Convert Ozone cast to directly create GLSurfaces.

ui/ozone/platform/cast/gl_surface_cast.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/cast/gl_surface_cast.h"
+
+#include "ui/ozone/common/egl_util.h"
+#include "ui/ozone/platform/cast/surface_factory_cast.h"
+
+namespace ui {
+
+GLSurfaceCast::GLSurfaceCast(gfx::AcceleratedWidget widget,
+                             SurfaceFactoryCast* parent)
+    : NativeViewGLSurfaceEGL(parent->GetNativeWindow()),
+      widget_(widget),
+      parent_(parent) {
+  DCHECK(parent_);
+}
+
+gfx::SwapResult GLSurfaceCast::SwapBuffers() {
+  gfx::SwapResult result = NativeViewGLSurfaceEGL::SwapBuffers();
+  if (result == gfx::SwapResult::SWAP_ACK)
+    parent_->OnSwapBuffers();
+
+  return result;
+}
+
+bool GLSurfaceCast::Resize(const gfx::Size& size,
+                           float scale_factor,
+                           bool has_alpha) {
+  return parent_->ResizeDisplay(size) &&
+         NativeViewGLSurfaceEGL::Resize(size, scale_factor, has_alpha);
+}
+
+bool GLSurfaceCast::ScheduleOverlayPlane(int z_order,
+                                         gfx::OverlayTransform transform,
+                                         gl::GLImage* image,
+                                         const gfx::Rect& bounds_rect,
+                                         const gfx::RectF& crop_rect) {
+  return image->ScheduleOverlayPlane(widget_, z_order, transform, bounds_rect,
+                                     crop_rect);
+}
+
+EGLConfig GLSurfaceCast::GetConfig() {
+  if (!config_) {
+    EGLint 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_;
+}
+
+GLSurfaceCast::~GLSurfaceCast() {
+  Destroy();
+  parent_->ChildDestroyed();
+}
+
+}  // namespace ui