Add support for EGLImage to GrGLInterface

src/gpu/gl/GrGLInterface.cpp

Index: src/gpu/gl/GrGLInterface.cpp
diff --git a/src/gpu/gl/GrGLInterface.cpp b/src/gpu/gl/GrGLInterface.cpp
index fafd17cd0bc1825e16d17b244ee3629bd3073674..0c48fc157ff9b1f8502f6cbe23b67fea42dd72b0 100644
--- a/src/gpu/gl/GrGLInterface.cpp
+++ b/src/gpu/gl/GrGLInterface.cpp
@@ -739,5 +739,12 @@ bool GrGLInterface::validate() const {
         }
     }
 
+    if (fExtensions.has("EGL_KHR_image") || fExtensions.has("EGL_KHR_image_base")) {
+        if (nullptr == fFunctions.fCreateImage ||
+            nullptr == fFunctions.fDestroyImage) {
+            RETURN_FALSE_INTERFACE
+        }
+    }
+
     return true;
 }