Fix gles2_conform_test failures when Mac switching to core profile

ui/gl/gl_version_info.h

Index: ui/gl/gl_version_info.h
diff --git a/ui/gl/gl_version_info.h b/ui/gl/gl_version_info.h
index ff751f8f6da6e3630f3a942e0f4d3c4fb87d4ea3..73018d0395789d7edaf25e9a52dcfea11f4d2fb9 100644
--- a/ui/gl/gl_version_info.h
+++ b/ui/gl/gl_version_info.h
@@ -39,6 +39,10 @@ struct GL_EXPORT GLVersionInfo {
     return is_es || is_desktop_core_profile;
   }
 
+  bool SupportsFixedType() const {
+    return is_es || IsAtLeastGL(4, 1);
+  }
+
   static void ParseVersionString(const char* version_str,
                                  unsigned* major_version,
                                  unsigned* minor_version,