Handle Alpha channel in Canvas capture

media/base/video_frame_unittest.cc

Index: media/base/video_frame_unittest.cc
diff --git a/media/base/video_frame_unittest.cc b/media/base/video_frame_unittest.cc
index 1b45ea80c27d3587491a4617cb5f59ce237c3610..79652bb43cd05db5c97c103d05bba7857c7559a0 100644
--- a/media/base/video_frame_unittest.cc
+++ b/media/base/video_frame_unittest.cc
@@ -242,11 +242,10 @@ TEST(VideoFrame, WrapVideoFrame) {
     gfx::Size natural_size = visible_rect.size();
     wrapped_frame->metadata()->SetTimeDelta(
         media::VideoFrameMetadata::FRAME_DURATION, kFrameDuration);
-    frame = media::VideoFrame::WrapVideoFrame(wrapped_frame, visible_rect,
-                                              natural_size);
+    frame = media::VideoFrame::WrapVideoFrame(
+        wrapped_frame, wrapped_frame->format(), visible_rect, natural_size);
     frame->AddDestructionObserver(base::Bind(
         &FrameNoLongerNeededCallback, wrapped_frame, &done_callback_was_run));
-
     EXPECT_EQ(wrapped_frame->coded_size(), frame->coded_size());
     EXPECT_EQ(wrapped_frame->data(media::VideoFrame::kYPlane),
               frame->data(media::VideoFrame::kYPlane));