Second attempt at finalizing all classes in the VM (fix issue 364).

runtime/vm/object.h

Index: runtime/vm/object.h
===================================================================
--- runtime/vm/object.h	(revision 1474)
+++ runtime/vm/object.h	(working copy)
@@ -245,6 +245,14 @@
   static RawClass* GetSingletonClass(int index);
   static const char* GetSingletonClassName(int index);
 
+  static RawClass* CreateAndRegisterInterface(const char* cname,
+                                              const Script& script,
+                                              const Library& lib);
+  static void RegisterClass(const Class& cls,
+                            const char* cname,
+                            const Script& script,
+                            const Library& lib);
+
   static void Init(Isolate* isolate);
   static void InitFromSnapshot(Isolate* isolate);
   static void InitOnce();
@@ -410,7 +418,8 @@
   void set_type_parameters(const Array& value) const;
   intptr_t NumTypeParameters() const;
 
-  // Type parameters may optionally extend a Type (DynamicType if no extends).
+  // Type parameters may optionally extend a Type (Dynamic if no extends).
+  // TODO(regis): Should it be Object instead of Dynamic?
   RawTypeArray* type_parameter_extends() const {
     return raw_ptr()->type_parameter_extends_;
   }
@@ -420,8 +429,12 @@
   // Return null otherwise.
   RawTypeParameter* LookupTypeParameter(const String& type_name) const;
 
+  // The type argument vector is flattened and includes the type arguments of
+  // the super class.
+  bool HasTypeArguments() const;
+  intptr_t NumTypeArguments() const;
+
   // If this class is parameterized, each instance has a type_arguments field.
-  intptr_t NumTypeArguments() const;
   static const intptr_t kNoTypeArguments = -1;
   intptr_t type_arguments_instance_field_offset() const {
     ASSERT(is_finalized() || is_prefinalized());
@@ -430,15 +443,6 @@
   void set_type_arguments_instance_field_offset(intptr_t value) const {
     raw_ptr()->type_arguments_instance_field_offset_ = value;
   }
-  bool HasTypeArguments() const {
-    if (is_finalized() || is_prefinalized()) {
-      // More efficient than calling NumTypeArguments().
-      return type_arguments_instance_field_offset() != kNoTypeArguments;
-    } else {
-      // No need to check NumTypeArguments() if class has type parameters.
-      return (NumTypeParameters() > 0) || (NumTypeArguments() > 0);
-    }
-  }
 
   // The super type of this class, Object type if not explicitly specified.
   RawType* super_type() const { return raw_ptr()->super_type_; }