[Mojo Video Capture] Add test ReceiveFramesFromFakeCaptureDevice

services/video_capture/public/cpp/video_capture_settings.h

Index: services/video_capture/public/cpp/video_capture_settings.h
diff --git a/services/video_capture/public/cpp/video_capture_settings.h b/services/video_capture/public/cpp/video_capture_settings.h
index eb1d0ff5a1dfe0e832997c30e1c7cd46e4836e7f..3f1f5d02ee9dc839d0aec0cc074de164e4dcfef6 100644
--- a/services/video_capture/public/cpp/video_capture_settings.h
+++ b/services/video_capture/public/cpp/video_capture_settings.h
@@ -15,6 +15,10 @@ struct VideoCaptureFormat {
   gfx::Size frame_size;
   float frame_rate;
 
+  bool operator==(const VideoCaptureFormat& other) const {
+    return frame_size == other.frame_size && frame_rate == other.frame_rate;
+  }
+
   void ConvertToMediaVideoCaptureFormat(
       media::VideoCaptureFormat* target) const {
     target->frame_size = frame_size;