Add support for EGLImage to GrGLInterface

src/gpu/gl/GrGLCreateNullInterface.cpp

Index: src/gpu/gl/GrGLCreateNullInterface.cpp
diff --git a/src/gpu/gl/GrGLCreateNullInterface.cpp b/src/gpu/gl/GrGLCreateNullInterface.cpp
index 1ed5f65e5c2112e269ca5b3dd185b8c4a3ae86c4..f0a3e7d4bdd13ae9884f45879eee6c45c6df17ff 100644
--- a/src/gpu/gl/GrGLCreateNullInterface.cpp
+++ b/src/gpu/gl/GrGLCreateNullInterface.cpp
@@ -488,6 +488,6 @@ const GrGLInterface* GrGLCreateNullInterface() {
     functions->fBindFragDataLocationIndexed = noOpGLBindFragDataLocationIndexed;
 
     interface->fExtensions.init(kGL_GrGLStandard, functions->fGetString, functions->fGetStringi,
-                                functions->fGetIntegerv);
+                                functions->fGetIntegerv, nullptr, GR_EGL_NO_DISPLAY);
     return interface;
 }