Add a first class GrowableObjectArray type in the VM and use it internally in the VM at all spots w…

vm/parser.h

Index: vm/parser.h
===================================================================
--- vm/parser.h	(revision 4983)
+++ vm/parser.h	(working copy)
@@ -215,9 +215,9 @@
 
   // Support for parsing of scripts.
   void ParseTopLevel();
-  void ParseClassDefinition(GrowableArray<const Class*>* classes);
-  void ParseInterfaceDefinition(GrowableArray<const Class*>* classes);
-  void ParseFunctionTypeAlias(GrowableArray<const Class*>* classes);
+  void ParseClassDefinition(const GrowableObjectArray& pending_classes);
+  void ParseInterfaceDefinition(const GrowableObjectArray& pending_classes);
+  void ParseFunctionTypeAlias(const GrowableObjectArray& pending_classes);
   void ParseTopLevelVariable(TopLevel* top_level);
   void ParseTopLevelFunction(TopLevel* top_level);
   void ParseTopLevelAccessor(TopLevel* top_level);