Remove DesktopRegion parameter from DesktopCapturer::Capture

webrtc/modules/desktop_capture/cropping_window_capturer.cc

Index: webrtc/modules/desktop_capture/cropping_window_capturer.cc
diff --git a/webrtc/modules/desktop_capture/cropping_window_capturer.cc b/webrtc/modules/desktop_capture/cropping_window_capturer.cc
index 63a62f559bd329dae0940d106c3ecd7232fdfc07..71c5beac2b78b29022ea51add5b78d78576cddfd 100644
--- a/webrtc/modules/desktop_capture/cropping_window_capturer.cc
+++ b/webrtc/modules/desktop_capture/cropping_window_capturer.cc
@@ -79,7 +79,7 @@ void CroppingWindowCapturer::OnCaptureResult(
     std::unique_ptr<DesktopFrame> screen_frame) {
   if (!ShouldUseScreenCapturer()) {
     LOG(LS_INFO) << "Window no longer on top when ScreenCapturer finishes";
-    window_capturer_->Capture(DesktopRegion());
+    window_capturer_->CaptureFrame();
     return;
   }