Image Capture Linux/CrOs, implement brightness, contrast, saturation and sharpness

content/browser/media/capture/image_capture_impl.cc

Index: content/browser/media/capture/image_capture_impl.cc
diff --git a/content/browser/media/capture/image_capture_impl.cc b/content/browser/media/capture/image_capture_impl.cc
index 75f86db44423362e6297742c57ed6725ca26917f..6b0510966c4229ea2fd2258b6aac8b396ad0e325 100644
--- a/content/browser/media/capture/image_capture_impl.cc
+++ b/content/browser/media/capture/image_capture_impl.cc
@@ -39,6 +39,10 @@ void RunFailedGetCapabilitiesCallback(
   empty_capabilities->zoom = media::mojom::Range::New();
   empty_capabilities->exposure_compensation = media::mojom::Range::New();
   empty_capabilities->color_temperature = media::mojom::Range::New();
+  empty_capabilities->brightness = media::mojom::Range::New();
+  empty_capabilities->contrast = media::mojom::Range::New();
+  empty_capabilities->saturation = media::mojom::Range::New();
+  empty_capabilities->sharpness = media::mojom::Range::New();
   cb.Run(std::move(empty_capabilities));
 }