Reverting 3159, 3151 and 3150

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
===================================================================
--- src/arm/macro-assembler-arm.h	(revision 3173)
+++ src/arm/macro-assembler-arm.h	(working copy)
@@ -87,14 +87,14 @@
   void EnterConstructFrame() { EnterFrame(StackFrame::CONSTRUCT); }
   void LeaveConstructFrame() { LeaveFrame(StackFrame::CONSTRUCT); }
 
-  // Enter specific kind of exit frame; either normal or debug mode.
-  // Expects the number of arguments in register r0 and
+  // Enter specific kind of exit frame; either EXIT or
+  // EXIT_DEBUG. Expects the number of arguments in register r0 and
   // the builtin function to call in register r1. Exits with argc in
   // r4, argv in r6, and and the builtin function to call in r5.
-  void EnterExitFrame(ExitFrame::Mode mode);
+  void EnterExitFrame(StackFrame::Type type);
 
   // Leave the current exit frame. Expects the return value in r0.
-  void LeaveExitFrame(ExitFrame::Mode mode);
+  void LeaveExitFrame(StackFrame::Type type);
 
   // Align the stack by optionally pushing a Smi zero.
   void AlignStack(int offset);