Issue #1751 -- Remove XP_MACOSX conditionals from the rest of the tree.

This also removes some PP abuse and takes file entries out of PP when no longer
needed without XP_MACOSX conditionals.

js/xpconnect/shell/xpcshell.cpp

@@ -10,9 +10,6 @@
 #include "mozilla/WindowsDllBlocklist.h"
 
 #include "nsXULAppAPI.h"
-#ifdef XP_MACOSX
-#include "xpcshellMacUtils.h"
-#endif
 #ifdef XP_WIN
 #include <windows.h>
 #include <shlobj.h>
@@ -37,10 +34,6 @@ main(int argc, char** argv, char** envp)
     gtk_parse_args(&argc, &argv);
 #endif
 
-#ifdef XP_MACOSX
-    InitAutoreleasePool();
-#endif
-
     // unbuffer stdout so that output is in the correct order; note that stderr
     // is unbuffered by default
     setbuf(stdout, 0);
@@ -51,9 +44,5 @@ main(int argc, char** argv, char** envp)
 
     int result = XRE_XPCShellMain(argc, argv, envp);
 
-#ifdef XP_MACOSX
-    FinishAutoreleasePool();
-#endif
-
     return result;
 }