Narrow the ownership of DriveUploader from DriveSystemService to DriveScheduler.

chrome/browser/chromeos/drive/drive_file_system.h

Index: chrome/browser/chromeos/drive/drive_file_system.h
diff --git a/chrome/browser/chromeos/drive/drive_file_system.h b/chrome/browser/chromeos/drive/drive_file_system.h
index 766d652be84341c0d549433b52a5276e105328bc..62a82dbce2460fa80b47a7046fd34c3b966bf2e9 100644
--- a/chrome/browser/chromeos/drive/drive_file_system.h
+++ b/chrome/browser/chromeos/drive/drive_file_system.h
@@ -31,7 +31,6 @@ class SequencedTaskRunner;
 namespace google_apis {
 class AboutResource;
 class DriveServiceInterface;
-class DriveUploaderInterface;
 class ResourceEntry;
 }
 
@@ -59,7 +58,6 @@ class DriveFileSystem : public DriveFileSystemInterface,
   DriveFileSystem(Profile* profile,
                   DriveCache* cache,
                   google_apis::DriveServiceInterface* drive_service,
-                  google_apis::DriveUploaderInterface* uploader,
                   DriveWebAppsRegistry* webapps_registry,
                   DriveResourceMetadata* resource_metadata,
                   base::SequencedTaskRunner* blocking_task_runner);
@@ -437,9 +435,6 @@ class DriveFileSystem : public DriveFileSystemInterface,
   // The cache owned by DriveSystemService.
   DriveCache* cache_;
 
-  // The uploader owned by DriveSystemService.
-  google_apis::DriveUploaderInterface* uploader_;
-
   // The document service owned by DriveSystemService.
   google_apis::DriveServiceInterface* drive_service_;