Revert some unnecessary changes

Author: bhackett1024

Diff for: js/src/jit/Ion.cpp

@@ -1858,14 +1858,6 @@ static bool ScriptIsTooLarge(JSContext* cx, JSScript* script) {
 }
 
 bool CanIonCompileScript(JSContext* cx, JSScript* script) {
-#ifdef XP_WIN
-  // For now Ion compilation is disabled on windows when recording/replaying due
-  // to crashes.
-  if (mozilla::recordreplay::IsRecordingOrReplaying()) {
-    return false;
-  }
-#endif
-
   if (!script->canIonCompile()) {
     return false;
   }

Diff for: toolkit/xre/nsWindowsWMain.cpp

@@ -91,10 +91,7 @@ static void FreeAllocStrings(int argc, char** argv) {
   delete[] argv;
 }
 
-// Note: Currently we export wmain so that when replaying it can be called
-// directly without having to go through the normal userspace executable
-// startup routines.
-__declspec(dllexport) int wmain(int argc, WCHAR** argv) {
+int wmain(int argc, WCHAR** argv) {
   SanitizeEnvironmentVariables();
   SetDllDirectoryW(L"");