--- Source/WebCore/platform/graphics/egl/GLContextEGL.cpp	
+++ Source/WebCore/platform/graphics/egl/GLContextEGL.cpp	
@@ -36,6 +36,8 @@ 
 #include "OpenGLShims.h"
 #endif
 
+#include <X11/Xlib.h>
+
 #if ENABLE(ACCELERATED_2D_CANVAS)
 // cairo-gl.h includes some definitions from GLX that conflict with
 // the ones provided by us. Since GLContextEGL doesn't use any GLX
@@ -50,6 +50,7 @@ Vector<String> pluginsDirectories()
 
     result.append(homeDirectoryPath() + "/.mozilla/plugins");
     result.append(homeDirectoryPath() + "/.netscape/plugins");
+    result.append("/usr/local/lib/browser_plugins/symlinks/webkit-gtk3");
     result.append("/usr/lib/browser/plugins");
     result.append("/usr/local/lib/mozilla/plugins");
     result.append("/usr/lib/firefox/plugins");