Send bytes_used of v4l2 captured frame when video capture

media/video/capture/linux/v4l2_capture_delegate_single_plane.cc

Index: media/video/capture/linux/v4l2_capture_delegate_single_plane.cc
diff --git a/media/video/capture/linux/v4l2_capture_delegate_single_plane.cc b/media/video/capture/linux/v4l2_capture_delegate_single_plane.cc
index 0e6097428ad606b654b1ab6410f407f477a2385d..1b223d3385ab1e1b987c083243ff3c135d5ca927 100644
--- a/media/video/capture/linux/v4l2_capture_delegate_single_plane.cc
+++ b/media/video/capture/linux/v4l2_capture_delegate_single_plane.cc
@@ -31,12 +31,11 @@ void V4L2CaptureDelegateSinglePlane::FinishFillingV4L2Buffer(
 
 void V4L2CaptureDelegateSinglePlane::SendBuffer(
     const scoped_refptr<BufferTracker>& buffer_tracker,
-    const v4l2_format& format) const {
-  const size_t data_length = format.fmt.pix.sizeimage;
-  DCHECK_GE(data_length, capture_format().ImageAllocationSize());
+    const v4l2_format& format,
+    size_t bytes_used) const {
   client()->OnIncomingCapturedData(
       buffer_tracker->GetPlaneStart(0),
-      data_length,
+      bytes_used,
       capture_format(),
       rotation(),
       base::TimeTicks::Now());