Add support for khronos gl-cts using its drawElements apis

gpu/khronos_conform_support/khronos_conform_test.h

Index: gpu/khronos_conform_support/khronos_conform_test.h
diff --git a/gpu/khronos_conform_support/khronos_conform_test.h b/gpu/khronos_conform_support/khronos_conform_test.h
new file mode 100644
index 0000000000000000000000000000000000000000..bb8f90f9782df7c0d6d9ce4df2b21ef1ceafc2fb
--- /dev/null
+++ b/gpu/khronos_conform_support/khronos_conform_test.h
@@ -0,0 +1,11 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef GPU_KHRONOS_CONFORM_SUPPORT_KHRONOS_CONFORM_TEST_H
+#define GPU_KHRONOS_CONFORM_SUPPORT_KHRONOS_CONFORM_TEST_H
+
+bool RunKhronosConformTest(const char* test_name);
+
+#endif  // GPU_KHRONOS_CONFORM_SUPPORT_KHRONOS_CONFORM_TEST_H
+