Remove all blimp engine code

blimp/engine/renderer/frame_scheduler_unittest.cc

-// 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 "blimp/engine/renderer/frame_scheduler.h"
-
-#include "base/run_loop.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace blimp {
-namespace engine {
-namespace {
-
-class FrameSchedulerTest : public testing::Test, public FrameSchedulerClient {
- public:
-  FrameSchedulerTest() : scheduler_(base::ThreadTaskRunnerHandle::Get(), this) {
-    scheduler_.set_frame_delay_for_testing(base::TimeDelta::FromSeconds(0));
-  }
-  ~FrameSchedulerTest() override {}
-
-  // FrameSchedulerClient implementation.
-  void StartFrameUpdate() override {
-    num_frames_++;
-    if (send_client_update_during_frame_) {
-      scheduler_.DidSendFrameUpdateToClient();
-      send_client_update_during_frame_ = false;
-    }
-  }
-
- protected:
-  base::MessageLoop loop_;
-  FrameScheduler scheduler_;
-  int num_frames_ = 0;
-
-  bool send_client_update_during_frame_ = false;
-};
-
-TEST_F(FrameSchedulerTest, FirstMainFrameRequest) {
-  // The request for the first main frame should be responded to right away.
-  scheduler_.ScheduleFrameUpdate();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(1, num_frames_);
-}
-
-TEST_F(FrameSchedulerTest, MultipleMainFrameRequestsResultInSingleFrame) {
-  // Multiple main frame requests result in a single callback to the client.
-  scheduler_.ScheduleFrameUpdate();
-  scheduler_.ScheduleFrameUpdate();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(1, num_frames_);
-}
-
-TEST_F(FrameSchedulerTest, MainFrameBlockedOnAckFromClient) {
-  // Request a main frame, start it and send an update to the client. The second
-  // frame should remain blocked till an ack is received.
-  scheduler_.ScheduleFrameUpdate();
-  send_client_update_during_frame_ = true;
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(1, num_frames_);
-
-  // Request a frame and ensure that the client is not asked to start it.
-  scheduler_.ScheduleFrameUpdate();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(1, num_frames_);
-
-  // Now we have an ack from the client. This should start another frame.
-  scheduler_.DidReceiveFrameUpdateAck();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(2, num_frames_);
-}
-
-}  // namespace
-}  // namespace engine
-}  // namespace blimp