A few small changes to --print-ast behavior:...

src/prettyprinter.cc

Index: src/prettyprinter.cc
===================================================================
--- src/prettyprinter.cc	(revision 1697)
+++ src/prettyprinter.cc	(working copy)
@@ -646,7 +646,7 @@
 
 void AstPrinter::PrintIndented(const char* txt) {
   for (int i = 0; i < indent_; i++) {
-    Print(".   ");
+    Print(". ");
   }
   Print(txt);
 }
@@ -732,7 +732,7 @@
   if (scope->num_parameters() > 0) {
     IndentedScope indent("PARAMS");
     for (int i = 0; i < scope->num_parameters(); i++) {
-      PrintLiteralWithModeIndented("VAR ", scope->parameter(i),
+      PrintLiteralWithModeIndented("VAR", scope->parameter(i),
                                    scope->parameter(i)->name(),
                                    scope->parameter(i)->type());
     }
@@ -1024,7 +1024,7 @@
   Visit(node->obj());
   Literal* literal = node->key()->AsLiteral();
   if (literal != NULL && literal->handle()->IsSymbol()) {
-    PrintLiteralIndented("LITERAL", literal->handle(), false);
+    PrintLiteralIndented("NAME", literal->handle(), false);
   } else {
     PrintIndentedVisit("KEY", node->key());
   }