Add an elements_.length() accessor to the VirtualFrame class and use...

src/jump-target.cc

Index: src/jump-target.cc
===================================================================
--- src/jump-target.cc	(revision 2033)
+++ src/jump-target.cc	(working copy)
@@ -73,7 +73,7 @@
 
   // A list of pointers to frame elements in the entry frame.  NULL
   // indicates that the element has not yet been determined.
-  int length = initial_frame->elements_.length();
+  int length = initial_frame->element_count();
   ZoneList<FrameElement*> elements(length);
 
   // Convert the number of mergable elements (counted from the top
@@ -123,7 +123,7 @@
   // return address).  Replace those first.
   entry_frame_ = new VirtualFrame();
   int index = 0;
-  for (; index < entry_frame_->elements_.length(); index++) {
+  for (; index < entry_frame_->element_count(); index++) {
     FrameElement* target = elements[index];
     // If the element is determined, set it now.  Count registers.  Mark
     // elements as copied exactly when they have a copy.  Undetermined