Fixes for parsing warnigs, issue 1060.

compiler/java/com/google/dart/compiler/ast/LibraryUnit.java

Index: compiler/java/com/google/dart/compiler/ast/LibraryUnit.java
diff --git a/compiler/java/com/google/dart/compiler/ast/LibraryUnit.java b/compiler/java/com/google/dart/compiler/ast/LibraryUnit.java
index 2832e5b03d65020a05923d41d7bc11ab3be30f36..0a18d76b65df4eb3ef6a263392fb6873f6542ca5 100644
--- a/compiler/java/com/google/dart/compiler/ast/LibraryUnit.java
+++ b/compiler/java/com/google/dart/compiler/ast/LibraryUnit.java
@@ -456,7 +456,7 @@ public class LibraryUnit {
     };
 
     DartScannerParserContext parserContext = new DartScannerParserContext(src, srcCode, listener);
-    DartParser parser = new DartParser(parserContext);
+    DartParser parser = new DartParser(parserContext, true);
     DartUnit unit = parser.parseUnit(src);
 
     // When parsing from an API file, generate and store the hash for top level
@@ -470,7 +470,6 @@ public class LibraryUnit {
         ((DartClass)node).setHash(nodeString.hashCode());
       }
     }
-    unit.setDiet(true);
     putUnit(unit);
   }
 }