Implements error recovery for cases where 'var' or 'final' prefix a method def'n

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

Index: compiler/javatests/com/google/dart/compiler/parser/ValidatingSyntaxTest.java
diff --git a/compiler/javatests/com/google/dart/compiler/parser/ValidatingSyntaxTest.java b/compiler/javatests/com/google/dart/compiler/parser/ValidatingSyntaxTest.java
index 27fbce1bbe819d95b19fb53fe7c78a34d24ed661..5960da861ed53faf3c7e58f5f82278e544625373 100755
--- a/compiler/javatests/com/google/dart/compiler/parser/ValidatingSyntaxTest.java
+++ b/compiler/javatests/com/google/dart/compiler/parser/ValidatingSyntaxTest.java
@@ -73,7 +73,10 @@ public class ValidatingSyntaxTest extends AbstractParserTest {
   }
 
   @Override
-  protected DartUnit parseUnit(String srcName, String sourceCode) {
+  protected DartUnit parseUnit(String srcName, String sourceCode, Object... errors) {
+    if (errors.length > 0) {
+      throw new RuntimeException("Expected errors not implemented");
+    }
     return validateUnit(super.parseUnit(srcName, sourceCode));
   }