--- a/js/src/jsprobes.cpp
+++ b/js/src/jsprobes.cpp
@@ -60,37 +60,36 @@ const char Probes::nullName[] = "(null)"
 const char Probes::anonymousName[] = "(anonymous)";
 
 bool Probes::ProfilingActive = true;
 
 bool
 Probes::controlProfilers(JSContext *cx, bool toState)
 {
     JSBool ok = JS_TRUE;
-#if defined(MOZ_SHARK) || defined(MOZ_CALLGRIND) || defined(MOZ_VTUNE)
+#if defined(MOZ_CALLGRIND) || defined(MOZ_VTUNE)
     jsval dummy;
 #endif
 
     if (! ProfilingActive && toState) {
-#ifdef MOZ_SHARK
-        if (! js_StartShark(cx, 0, &dummy))
+#if defined(MOZ_SHARK) && defined(__APPLE__)
+        if (!Shark::Start())
             ok = JS_FALSE;
 #endif
 #ifdef MOZ_CALLGRIND
         if (! js_StartCallgrind(cx, 0, &dummy))
             ok = JS_FALSE;
 #endif
 #ifdef MOZ_VTUNE
         if (! js_ResumeVtune(cx, 0, &dummy))
             ok = JS_FALSE;
 #endif
     } else if (ProfilingActive && ! toState) {
-#ifdef MOZ_SHARK
-        if (! js_StopShark(cx, 0, &dummy))
-            ok = JS_FALSE;
+#if defined(MOZ_SHARK) && defined(__APPLE__)
+        Shark::Stop();
 #endif
 #ifdef MOZ_CALLGRIND
         if (! js_StopCallgrind(cx, 0, &dummy))
             ok = JS_FALSE;
 #endif
 #ifdef MOZ_VTUNE
         if (! js_PauseVtune(cx, 0, &dummy))
             ok = JS_FALSE;
@@ -162,22 +161,22 @@ Probes::handleFunctionReturn(JSContext *
                                FunctionName(cx, fun, &funNameBytes));
 }
 
 #endif
 
 bool
 Probes::startProfiling()
 {
-#ifdef MOZ_SHARK
+#if defined(MOZ_SHARK) && defined(__APPLE__)
     if (Shark::Start())
         return true;
 #endif
     return false;
 }
 
 void
 Probes::stopProfiling()
 {
-#ifdef MOZ_SHARK
+#if defined(MOZ_SHARK) && defined(__APPLE__)
     Shark::Stop();
 #endif
 }