Rename functions in video frame to comply with Style Guide

media/gpu/v4l2_video_encode_accelerator.cc

Index: media/gpu/v4l2_video_encode_accelerator.cc
diff --git a/media/gpu/v4l2_video_encode_accelerator.cc b/media/gpu/v4l2_video_encode_accelerator.cc
index 7312a237cda640775801d4c12f60a17eff3ec9e4..b09b6420a3f14c576831fb43f7ccf520b578eea7 100644
--- a/media/gpu/v4l2_video_encode_accelerator.cc
+++ b/media/gpu/v4l2_video_encode_accelerator.cc
@@ -767,7 +767,7 @@ bool V4L2VideoEncodeAccelerator::EnqueueInputRecord() {
         break;
 
       case V4L2_MEMORY_DMABUF:
-        qbuf.m.planes[i].m.fd = frame->dmabuf_fd(i);
+        qbuf.m.planes[i].m.fd = frame->DmabufFd(i);
         DCHECK_NE(qbuf.m.planes[i].m.fd, -1);
         break;