Fix undeclared dependencies on ole32.lib and user32.lib

Bug: None
Change-Id: I41f4d3e31a199ba5aae8d4c9b6051f9cb4b6430e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/180960
Reviewed-by: Artem Titov <titovartem@webrtc.org>
Reviewed-by: Zeke Chin <tkchin@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31854}
diff --git a/modules/video_capture/BUILD.gn b/modules/video_capture/BUILD.gn
index af2b5d6..741d6e2 100644
--- a/modules/video_capture/BUILD.gn
+++ b/modules/video_capture/BUILD.gn
@@ -79,8 +79,10 @@
       ]
 
       libs = [
+        "ole32.lib",
         "oleaut32.lib",
         "strmiids.lib",
+        "user32.lib",
       ]
 
       if (build_with_mozilla) {