Linux: Remove GTK+ dependency and add initial Aura/X11 implementation (issue #1258)

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1708 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tests/cefclient/resource_util_linux.cpp

@@ -6,6 +6,7 @@
 #include "cefclient/resource_util.h"
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 bool GetResourceDir(std::string& dir) {
   char buff[1024];