Modify ScreenCaptureFrameQueue into a template

webrtc/modules/desktop_capture/screen_capture_frame_queue.cc

-/*
- *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/modules/desktop_capture/screen_capture_frame_queue.h"
-
-#include <assert.h>
-#include <algorithm>
-
-#include "webrtc/modules/desktop_capture/desktop_frame.h"
-#include "webrtc/modules/desktop_capture/shared_desktop_frame.h"
-#include "webrtc/system_wrappers/include/logging.h"
-#include "webrtc/typedefs.h"
-
-namespace webrtc {
-
-ScreenCaptureFrameQueue::ScreenCaptureFrameQueue() : current_(0) {}
-
-ScreenCaptureFrameQueue::~ScreenCaptureFrameQueue() {}
-
-void ScreenCaptureFrameQueue::MoveToNextFrame() {
-  current_ = (current_ + 1) % kQueueLength;
-
-  // Verify that the frame is not shared, i.e. that consumer has released it
-  // before attempting to capture again.
-  assert(!frames_[current_].get() || !frames_[current_]->IsShared());
-}
-
-void ScreenCaptureFrameQueue::ReplaceCurrentFrame(DesktopFrame* frame) {
-  frames_[current_].reset(SharedDesktopFrame::Wrap(frame));
-}
-
-void ScreenCaptureFrameQueue::Reset() {
-  for (int i = 0; i < kQueueLength; ++i)
-    frames_[i].reset();
-}
-
-}  // namespace webrtc