Add embedder api for participating in gpu logic

content/public/browser/gpu_service_registry.cc

Index: content/public/browser/gpu_service_registry.cc
diff --git a/content/public/browser/gpu_service_registry.cc b/content/public/browser/gpu_service_registry.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e6a2ba740d2f6811b872ce903846b5ca6386a592
--- /dev/null
+++ b/content/public/browser/gpu_service_registry.cc
@@ -0,0 +1,18 @@
+// 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 "content/public/browser/gpu_service_registry.h"
+
+#include "content/browser/gpu/gpu_process_host.h"
+
+namespace content {
+
+ServiceRegistry* GetGpuServiceRegistry() {
+  GpuProcessHost* host =
+      GpuProcessHost::Get(GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
+                          CAUSE_FOR_GPU_LAUNCH_GET_GPU_SERVICE_REGISTRY);
+  return host->GetServiceRegistry();
+}
+
+}  // namespace content