Image Capture: fill in PhotoCapabilities.{height,width} in Linux/CrOs/Mac

media/capture/video/linux/v4l2_capture_delegate.cc

Index: media/capture/video/linux/v4l2_capture_delegate.cc
diff --git a/media/capture/video/linux/v4l2_capture_delegate.cc b/media/capture/video/linux/v4l2_capture_delegate.cc
index 6c765226b6d8dddc0d88f774853300290a12a413..c16c019d23fe95987f29dcd84d8b0dc6b1a06fcb 100644
--- a/media/capture/video/linux/v4l2_capture_delegate.cc
+++ b/media/capture/video/linux/v4l2_capture_delegate.cc
@@ -621,7 +621,11 @@ void V4L2CaptureDelegate::GetPhotoCapabilities(
 
   photo_capabilities->iso = mojom::Range::New();
   photo_capabilities->height = mojom::Range::New();
+  photo_capabilities->height->min = capture_format_.frame_size.height();
+  photo_capabilities->height->max = capture_format_.frame_size.height();
   photo_capabilities->width = mojom::Range::New();
+  photo_capabilities->width->min = capture_format_.frame_size.width();
+  photo_capabilities->width->max = capture_format_.frame_size.width();
   photo_capabilities->exposure_compensation = mojom::Range::New();
   photo_capabilities->red_eye_reduction = mojom::RedEyeReduction::NEVER;
   photo_capabilities->torch = false;