Guard VMState trakcing with ENABLE_VMSTATE_TRACKING instead of

ENABLE_HEAP_PROTECTION.

TBR=mnaganov@chromium.org
Review URL: http://codereview.chromium.org/2098017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4696 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/api.cc

@@ -48,7 +48,7 @@
 
 #define LOG_API(expr) LOG(ApiEntryCall(expr))
 
-#ifdef ENABLE_HEAP_PROTECTION
+#ifdef ENABLE_VMSTATE_TRACKING
 #define ENTER_V8 i::VMState __state__(i::OTHER)
 #define LEAVE_V8 i::VMState __state__(i::EXTERNAL)
 #else