Convert Ozone wayland to directly create GLSurfaces.

ui/ozone/platform/wayland/gl_surface_wayland.cc

+// Copyright 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.
+
+#include "ui/ozone/platform/wayland/gl_surface_wayland.h"
+
+#include <wayland-egl.h>
+
+#include <utility>
+
+#include "third_party/khronos/EGL/egl.h"
+#include "ui/ozone/common/egl_util.h"
+#include "ui/ozone/platform/wayland/wayland_window.h"
+
+namespace ui {
+
+void EGLWindowDeleter::operator()(wl_egl_window* egl_window) {
+  wl_egl_window_destroy(egl_window);
+}
+
+std::unique_ptr<wl_egl_window, EGLWindowDeleter> CreateWaylandEglWindow(
+    WaylandWindow* window) {
+  gfx::Size size = window->GetBounds().size();
+  return std::unique_ptr<wl_egl_window, EGLWindowDeleter>(
+      wl_egl_window_create(window->surface(), size.width(), size.height()));
+}
+
+GLSurfaceWayland::GLSurfaceWayland(WaylandEglWindowPtr egl_window)
+    : NativeViewGLSurfaceEGL(
+          reinterpret_cast<EGLNativeWindowType>(egl_window.get())),
+      egl_window_(std::move(egl_window)) {
+  DCHECK(egl_window_);
+}
+
+bool GLSurfaceWayland::Resize(const gfx::Size& size,
+                              float scale_factor,
+                              bool has_alpha) {
+  if (size_ == size)
+    return true;
+  wl_egl_window_resize(egl_window_.get(), size.width(), size.height(), 0, 0);
+  size_ = size;
+  return true;
+}
+
+EGLConfig GLSurfaceWayland::GetConfig() {
+  if (!config_) {
+    GLint config_attribs[] = {EGL_BUFFER_SIZE,
+                              32,
+                              EGL_ALPHA_SIZE,
+                              8,
+                              EGL_BLUE_SIZE,
+                              8,
+                              EGL_GREEN_SIZE,
+                              8,
+                              EGL_RED_SIZE,
+                              8,
+                              EGL_RENDERABLE_TYPE,
+                              EGL_OPENGL_ES2_BIT,
+                              EGL_SURFACE_TYPE,
+                              EGL_WINDOW_BIT,
+                              EGL_NONE};
+    config_ = ChooseEGLConfig(GetDisplay(), config_attribs);
+  }
+  return config_;
+}
+
+GLSurfaceWayland::~GLSurfaceWayland() {
+  Destroy();
+}
+
+}  // namespace ui