Linux Video Capture: Add V4L2VideoCaptureDelegate{Single,Multi}Plane.

media/BUILD.gn

Index: media/BUILD.gn
diff --git a/media/BUILD.gn b/media/BUILD.gn
index 494ca6b39c0951afacff87ab72a4e99369ccd1a4..c4d5233d43760c275872bdbab06126b6f3056a45 100644
--- a/media/BUILD.gn
+++ b/media/BUILD.gn
@@ -211,6 +211,12 @@ component("media") {
     "renderers/video_renderer_impl.h",
     "video/capture/file_video_capture_device.cc",
     "video/capture/file_video_capture_device.h",
+    "video/capture/linux/v4l2_capture_delegate.cc",
+    "video/capture/linux/v4l2_capture_delegate.h",
+    "video/capture/linux/v4l2_capture_delegate_multi_plane.cc",
+    "video/capture/linux/v4l2_capture_delegate_multi_plane.h",
+    "video/capture/linux/v4l2_capture_delegate_single_plane.cc",
+    "video/capture/linux/v4l2_capture_delegate_single_plane.h",
     "video/capture/linux/video_capture_device_chromeos.cc",
     "video/capture/linux/video_capture_device_chromeos.h",
     "video/capture/linux/video_capture_device_linux.cc",
@@ -395,6 +401,13 @@ component("media") {
     ]
   }
 
+  if (is_openbsd) {
+    sources -= [
+      "video/capture/linux/v4l2_capture_delegate_multi_plane.cc",
+      "video/capture/linux/v4l2_capture_delegate_multi_plane.h",
+    ]
+  }
+
   if (is_ios) {
     deps += [ "//media/base/mac" ]
   }