Replace shuffle getters with shuffle method and masks.

tests/lib/typed_data/float32x4_test.dart

Index: tests/lib/typed_data/float32x4_test.dart
diff --git a/tests/lib/typed_data/float32x4_test.dart b/tests/lib/typed_data/float32x4_test.dart
index cc244556c02cf1fd70b5fe9e0ecc1084151f1372..6a316af38bf2ebad7f8932ec5429cd43e65100b5 100644
--- a/tests/lib/typed_data/float32x4_test.dart
+++ b/tests/lib/typed_data/float32x4_test.dart
@@ -130,42 +130,42 @@ testClamp() {
 
 testShuffle() {
   var m = new Float32x4(1.0, 2.0, 3.0, 4.0);
-  var xxxx = m.xxxx;
+  var xxxx = m.shuffle(Float32x4.xxxx);
   Expect.equals(1.0, xxxx.x);
   Expect.equals(1.0, xxxx.y);
   Expect.equals(1.0, xxxx.z);
   Expect.equals(1.0, xxxx.w);
-  var yyyy = m.yyyy;
+  var yyyy = m.shuffle(Float32x4.yyyy);
   Expect.equals(2.0, yyyy.x);
   Expect.equals(2.0, yyyy.y);
   Expect.equals(2.0, yyyy.z);
   Expect.equals(2.0, yyyy.w);
-  var zzzz = m.zzzz;
+  var zzzz = m.shuffle(Float32x4.zzzz);
   Expect.equals(3.0, zzzz.x);
   Expect.equals(3.0, zzzz.y);
   Expect.equals(3.0, zzzz.z);
   Expect.equals(3.0, zzzz.w);
-  var wwww = m.wwww;
+  var wwww = m.shuffle(Float32x4.wwww);
   Expect.equals(4.0, wwww.x);
   Expect.equals(4.0, wwww.y);
   Expect.equals(4.0, wwww.z);
   Expect.equals(4.0, wwww.w);
-  var wzyx = m.wzyx;
+  var wzyx = m.shuffle(Float32x4.wzyx);
   Expect.equals(4.0, wzyx.x);
   Expect.equals(3.0, wzyx.y);
   Expect.equals(2.0, wzyx.z);
   Expect.equals(1.0, wzyx.w);
-  var wwzz = m.wwzz;
+  var wwzz = m.shuffle(Float32x4.wwzz);
   Expect.equals(4.0, wwzz.x);
   Expect.equals(4.0, wwzz.y);
   Expect.equals(3.0, wwzz.z);
   Expect.equals(3.0, wwzz.w);
-  var xxyy = m.xxyy;
+  var xxyy = m.shuffle(Float32x4.xxyy);
   Expect.equals(1.0, xxyy.x);
   Expect.equals(1.0, xxyy.y);
   Expect.equals(2.0, xxyy.z);
   Expect.equals(2.0, xxyy.w);
-  var yyww = m.yyww;
+  var yyww = m.shuffle(Float32x4.yyww);
   Expect.equals(2.0, yyww.x);
   Expect.equals(2.0, yyww.y);
   Expect.equals(4.0, yyww.z);