Narrow the ownership of DriveUploader from DriveSystemService to DriveScheduler.

chrome/browser/chromeos/drive/file_system/drive_operations.h

Index: chrome/browser/chromeos/drive/file_system/drive_operations.h
diff --git a/chrome/browser/chromeos/drive/file_system/drive_operations.h b/chrome/browser/chromeos/drive/file_system/drive_operations.h
index cd83932bb4b578583458e48297576285222d170f..0b5ff5b7fb84daabe5741ed5aaa1bf0ea9b11295 100644
--- a/chrome/browser/chromeos/drive/file_system/drive_operations.h
+++ b/chrome/browser/chromeos/drive/file_system/drive_operations.h
@@ -14,10 +14,6 @@ namespace base {
 class FilePath;
 }
 
-namespace google_apis {
-class DriveUploaderInterface;
-}
-
 namespace drive {
 
 class DriveCache;
@@ -44,7 +40,6 @@ class DriveOperations {
             DriveFileSystemInterface* drive_file_system,
             DriveCache* cache,
             DriveResourceMetadata* metadata,
-            google_apis::DriveUploaderInterface* uploader,
             scoped_refptr<base::SequencedTaskRunner> blocking_task_runner,
             OperationObserver* observer);