cc: Move scheduling logic out of OutputSurface

cc/scheduler/frame_rate_controller_unittest.cc

-// Copyright 2011 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 "cc/scheduler/frame_rate_controller.h"
-
-#include "base/test/test_simple_task_runner.h"
-#include "cc/test/scheduler_test_common.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace cc {
-namespace {
-
-class FakeFrameRateControllerClient : public FrameRateControllerClient {
- public:
-  FakeFrameRateControllerClient() { Reset(); }
-
-  void Reset() { frame_count_ = 0; }
-  bool BeganFrame() const { return frame_count_ > 0; }
-  int frame_count() const { return frame_count_; }
-
-  virtual void FrameRateControllerTick(const BeginFrameArgs& args) OVERRIDE {
-    frame_count_ += 1;
-  }
-
- protected:
-  int frame_count_;
-};
-
-TEST(FrameRateControllerTest, TestFrameThrottling_ImmediateAck) {
-  scoped_refptr<base::TestSimpleTaskRunner> task_runner =
-      new base::TestSimpleTaskRunner;
-  FakeFrameRateControllerClient client;
-  base::TimeDelta interval = base::TimeDelta::FromMicroseconds(
-      base::Time::kMicrosecondsPerSecond / 60);
-  scoped_refptr<FakeDelayBasedTimeSource> time_source =
-      FakeDelayBasedTimeSource::Create(interval, task_runner.get());
-  FrameRateController controller(time_source);
-
-  controller.SetClient(&client);
-  controller.SetActive(true);
-
-  base::TimeTicks elapsed;  // Muck around with time a bit
-
-  // Trigger one frame, make sure the BeginFrame callback is called
-  elapsed += task_runner->NextPendingTaskDelay();
-  time_source->SetNow(elapsed);
-  task_runner->RunPendingTasks();
-  EXPECT_TRUE(client.BeganFrame());
-  client.Reset();
-
-  // Trigger another frame, make sure BeginFrame runs again
-  elapsed += task_runner->NextPendingTaskDelay();
-  // Sanity check that previous code didn't move time backward.
-  EXPECT_GE(elapsed, time_source->Now());
-  time_source->SetNow(elapsed);
-  task_runner->RunPendingTasks();
-  EXPECT_TRUE(client.BeganFrame());
-}
-
-}  // namespace
-}  // namespace cc