Format all tests.

tests/language_strong/rewrite_variable_initializer_test.dart

 // Copyright (c) 2014, 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.
 
 import "package:expect/expect.dart";
 
 class Foo {
-    var field = 0;
+  var field = 0;
 }
 
-bar(x,y) {
-    return x * 100 + y;
+bar(x, y) {
+  return x * 100 + y;
 }
 
 foo(z) {
-    var x = 0, y = x;
-    if (z > 0) {
-        x = 10;
-    }
-    if (z > 10) {
-        y = 20;
-    }
-    return bar(x,y);
+  var x = 0, y = x;
+  if (z > 0) {
+    x = 10;
+  }
+  if (z > 10) {
+    y = 20;
+  }
+  return bar(x, y);
 }
 
 baz(z) {
-    var f = new Foo()
-            ..field = 10
-            ..field = z;
-    return f;
+  var f = new Foo()
+    ..field = 10
+    ..field = z;
+  return f;
 }
 
 main() {
-    Expect.equals(0, foo(0));
-    Expect.equals(1000, foo(5));
-    Expect.equals(1020, foo(15));
+  Expect.equals(0, foo(0));
+  Expect.equals(1000, foo(5));
+  Expect.equals(1020, foo(15));
 
-    Expect.equals(20, baz(20).field);
-    Expect.equals(30, baz(30).field);
+  Expect.equals(20, baz(20).field);
+  Expect.equals(30, baz(30).field);
 }