Address review comments from a previous CL.

vm/object_store.h

 // Copyright (c) 2011, 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_STORE_H_
 #define VM_OBJECT_STORE_H_
 
 #include "vm/object.h"
 
 namespace dart {
 
 // Forward declarations.
 class Isolate;
 class ObjectPointerVisitor;
 
 // The object store is a per isolate instance which stores references to
 // objects used by the VM.
 // TODO(iposva): Move the actual store into the object heap for quick handling
 // by snapshots eventually.
 class ObjectStore {
  public:
-  // Index for objects/types/classes stored in the object store,
-  // this index is used in snapshots to refer to classes or objects directly.
+  // Index for objects/types stored in the object store,
+  // this index is used in snapshots to refer to objects directly.
   enum {
     kTrueValue = Object::kMaxId,
     kFalseValue,
     kObjectType,
     kNullType,
     kDynamicType,
     kVoidType,
     kFunctionInterface,
     kNumberInterface,
     kDoubleInterface,
     kIntInterface,
     kBoolInterface,
     kStringInterface,
     kListInterface,
     kByteArrayInterface,
-    kObjectClass,
-    kIntegerImplementationClass,
-    kSmiClass,
-    kMintClass,
-    kBigintClass,
-    kDoubleClass,
-    kOneByteStringClass,
-    kTwoByteStringClass,
-    kFourByteStringClass,
-    kExternalOneByteStringClass,
-    kExternalTwoByteStringClass,
-    kExternalFourByteStringClass,
-    kBoolClass,
-    kArrayClass,
-    kImmutableArrayClass,
-    kGrowableObjectArrayClass,
-    kInt8ArrayClass,
-    kUint8ArrayClass,
-    kInt16ArrayClass,
-    kUint16ArrayClass,
-    kInt32ArrayClass,
-    kUint32ArrayClass,
-    kInt64ArrayClass,
-    kUint64ArrayClass,
-    kFloat32ArrayClass,
-    kFloat64ArrayClass,
-    kExternalInt8ArrayClass,
-    kExternalUint8ArrayClass,
-    kExternalInt16ArrayClass,
-    kExternalUint16ArrayClass,
-    kExternalInt32ArrayClass,
-    kExternalUint32ArrayClass,
-    kExternalInt64ArrayClass,
-    kExternalUint64ArrayClass,
-    kExternalFloat32ArrayClass,
-    kExternalFloat64ArrayClass,
-    kStacktraceClass,
-    kJSRegExpClass,
     kMaxId,
     kInvalidIndex = -1,
   };
 
   ~ObjectStore();
 
   RawClass* object_class() const {
     ASSERT(object_class_ != Object::null());
     return object_class_;
   }
@@ skipping 414 matching lines @@
   RawArray* keyword_symbols() const { return keyword_symbols_; }
   void set_keyword_symbols(const Array& value) {
     keyword_symbols_ = value.raw();
   }
   void InitKeywordTable();
 
   // Visit all object pointers.
   void VisitObjectPointers(ObjectPointerVisitor* visitor);
 
   RawClass* GetClass(int index);
-  int GetClassIndex(const RawClass* raw_class);
   RawType* GetType(int index);
   int GetTypeIndex(const RawType* raw_type);
 
   // Called to initialize objects required by the vm but which invoke
   // dart code.  If an error occurs then false is returned and error
   // information is stored in sticky_error().
   bool PreallocateObjects();
 
   static void Init(Isolate* isolate);
 
@@ skipping 75 matching lines @@
   RawObject** to() { return reinterpret_cast<RawObject**>(&keyword_symbols_); }
 
   friend class SnapshotReader;
 
   DISALLOW_COPY_AND_ASSIGN(ObjectStore);
 };
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_STORE_H_