TraversableMap only dependent on DescriptorArray

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 4fd29ad56227d368d2ebb0773c566f6cba3909b0..ba4a88ca8c9c972a8f0919cb1385e23231431fff 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2420,6 +2420,8 @@ class IncrementalMarking;
 //
 class DescriptorArray: public FixedArray {
  public:
+  friend class IntrusiveMapTransitionIterator;

[Michael Starzinger, 2012/05/25 12:18:00]

Move that to the bottom of the class (or at least into the private section).

[Toon Verwaest, 2012/05/25 12:32:09]

Done.

+
   // Returns true for both shared empty_descriptor_array and for smis, which the
   // map uses to encode additional bit fields when the descriptor array is not
   // yet used.
@@ -2475,6 +2477,7 @@ class DescriptorArray: public FixedArray {
   inline String* GetKey(int descriptor_number);
   inline Object* GetValue(int descriptor_number);
   inline PropertyDetails GetDetails(int descriptor_number);
+

[Michael Starzinger, 2012/05/25 12:18:00]

Remove this empty line.

[Toon Verwaest, 2012/05/25 12:32:09]

Done.

   inline PropertyType GetType(int descriptor_number);
   inline int GetFieldIndex(int descriptor_number);
   inline JSFunction* GetConstantFunction(int descriptor_number);
@@ -2650,6 +2653,7 @@ class DescriptorArray: public FixedArray {
   FixedArray* GetContentArray() {
     return FixedArray::cast(get(kContentArrayIndex));
   }
+
   DISALLOW_IMPLICIT_CONSTRUCTORS(DescriptorArray);
 };