Format all tests.

tests/language_strong/branch_canonicalization_test.dart

 // Copyright (c) 2013, 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.
 
 // Test that branch fusion correctly sets branch environment for comparisons
 // that require unboxing and does not fuse branches that can deoptimize.
 // VMOptions=--optimization-counter-threshold=10 --no-use-osr
 
 import "package:expect/expect.dart";
 
 var sideEffect = true;
 
 barDouble(a, b) {
   sideEffect = false;
   final result = (a == b);
   sideEffect = !sideEffect;
   return result;
 }
+
 fooDouble(a, b) => barDouble(a, b) ? 1 : 0;
 
 barMint(a, b) {
   sideEffect = false;
   final result = (a == b);
   sideEffect = !sideEffect;
   return result;
 }
+
 fooMint(a, b) => barMint(a, b) ? 1 : 0;
 
 class A {
-  operator == (other) => identical(this, other);
+  operator ==(other) => identical(this, other);
 }
 
-class B extends A {
-}
+class B extends A {}
 
-class C extends A {
-}
+class C extends A {}
 
 barPoly(a, b) {
   sideEffect = false;
   final result = a == b;
   sideEffect = !sideEffect;
   return result;
 }
 
 fooPoly(a, b) => barPoly(a, b) ? 1 : 0;
 
-main () {
+main() {
   final a = 1.0;
   final b = 1 << 62;
   final x = new A(), y = new B(), z = new C();
   for (var i = 0; i < 20; i++) {
     Expect.equals(1, fooDouble(a, a));
     Expect.isTrue(sideEffect);
     Expect.equals(0, fooMint(b, 0));
     Expect.isTrue(sideEffect);
     Expect.equals(1, fooPoly(x, x));
     Expect.equals(0, fooPoly(y, x));
   }
   Expect.equals(1, fooDouble(z, z));
   Expect.isTrue(sideEffect);
   Expect.equals(1, fooMint(z, z));
   Expect.isTrue(sideEffect);
   Expect.equals(1, fooPoly(z, z));
   Expect.isTrue(sideEffect);
 }