cc: Implement unified BeginFrame on aura

ui/compositor/test/compositor_test_api.cc

+// Copyright 2015 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/compositor/test/compositor_test_api.h"
+
+#include "cc/output/begin_frame_args.h"
+#include "ui/compositor/compositor.h"
+
+namespace ui {
+
+CompositorTestAPI::CompositorTestAPI(Compositor* compositor)
+    : compositor_(compositor) {
+}
+
+CompositorTestAPI::~CompositorTestAPI() {
+}
+
+cc::BeginFrameArgs CompositorTestAPI::missed_begin_frame_args() {
+  return compositor_->missed_begin_frame_args_;
+}
+
+}  // namespace ui