Inline GPU and opus GYP files into GN build.

gpu/khronos_glcts_support/khronos_glcts_defaults.gypi

Index: gpu/khronos_glcts_support/khronos_glcts_defaults.gypi
diff --git a/gpu/khronos_glcts_support/khronos_glcts_defaults.gypi b/gpu/khronos_glcts_support/khronos_glcts_defaults.gypi
deleted file mode 100644
index 5634109a487221884f6432c4f211cbc5f1199a4b..0000000000000000000000000000000000000000
--- a/gpu/khronos_glcts_support/khronos_glcts_defaults.gypi
+++ /dev/null
@@ -1,34 +0,0 @@
-# Copyright 2015 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.
-
-{
-  'target_defaults': {
-    'defines': [
-      'DEQP_TARGET_NAME="chrome-gpu-command-buffer"',
-      'DEQP_SUPPORT_GLES2=1',
-      'DEQP_SUPPORT_EGL=1',
-      'GTF_API=GTF_GLES20',
-    ],
-    'conditions': [
-      ['OS=="linux"', {
-        'defines': [
-          '_XOPEN_SOURCE=500',
-        ],
-        'cflags!': [
-          '-fno-exceptions',
-        ],
-        'cflags_cc!': [
-          '-fno-exceptions',
-        ],
-        'target_conditions': [
-          ['_type=="static_library"', {
-            'cflags_cc!': [
-              '-fno-rtti',
-            ],
-          }],
-        ],
-      }],
-    ],
-  },
-}