1. Fix an issue with VM class names being null (this is exposed when doing a heap profile)

vm/object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 337 matching lines @@
 
   RawObject* raw_;  // The raw object reference.
 
  private:
   static void InitializeObject(uword address, intptr_t id, intptr_t size);
 
   static RawClass* CreateAndRegisterInterface(const char* cname,
                                               const Script& script,
                                               const Library& lib);
   static void RegisterClass(const Class& cls,
-                            const char* cname,
+                            const String& name,
                             const Library& lib);
   static void RegisterPrivateClass(const Class& cls,
-                                   const char* cname,
+                                   const String& name,
                                    const Library& lib);
 
   cpp_vtable* vtable_address() const {
     uword vtable_addr = reinterpret_cast<uword>(this);
     return reinterpret_cast<cpp_vtable*>(vtable_addr);
   }
 
   static cpp_vtable handle_vtable_;
   static cpp_vtable builtin_vtables_[kNumPredefinedCids];
 
@@ skipping 5142 matching lines @@
     if (this->CharAt(i) != str.CharAt(begin_index + i)) {
       return false;
     }
   }
   return true;
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_