Run dartfmt on all files under runtime.

runtime/observatory/tests/service/breakpoint_two_args_checked_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=--error_on_bad_type --error_on_bad_override  --verbose_debug
 
 // This test is mostly interesting for DBC, which needs to patch two bytecodes
 // to create a breakpoint for fast Smi ops.
 
 import 'package:observatory/service_io.dart';
 import 'package:unittest/unittest.dart';
 import 'service_test_common.dart';
 import 'test_helper.dart';
 import 'dart:developer';
 
 const int LINE_A = 26;
 const int LINE_B = 27;
 const int LINE_C = 28;
 
-class NotGeneric { }
+class NotGeneric {}
 
 testeeMain() {
   var x = new List(1);
   var y = 7;
   debugger();
   print("Statement");
-  x[0] = 3;         // Line A.
-  x is NotGeneric;  // Line B.
-  y & 4;            // Line C.
+  x[0] = 3; // Line A.
+  x is NotGeneric; // Line B.
+  y & 4; // Line C.
 }
 
 var tests = [
-
-hasStoppedAtBreakpoint,
+  hasStoppedAtBreakpoint,
 
 // Add breakpoints.
-(Isolate isolate) async {
-  var rootLib = await isolate.rootLibrary.load();
-  var script = rootLib.scripts[0];
+  (Isolate isolate) async {
+    var rootLib = await isolate.rootLibrary.load();
+    var script = rootLib.scripts[0];
 
-  var bpt1 = await isolate.addBreakpoint(script, LINE_A);
-  print(bpt1);
-  expect(bpt1.resolved, isTrue);
-  expect(await bpt1.location.getLine(), equals(LINE_A));
+    var bpt1 = await isolate.addBreakpoint(script, LINE_A);
+    print(bpt1);
+    expect(bpt1.resolved, isTrue);
+    expect(await bpt1.location.getLine(), equals(LINE_A));
 
-  var bpt2 = await isolate.addBreakpoint(script, LINE_B);
-  print(bpt2);
-  expect(bpt2.resolved, isTrue);
-  expect(await bpt2.location.getLine(), equals(LINE_B));
+    var bpt2 = await isolate.addBreakpoint(script, LINE_B);
+    print(bpt2);
+    expect(bpt2.resolved, isTrue);
+    expect(await bpt2.location.getLine(), equals(LINE_B));
 
-  var bpt3 = await isolate.addBreakpoint(script, LINE_C);
-  print(bpt3);
-  expect(bpt3.resolved, isTrue);
-  expect(await bpt3.location.getLine(), equals(LINE_C));
-},
+    var bpt3 = await isolate.addBreakpoint(script, LINE_C);
+    print(bpt3);
+    expect(bpt3.resolved, isTrue);
+    expect(await bpt3.location.getLine(), equals(LINE_C));
+  },
 
-resumeIsolate,
+  resumeIsolate,
 
-hasStoppedAtBreakpoint,
-stoppedAtLine(LINE_A),
-resumeIsolate,
+  hasStoppedAtBreakpoint,
+  stoppedAtLine(LINE_A),
+  resumeIsolate,
 
-hasStoppedAtBreakpoint,
-stoppedAtLine(LINE_B),
-resumeIsolate,
+  hasStoppedAtBreakpoint,
+  stoppedAtLine(LINE_B),
+  resumeIsolate,
 
-hasStoppedAtBreakpoint,
-stoppedAtLine(LINE_C),
-resumeIsolate,
-
+  hasStoppedAtBreakpoint,
+  stoppedAtLine(LINE_C),
+  resumeIsolate,
 ];
 
 main(args) => runIsolateTests(args, tests, testeeConcurrent: testeeMain);