Rename functions in video frame to comply with Style Guide

media/cast/sender/h264_vt_encoder_unittest.cc

Index: media/cast/sender/h264_vt_encoder_unittest.cc
diff --git a/media/cast/sender/h264_vt_encoder_unittest.cc b/media/cast/sender/h264_vt_encoder_unittest.cc
index d5f65903945a3ab38a550b1e3cf3caae288639c0..8fdf50ab900b83a80710dc5fcb4e27b72ae4655e 100644
--- a/media/cast/sender/h264_vt_encoder_unittest.cc
+++ b/media/cast/sender/h264_vt_encoder_unittest.cc
@@ -181,7 +181,7 @@ void CreateFrameAndMemsetPlane(VideoFrameFactory* const video_frame_factory) {
       video_frame_factory->MaybeCreateFrame(
           gfx::Size(kVideoWidth, kVideoHeight), base::TimeDelta());
   ASSERT_TRUE(video_frame.get());
-  auto* cv_pixel_buffer = video_frame->cv_pixel_buffer();
+  auto* cv_pixel_buffer = video_frame->CvPixelBuffer();
   ASSERT_TRUE(cv_pixel_buffer);
   CVPixelBufferLockBaseAddress(cv_pixel_buffer, 0);
   auto* ptr = CVPixelBufferGetBaseAddressOfPlane(cv_pixel_buffer, 0);