytes read.
   void OnDidReadBytes(const ReadBytesSuccessCallback& success_callback,
-                      int bytes_read);
+                      const base::File::Info& file_info, int bytes_read);
 
   // Handles the device file |error|. |error_callback| is invoked to notify the
   // caller about the file error.