Run dartfmt on all files under runtime.

runtime/observatory/tests/service/regexp_function_test.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // 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.
 // VMOptions=
 // VMOptions=--interpret_irregexp
 
 import 'package:observatory/service_io.dart';
 import 'package:unittest/unittest.dart';
 import 'test_helper.dart';
 
 var regex0;
 var regex;
 
 void script() {
   // Check the internal NUL doesn't trip up the name scrubbing in the vm.
   regex0 = new RegExp("with internal \u{0} NUL");
   regex = new RegExp(r"(\w+)");
   String str = "Parse my string";
-  Iterable<Match> matches = regex.allMatches(str);  // Run to generate bytecode.
+  Iterable<Match> matches = regex.allMatches(str); // Run to generate bytecode.
   expect(matches.length, equals(3));
 }
 
 var tests = [
+  (Isolate isolate) async {
+    Library lib = isolate.rootLibrary;
+    await lib.load();
 
-(Isolate isolate) async {
-  Library lib = isolate.rootLibrary;
-  await lib.load();
+    Field field0 = lib.variables.singleWhere((v) => v.name == 'regex0');
+    await field0.load(); // No crash due to embedded NUL.
 
-  Field field0 = lib.variables.singleWhere((v) => v.name == 'regex0');
-  await field0.load();  // No crash due to embedded NUL.
+    Field field = lib.variables.singleWhere((v) => v.name == 'regex');
+    await field.load();
+    Instance regex = field.staticValue;
+    expect(regex.isInstance, isTrue);
+    expect(regex.isRegExp, isTrue);
+    await regex.load();
 
-  Field field = lib.variables.singleWhere((v) => v.name == 'regex');
-  await field.load();
-  Instance regex = field.staticValue;
-  expect(regex.isInstance, isTrue);
-  expect(regex.isRegExp, isTrue);
-  await regex.load();
-
-  if (regex.oneByteFunction == null) {
-    // Running with interpreted regexp.
-    var b1 = await regex.oneByteBytecode.load();
-    expect(b1.isTypedData, isTrue);
-    var b2 = await regex.twoByteBytecode.load();
-    expect(b2.isTypedData, isFalse);  // No two-byte string subject was used.
-  } else {
-    // Running with compiled regexp.
-    var f1 = await regex.oneByteFunction.load();
-    expect(f1 is ServiceFunction, isTrue);
-    var f2 = await regex.twoByteFunction.load();
-    expect(f2 is ServiceFunction, isTrue);
-    var f3 = await regex.externalOneByteFunction.load();
-    expect(f3 is ServiceFunction, isTrue);
-    var f4 = await regex.externalTwoByteFunction.load();
-    expect(f4 is ServiceFunction, isTrue);
+    if (regex.oneByteFunction == null) {
+      // Running with interpreted regexp.
+      var b1 = await regex.oneByteBytecode.load();
+      expect(b1.isTypedData, isTrue);
+      var b2 = await regex.twoByteBytecode.load();
+      expect(b2.isTypedData, isFalse); // No two-byte string subject was used.
+    } else {
+      // Running with compiled regexp.
+      var f1 = await regex.oneByteFunction.load();
+      expect(f1 is ServiceFunction, isTrue);
+      var f2 = await regex.twoByteFunction.load();
+      expect(f2 is ServiceFunction, isTrue);
+      var f3 = await regex.externalOneByteFunction.load();
+      expect(f3 is ServiceFunction, isTrue);
+      var f4 = await regex.externalTwoByteFunction.load();
+      expect(f4 is ServiceFunction, isTrue);
+    }
   }
-}
-
 ];
 
 main(args) => runIsolateTests(args, tests, testeeBefore: script);