ozone: Add egltest platform

ui/ozone/platform/egltest/eglplatform_shim.h

+// 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 __eglplatform_shim_h_
+#define __eglplatform_shim_h_
+
+#include <EGL/egl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SHIM_EXPORT __attribute__((visibility("default")))
+
+// Simple integral native window identifier.
+// NB: Unlike EGLNativeWindowType, this will be shipped between processes.
+typedef int ShimNativeWindowId;
+#define SHIM_NO_WINDOW_ID ((ShimNativeWindowId)0)
+
+/* QueryString targets */
+#define SHIM_EGL_LIBRARY 0x1001
+#define SHIM_GLES_LIBRARY 0x1002
+
+/* CreateWindow / QueryWindow attributes */
+#define SHIM_WINDOW_WIDTH 0x0001
+#define SHIM_WINDOW_HEIGHT 0x0002
+
+// Query global implementation information.
+SHIM_EXPORT const char* ShimQueryString(int name);
+
+// Init/terminate library.
+SHIM_EXPORT bool ShimInitialize();
+SHIM_EXPORT bool ShimTerminate();
+
+// Create window handle & query window properties (called from browser process).
+SHIM_EXPORT ShimNativeWindowId ShimCreateWindow(const int* attrib_list);
+SHIM_EXPORT bool ShimQueryWindow(ShimNativeWindowId window_id,
+                                 int attribute,
+                                 int* value);
+SHIM_EXPORT bool ShimDestroyWindow(ShimNativeWindowId window_id);
+
+// Manage actual EGL platform objects (called from GPU process).
+SHIM_EXPORT EGLNativeDisplayType ShimGetNativeDisplay();
+SHIM_EXPORT EGLNativeWindowType
+    ShimGetNativeWindow(ShimNativeWindowId native_window_id);
+SHIM_EXPORT bool ShimReleaseNativeWindow(EGLNativeWindowType native_window);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __eglplatform_shim_h */