Add use-surfaces command-line flag

content/browser/compositor/onscreen_display_client.cc

+// 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.
+
+#include "content/browser/compositor/onscreen_display_client.h"
+
+#include "cc/output/output_surface.h"
+
+namespace content {
+
+OnscreenDisplayClient::OnscreenDisplayClient(
+    const scoped_refptr<cc::ContextProvider>& onscreen_context_provider,
+    cc::SurfaceManager* manager)
+    : onscreen_context_provider_(onscreen_context_provider),
+      display_(this, manager) {
+}
+
+OnscreenDisplayClient::~OnscreenDisplayClient() {
+}
+
+scoped_ptr<cc::OutputSurface> OnscreenDisplayClient::CreateOutputSurface() {
+  return make_scoped_ptr(new cc::OutputSurface(onscreen_context_provider_))
+      .Pass();
+}
+
+}  // namespace content