Reverting 3174. Aka reapplying 3150, 3151 and 3159. Aka api accessor

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index a0a242806b2ac449940dd8f22045e69c4d7b65e1..18d221c4073c2049138324b8f228c635357de59b 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -77,16 +77,18 @@ class MacroAssembler: public Assembler {
   void EnterConstructFrame() { EnterFrame(StackFrame::CONSTRUCT); }
   void LeaveConstructFrame() { LeaveFrame(StackFrame::CONSTRUCT); }
 
-  // Enter specific kind of exit frame; either EXIT or
-  // EXIT_DEBUG. Expects the number of arguments in register eax and
+  // Enter specific kind of exit frame; either in normal or debug mode.
+  // Expects the number of arguments in register eax and
   // sets up the number of arguments in register edi and the pointer
   // to the first argument in register esi.
-  void EnterExitFrame(StackFrame::Type type);
+  void EnterExitFrame(ExitFrame::Mode mode);
+
+  void EnterApiExitFrame(ExitFrame::Mode mode, int stack_space, int argc);
 
   // Leave the current exit frame. Expects the return value in
   // register eax:edx (untouched) and the pointer to the first
   // argument in register esi.
-  void LeaveExitFrame(StackFrame::Type type);
+  void LeaveExitFrame(ExitFrame::Mode mode);
 
 
   // ---------------------------------------------------------------------------
@@ -269,6 +271,9 @@ class MacroAssembler: public Assembler {
                        int num_arguments,
                        int result_size);
 
+  void PushHandleScope(Register scratch);
+  void PopHandleScope(Register scratch);
+
   // Jump to a runtime routine.
   void JumpToRuntime(const ExternalReference& ext);
 
@@ -346,6 +351,9 @@ class MacroAssembler: public Assembler {
   void EnterFrame(StackFrame::Type type);
   void LeaveFrame(StackFrame::Type type);
 
+  void EnterExitFramePrologue(ExitFrame::Mode mode);
+  void EnterExitFrameEpilogue(ExitFrame::Mode mode, int argc);
+
   // Allocation support helpers.
   void LoadAllocationTopHelper(Register result,
                                Register result_end,