Bug 1186750 part 2 - Remove some unused member fields in events in DeviceStorageRequestParent. r=dhylands

--HG--
extra : source : 0141a42290a3856e9871da275903caf1a3314b93

dom/devicestorage/DeviceStorageRequestParent.h

@@ -239,7 +239,6 @@ private:
       virtual ~PostPathResultEvent() {}
       virtual nsresult CancelableRun();
     private:
-      RefPtr<DeviceStorageFile> mFile;
       nsString mPath;
   };
 
@@ -253,7 +252,6 @@ private:
       virtual ~PostFileDescriptorResultEvent() {}
       virtual nsresult CancelableRun();
     private:
-      RefPtr<DeviceStorageFile> mFile;
       FileDescriptor mFileDescriptor;
   };