Remove Frame, merge shadow and quick representations.

Change-Id: I5ae03a5e52111792d2df7e83cbd89ab25777844b
diff --git a/src/oat/runtime/x86/context_x86.h b/src/oat/runtime/x86/context_x86.h
index 845f6c3..3d6b1d9 100644
--- a/src/oat/runtime/x86/context_x86.h
+++ b/src/oat/runtime/x86/context_x86.h
@@ -29,7 +29,7 @@
   virtual ~X86Context() {}
 
   // No callee saves on X86
-  virtual void FillCalleeSaves(const Frame& fr);
+  virtual void FillCalleeSaves(const StackVisitor& fr);
 
   virtual void SetSP(uintptr_t new_sp) {
     gprs_[ESP] = new_sp;