Issue 4770. Infer type only constant List/Map literals

editor/tools/plugins/com.google.dart.tools.ui_test/src/com/google/dart/tools/ui/refactoring/ExtractUtilsTest.java

Index: editor/tools/plugins/com.google.dart.tools.ui_test/src/com/google/dart/tools/ui/refactoring/ExtractUtilsTest.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui_test/src/com/google/dart/tools/ui/refactoring/ExtractUtilsTest.java b/editor/tools/plugins/com.google.dart.tools.ui_test/src/com/google/dart/tools/ui/refactoring/ExtractUtilsTest.java
index abd5af7953a7b3f49e9173383fd45826857b3b07..e773256182466d3c4de048ff7eb4bed0dffca1a8 100644
--- a/editor/tools/plugins/com.google.dart.tools.ui_test/src/com/google/dart/tools/ui/refactoring/ExtractUtilsTest.java
+++ b/editor/tools/plugins/com.google.dart.tools.ui_test/src/com/google/dart/tools/ui/refactoring/ExtractUtilsTest.java
@@ -340,7 +340,7 @@ public final class ExtractUtilsTest extends AbstractDartTest {
   }
 
   public void test_getType_typedLiteral_List_noTypeArgument() throws Exception {
-    assertTypeSimple("List<int>", "[1, 2, 3]");
+    assertTypeSimple("List<int>", "const [1, 2, 3]");
   }
 
   public void test_getType_typedLiteral_List_withTypeArgument() throws Exception {
@@ -348,7 +348,7 @@ public final class ExtractUtilsTest extends AbstractDartTest {
   }
 
   public void test_getType_typedLiteral_Map_noTypeArgument() throws Exception {
-    assertTypeSimple("Map<String, int>", "{'a' : 1, 'b' : 2, 'c' : 3}");
+    assertTypeSimple("Map<String, int>", "const {'a' : 1, 'b' : 2, 'c' : 3}");
   }
 
   public void test_getType_typedLiteral_Map_withTypeArgument() throws Exception {