First round of JumpTarget simplification. Remove dead functions...

src/ia32/virtual-frame-ia32.cc

Index: src/ia32/virtual-frame-ia32.cc
===================================================================
--- src/ia32/virtual-frame-ia32.cc	(revision 2148)
+++ src/ia32/virtual-frame-ia32.cc	(working copy)
@@ -174,14 +174,8 @@
 }
 
 
-void VirtualFrame::MakeMergable(int mergable_elements) {
-  if (mergable_elements == JumpTarget::kAllElements) {
-    mergable_elements = element_count();
-  }
-  ASSERT(mergable_elements <= element_count());
-
-  int start_index = element_count() - mergable_elements;
-  for (int i = start_index; i < element_count(); i++) {
+void VirtualFrame::MakeMergable() {
+  for (int i = 0; i < element_count(); i++) {
     FrameElement element = elements_[i];
 
     if (element.is_constant() || element.is_copy()) {