command_buffer_gles2: Add test command_buffer_gles2_test for command_buffer_gles2

gpu/gles2_conform_support/egl/test_support.h

+// Copyright (c) 2016 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_GLES2_CONFORM_SUPPORT_EGL_TEST_SUPPORT_H_
+#define GPU_GLES2_CONFORM_SUPPORT_EGL_TEST_SUPPORT_H_
+
+#if defined(COMPONENT_BUILD) && defined(COMMAND_BUFFER_GLES_LIB_SUPPORT_ONLY)
+// A variable used for communicating whether the app has initialized the global
+// variables.
+// On component build, the dynamic library and the Chromium test
+// runner executable refer to the same global variables. Any non-Chromium client
+// of the dynamic library will not initialize the globabl variables.
+// On non-component (static) build, the library and the runner have distinct
+// global variables.
+EGLAPI extern EGLAPIENTRY bool g_command_buffer_gles_has_atexit_manager;
+#endif
+
+#endif