Update language tests to new getter syntax.

dart/tests/language/cascade_precedence_test.dart

Index: dart/tests/language/cascade_precedence_test.dart
diff --git a/dart/tests/language/cascade_precedence_test.dart b/dart/tests/language/cascade_precedence_test.dart
index 2ed263e0e4a291c6578e1a055e6ce1c7af3b5462..de39f02f967b9d3b1db9f4afc7730dd30efe378d 100644
--- a/dart/tests/language/cascade_precedence_test.dart
+++ b/dart/tests/language/cascade_precedence_test.dart
@@ -17,7 +17,7 @@ class A {
     if (n == 0) return set;
     return () => limp(n - 1);
   }
-  A get self() => this;
+  A get self => this;
   A operator+(A other) {
     this.value += other.value;
     return this;
@@ -29,7 +29,7 @@ class Box {
   Box(this.value);
   A operator[](int pos) => value;
   void operator[]=(int pos, A a) { value = a; }
-  A get x() => value;
+  A get x => value;
   void set x(A a) { value = a; }
 }