Inline GPU and opus GYP files into GN build.

gpu/skia_bindings/skia_bindings.gyp

Index: gpu/skia_bindings/skia_bindings.gyp
diff --git a/gpu/skia_bindings/skia_bindings.gyp b/gpu/skia_bindings/skia_bindings.gyp
deleted file mode 100644
index 322a3792c25a6891d71cdfc7539b20756917bbaa..0000000000000000000000000000000000000000
--- a/gpu/skia_bindings/skia_bindings.gyp
+++ /dev/null
@@ -1,26 +0,0 @@
-# Copyright 2013 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.
-
-{
-  'variables': {
-    'chromium_code': 1,
-  },
-  'targets': [
-    {
-      # GN version: //gpu/skia_bindings
-      'target_name': 'gpu_skia_bindings',
-      'type': 'static_library',
-      'dependencies': [
-        '../gpu.gyp:gles2_implementation',
-        '../../skia/skia.gyp:skia',
-      ],
-      'sources': [
-        'gl_bindings_skia_cmd_buffer.cc',
-        'gl_bindings_skia_cmd_buffer.h',
-        'grcontext_for_gles2_interface.cc',
-        'grcontext_for_gles2_interface.h',
-      ],
-    }
-  ]
-}