DirectX based screen capturer logic

webrtc/modules/desktop_capture/screen_capture_frame_queue.cc

Index: webrtc/modules/desktop_capture/screen_capture_frame_queue.cc
diff --git a/webrtc/modules/desktop_capture/screen_capture_frame_queue.cc b/webrtc/modules/desktop_capture/screen_capture_frame_queue.cc
index 94d8a27b137600db17dda571b3f5366ec5d637c4..b8bc1c609d60061d0cbd6bedae49cba26b92b12f 100644
--- a/webrtc/modules/desktop_capture/screen_capture_frame_queue.cc
+++ b/webrtc/modules/desktop_capture/screen_capture_frame_queue.cc
@@ -10,35 +10,23 @@
 
 #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/base/checks.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;
+  MoveToNext();
 
   // 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());
+  RTC_DCHECK(!current() || !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();
+  ReplaceCurrent(SharedDesktopFrame::Wrap(frame));
 }
 
 }  // namespace webrtc