Issue 3248. Fix for extra interface final field warnings

compiler/java/com/google/dart/compiler/parser/DartParser.java

Index: compiler/java/com/google/dart/compiler/parser/DartParser.java
diff --git a/compiler/java/com/google/dart/compiler/parser/DartParser.java b/compiler/java/com/google/dart/compiler/parser/DartParser.java
index 5ee90f320be77e387d8324ec0d98a0f3c6680c01..6694887e81c46ec7b1c3ca833d5dcd5d6ccef027 100644
--- a/compiler/java/com/google/dart/compiler/parser/DartParser.java
+++ b/compiler/java/com/google/dart/compiler/parser/DartParser.java
@@ -1564,9 +1564,6 @@ public class DartParser extends CompletionHooksParserBase {
    * </pre>
    */
   private DartFieldDefinition parseFieldDeclaration(Modifiers modifiers, DartTypeNode type) {
-    if (isParsingInterface) {
-      modifiers = modifiers.makeFinal();
-    }
     List<DartField> fields = new ArrayList<DartField>();
     do {
       beginVariableDeclaration();