Remove extraneous newline in method signature

In ChromeNativeFileSystemPermissionContext::PerformAfterWriteChecks

Bug: N/A
Change-Id: I2eb2030296dd8607509ce69345264338578d86ec
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2616762
Auto-Submit: Austin Sullivan <asully@chromium.org>
Commit-Queue: Dominick Ng <dominickn@chromium.org>
Reviewed-by: Dominick Ng <dominickn@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841904}

chrome/browser/native_file_system/chrome_native_file_system_permission_context.cc

@@ -383,7 +383,6 @@ void ChromeNativeFileSystemPermissionContext::ConfirmSensitiveDirectoryAccess(
 void ChromeNativeFileSystemPermissionContext::PerformAfterWriteChecks(
     std::unique_ptr<content::NativeFileSystemWriteItem> item,
     content::GlobalFrameRoutingId frame_id,
-
     base::OnceCallback<void(AfterWriteCheckResult)> callback) {
   DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   content::GetUIThreadTaskRunner({})->PostTask(