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

media/capture/video/mac/video_capture_device_mac.mm

Index: media/capture/video/mac/video_capture_device_mac.mm
diff --git a/media/capture/video/mac/video_capture_device_mac.mm b/media/capture/video/mac/video_capture_device_mac.mm
index a3c0166372582f13e3e8665c74e43ebcee8739e3..c84d6cf3e3cc86fdb4a1e742f046640fbfc1cd75 100644
--- a/media/capture/video/mac/video_capture_device_mac.mm
+++ b/media/capture/video/mac/video_capture_device_mac.mm
@@ -384,6 +384,35 @@ void VideoCaptureDeviceMac::TakePhoto(TakePhotoCallback callback) {
   [capture_device_ takePhoto];
 }
 
+void VideoCaptureDeviceMac::GetPhotoCapabilities(
+    GetPhotoCapabilitiesCallback callback) {
+  DCHECK(task_runner_->BelongsToCurrentThread());
+
+  auto photo_capabilities = mojom::PhotoCapabilities::New();
+
+  photo_capabilities->exposure_compensation = mojom::Range::New();
+  photo_capabilities->color_temperature = mojom::Range::New();
+  photo_capabilities->iso = mojom::Range::New();
+
+  photo_capabilities->brightness = mojom::Range::New();
+  photo_capabilities->contrast = mojom::Range::New();
+  photo_capabilities->saturation = mojom::Range::New();
+  photo_capabilities->sharpness = mojom::Range::New();
+
+  photo_capabilities->zoom = mojom::Range::New();
+
+  photo_capabilities->red_eye_reduction = mojom::RedEyeReduction::NEVER;
+  photo_capabilities->height = mojom::Range::New();

[Reilly Grant (use Gerrit), 2017/05/11 21:56:47]

The generated code now supports passing arguments to New(). Rejoice as you can
now write:

photo_capabilities->height =
mojom::Range::New(capture_format_.frame_size.height(),
capture_format_.frame_size.height());

[mcasas, 2017/05/11 22:09:45]

Yay!  (4 arguments needed though, the latter 2 being
|current| and |step| [1])

[1]
https://cs.chromium.org/chromium/src/out/Debug/gen/media/capture/mojo/image_c...

+  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->torch = false;
+
+  callback.Run(std::move(photo_capabilities));
+}
+
 bool VideoCaptureDeviceMac::Init(VideoCaptureApi capture_api_type) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK_EQ(state_, kNotInitialized);