Run dartfmt on all files under runtime.

runtime/bin/file_system_entity_patch.dart

Index: runtime/bin/file_system_entity_patch.dart
diff --git a/runtime/bin/file_system_entity_patch.dart b/runtime/bin/file_system_entity_patch.dart
index c3faefe4136207328c6f1bbefe0d882e4a199197..f173adde79516283e04b9f04f7e7086e2f9c3fea 100644
--- a/runtime/bin/file_system_entity_patch.dart
+++ b/runtime/bin/file_system_entity_patch.dart
@@ -2,16 +2,18 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-@patch class FileStat {
-  @patch static _statSync(String path) native "File_Stat";
+@patch
+class FileStat {
+  @patch
+  static _statSync(String path) native "File_Stat";
 }
 
-
-@patch class FileSystemEntity {
-  @patch static _getType(String path, bool followLinks)
-      native "File_GetType";
-  @patch static _identical(String path1, String path2)
-      native "File_AreIdentical";
-  @patch static _resolveSymbolicLinks(String path)
-      native "File_ResolveSymbolicLinks";
+@patch
+class FileSystemEntity {
+  @patch
+  static _getType(String path, bool followLinks) native "File_GetType";
+  @patch
+  static _identical(String path1, String path2) native "File_AreIdentical";
+  @patch
+  static _resolveSymbolicLinks(String path) native "File_ResolveSymbolicLinks";
 }