Fix x64 build.

Review URL: http://codereview.chromium.org/115351

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1952 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x64/virtual-frame-x64.h

@@ -485,18 +485,6 @@ class VirtualFrame : public Malloced {
 
   bool Equals(VirtualFrame* other);
 
-  // Perform initialization required during entry frame computation
-  // after setting the virtual frame element at index in frame to be
-  // target.
-  void InitializeEntryElement(int index, FrameElement* target) {
-    elements_[index].clear_copied();
-    if (target->is_register()) {
-      register_locations_[target->reg().code()] = index;
-    } else if (target->is_copy()) {
-      elements_[target->index()].set_copied();
-    }
-  }
-
   friend class JumpTarget;
 };