Bug 1602280 - Add visibility attribute to ProfilingStack. r=tcampbell…

…, a=RyanVM

Differential Revision: https://phabricator.services.mozilla.com/D56303

--HG--
extra : source : d3b4d295563c6efa03dcc2f206eb538c32b9bb75

js/public/ProfilingStack.h

@@ -17,7 +17,7 @@
 #include "js/Utility.h"
 
 class JS_PUBLIC_API JSTracer;
-class ProfilingStack;
+class JS_FRIEND_API ProfilingStack;
 
 // This file defines the classes ProfilingStack and ProfilingStackFrame.
 // The ProfilingStack manages an array of ProfilingStackFrames.
@@ -376,7 +376,7 @@ JS_FRIEND_API void SetProfilingThreadCallbacks(
 // - When popping an old frame, the only operation is the decrementing of the
 //   stack pointer, which is obviously atomic.
 //
-class ProfilingStack final {
+class JS_FRIEND_API ProfilingStack final {
  public:
   ProfilingStack() : stackPointer(0) {}