drive: Rename file_system::DriveOperations to file_system::Operations

chrome/browser/chromeos/drive/file_system.h

Index: chrome/browser/chromeos/drive/file_system.h
diff --git a/chrome/browser/chromeos/drive/file_system.h b/chrome/browser/chromeos/drive/file_system.h
index ed272342db9bc9e28ed6e223540a75874449aee8..91c676315a734d09cccc64f390b0fd4209e455a3 100644
--- a/chrome/browser/chromeos/drive/file_system.h
+++ b/chrome/browser/chromeos/drive/file_system.h
@@ -12,8 +12,8 @@
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "chrome/browser/chromeos/drive/change_list_loader_observer.h"
-#include "chrome/browser/chromeos/drive/file_system/drive_operations.h"
 #include "chrome/browser/chromeos/drive/file_system/operation_observer.h"
+#include "chrome/browser/chromeos/drive/file_system/operations.h"
 #include "chrome/browser/chromeos/drive/file_system_interface.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/drive/job_list.h"
@@ -467,7 +467,7 @@ class FileSystem : public FileSystemInterface,
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
 
-  file_system::DriveOperations drive_operations_;
+  file_system::Operations operations_;
 
   // Polling interval for checking updates in seconds.
   int polling_interval_sec_;