Support for ozone graphics in content and gpu/

content/gpu/gpu_info_collector_ozone.cc

+// Copyright (c) 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.
+
+#include "content/gpu/gpu_info_collector.h"
+
+#include "base/command_line.h"
+#include "base/logging.h"
+#include "base/string_number_conversions.h"
+#include "base/string_util.h"
+#include "base/strings/string_piece.h"
+#include "base/strings/string_split.h"
+#include "cc/base/switches.h"
+#include "content/public/common/content_switches.h"
+
+namespace gpu_info_collector {
+
+bool CollectContextGraphicsInfo(content::GPUInfo* gpu_info) {
+  // can_lose_context must be false to enable accelerated Canvas2D
+  gpu_info->can_lose_context = false;
+  gpu_info->finalized = true;
+  return CollectGraphicsInfoGL(gpu_info);
+}
+
+GpuIDResult CollectGpuID(uint32* vendor_id, uint32* device_id) {
+  DCHECK(vendor_id && device_id);
+  *vendor_id = 0;
+  *device_id = 0;
+  return kGpuIDNotSupported;
+}
+
+bool CollectBasicGraphicsInfo(content::GPUInfo* gpu_info) {
+  gpu_info->can_lose_context = false;
+
+  CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kEnableVirtualGLContexts);
+  return true;
+}
+
+bool CollectDriverInfoGL(content::GPUInfo* gpu_info) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+void MergeGPUInfo(content::GPUInfo* basic_gpu_info,
+                  const content::GPUInfo& context_gpu_info) {
+  MergeGPUInfoGL(basic_gpu_info, context_gpu_info);
+}
+
+}  // namespace gpu_info_collector