Check for compile-time constants in DartCompiler

compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java

Index: compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java
diff --git a/compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java b/compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java
index fa39da138d78e8b3181e0e5029532fe658a9ca99..97905c385b6464ee87c1b684bb393768825f8dd8 100644
--- a/compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java
+++ b/compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java
@@ -153,7 +153,7 @@ public class SyntaxTest extends AbstractParserTest {
     List<DartNode> nodes = unit.getTopLevelNodes();
     assertEquals(1, nodes.size());
     DartFieldDefinition f = (DartFieldDefinition)nodes.get(0);
-    DartField fieldX = (DartField)f.getFields().get(0);
+    DartField fieldX = f.getFields().get(0);
     DartArrayLiteral array = (DartArrayLiteral) fieldX.getValue();
     assertEquals(3, array.getExpressions().size());
     assertEquals(1, ((DartIntegerLiteral)array.getExpressions().get(0)).getValue().intValue());
@@ -162,11 +162,11 @@ public class SyntaxTest extends AbstractParserTest {
   }
 
   public void testMapLiteral() {
-    DartUnit unit = parseUnit("phony_map_literal.dart", "var x = <int>{'a':1,'b':2,'c':3};");
+    DartUnit unit = parseUnit("phony_map_literal1.dart", "var x = <int>{'a':1,'b':2,'c':3};");
     List<DartNode> nodes = unit.getTopLevelNodes();
     assertEquals(1, nodes.size());
     DartFieldDefinition f = (DartFieldDefinition)nodes.get(0);
-    DartField fieldX = (DartField)f.getFields().get(0);
+    DartField fieldX = f.getFields().get(0);
     DartMapLiteral map = (DartMapLiteral) fieldX.getValue();
     assertEquals(3, map.getEntries().size());
     assertEquals(1, ((DartIntegerLiteral) (map.getEntries().get(0)).getValue()).getValue()