Revert of Add scroll perf test for protocol in chromoting

remoting/test/scroll_frame_generator.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 "remoting/test/scroll_frame_generator.h"
-
-#include "remoting/test/frame_generator_util.h"
-#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
-
-namespace remoting {
-namespace test {
-
-namespace {
-int kScrollSpeedPixelsPerSecond = 500;
-}  // namespace
-
-ScrollFrameGenerator::ScrollFrameGenerator()
-    : base_frame_(LoadDesktopFrameFromPng("test_frame2.png")),
-      start_time_(base::TimeTicks::Now()) {}
-ScrollFrameGenerator::~ScrollFrameGenerator() {}
-
-std::unique_ptr<webrtc::DesktopFrame> ScrollFrameGenerator::GenerateFrame(
-    webrtc::SharedMemoryFactory* shared_memory_factory) {
-  base::TimeTicks now = base::TimeTicks::Now();
-  int position = static_cast<int>(kScrollSpeedPixelsPerSecond *
-                                  (now - start_time_).InSecondsF()) %
-                 base_frame_->size().height();
-  std::unique_ptr<webrtc::DesktopFrame> result(
-      new webrtc::BasicDesktopFrame(base_frame_->size()));
-
-  int top_height = base_frame_->size().height() - position;
-
-  result->CopyPixelsFrom(*base_frame_, webrtc::DesktopVector(0, position),
-                         webrtc::DesktopRect::MakeLTRB(
-                             0, 0, base_frame_->size().width(), top_height));
-  result->CopyPixelsFrom(
-      *base_frame_, webrtc::DesktopVector(0, 0),
-      webrtc::DesktopRect::MakeLTRB(0, top_height, base_frame_->size().width(),
-                                  base_frame_->size().height()));
-
-  result->mutable_updated_region()->SetRect(
-      webrtc::DesktopRect::MakeSize(result->size()));
-
-  ++last_frame_id_;
-  frame_timestamp_[last_frame_id_] = now;
-  DrawBarcode(last_frame_id_, true, result.get());
-
-  return result;
-}
-
-base::TimeDelta ScrollFrameGenerator::GetFrameLatency(
-    const webrtc::DesktopFrame& frame) {
-  int frame_id = ReadBarcode(frame);
-  if (!frame_timestamp_.count(frame_id))
-    LOG(FATAL) << "Unknown frame_id.";
-  return base::TimeTicks::Now() - frame_timestamp_[frame_id];
-}
-
-}  // namespace test
-}  // namespace remoting