Port count-based profiler to x64

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 78578cc88427b36b08d8e1b2f97a237fa7178b55..611ab495a6ac93fde983b798e9d02df820308470 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -3060,21 +3060,6 @@ void Code::set_compiled_optimizable(bool value) {
 }
 
 
-bool Code::has_self_optimization_header() {
-  ASSERT(kind() == FUNCTION);
-  byte flags = READ_BYTE_FIELD(this, kFullCodeFlags);
-  return FullCodeFlagsHasSelfOptimizationHeader::decode(flags);
-}
-
-
-void Code::set_self_optimization_header(bool value) {
-  ASSERT(kind() == FUNCTION);
-  byte flags = READ_BYTE_FIELD(this, kFullCodeFlags);
-  flags = FullCodeFlagsHasSelfOptimizationHeader::update(flags, value);
-  WRITE_BYTE_FIELD(this, kFullCodeFlags, flags);
-}
-
-
 int Code::allow_osr_at_loop_nesting_level() {
   ASSERT(kind() == FUNCTION);
   return READ_BYTE_FIELD(this, kAllowOSRAtLoopNestingLevelOffset);