Reland: Image Capture Linux/CrOs: wire some capabilities set/get

media/capture/video/linux/video_capture_device_linux.cc

Index: media/capture/video/linux/video_capture_device_linux.cc
diff --git a/media/capture/video/linux/video_capture_device_linux.cc b/media/capture/video/linux/video_capture_device_linux.cc
index cb12175ab14bb94a57f042f67cf81d265b02af99..a1b2855055e853b5e1d9210f5da139f8740ef7ec 100644
--- a/media/capture/video/linux/video_capture_device_linux.cc
+++ b/media/capture/video/linux/video_capture_device_linux.cc
@@ -91,6 +91,26 @@ void VideoCaptureDeviceLinux::TakePhoto(TakePhotoCallback callback) {
                             base::Passed(&callback)));
 }
 
+void VideoCaptureDeviceLinux::GetPhotoCapabilities(
+    GetPhotoCapabilitiesCallback callback) {
+  if (!v4l2_thread_.IsRunning())
+    return;  // Wrong state.
+  v4l2_thread_.task_runner()->PostTask(
+      FROM_HERE, base::Bind(&V4L2CaptureDelegate::GetPhotoCapabilities,
+                            capture_impl_, base::Passed(&callback)));
+}
+
+void VideoCaptureDeviceLinux::SetPhotoOptions(
+    mojom::PhotoSettingsPtr settings,
+    SetPhotoOptionsCallback callback) {
+  if (!v4l2_thread_.IsRunning())
+    return;  // Wrong state.
+  v4l2_thread_.task_runner()->PostTask(
+      FROM_HERE,
+      base::Bind(&V4L2CaptureDelegate::SetPhotoOptions, capture_impl_,
+                 base::Passed(&settings), base::Passed(&callback)));
+}
+
 void VideoCaptureDeviceLinux::SetRotation(int rotation) {
   if (v4l2_thread_.IsRunning()) {
     v4l2_thread_.task_runner()->PostTask(