[runtime] Unify and simplify how frames are marked

src/x64/frames-x64.h

Index: src/x64/frames-x64.h
diff --git a/src/x64/frames-x64.h b/src/x64/frames-x64.h
index d213ecb7dcbba06d689ae5b872d2c37e834a629f..5aad54a69615b0fe9a527d85d4c770f14017f4b8 100644
--- a/src/x64/frames-x64.h
+++ b/src/x64/frames-x64.h
@@ -39,13 +39,11 @@ class EntryFrameConstants : public AllStatic {
   static const int kArgvOffset     = 6 * kPointerSize;
 };
 
-
-class ExitFrameConstants : public AllStatic {
+class ExitFrameConstants : public TypedFrameConstants {
  public:
-  static const int kFrameSize       = 2 * kPointerSize;
-
-  static const int kCodeOffset      = -2 * kPointerSize;
-  static const int kSPOffset        = -1 * kPointerSize;
+  static const int kSPOffset = TYPED_FRAME_PUSHED_VALUE_OFFSET(0);
+  static const int kCodeOffset = TYPED_FRAME_PUSHED_VALUE_OFFSET(1);
+  DEFINE_TYPED_FRAME_SIZES(2);
 
   static const int kCallerFPOffset  = +0 * kPointerSize;
   static const int kCallerPCOffset  = kFPOnStackSize;
@@ -63,7 +61,7 @@ class JavaScriptFrameConstants : public AllStatic {
   // FP-relative.
   static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset;
   static const int kLastParameterOffset = kFPOnStackSize + kPCOnStackSize;
-  static const int kFunctionOffset = StandardFrameConstants::kMarkerOffset;
+  static const int kFunctionOffset = StandardFrameConstants::kFunctionOffset;
 
   // Caller SP-relative.
   static const int kParam0Offset   = -2 * kPointerSize;