Image Capture: add |points_of_interest| to mojo and wire it to IDL layer

third_party/WebKit/Source/modules/imagecapture/MediaSettingsRange.h

Index: third_party/WebKit/Source/modules/imagecapture/MediaSettingsRange.h
diff --git a/third_party/WebKit/Source/modules/imagecapture/MediaSettingsRange.h b/third_party/WebKit/Source/modules/imagecapture/MediaSettingsRange.h
index 3809800d45bf341d57e949b51c72691db0f1eab3..f82a5475e9c9b4e4f6bd563e235a9fdff1505796 100644
--- a/third_party/WebKit/Source/modules/imagecapture/MediaSettingsRange.h
+++ b/third_party/WebKit/Source/modules/imagecapture/MediaSettingsRange.h
@@ -25,6 +25,10 @@ class MediaSettingsRange final : public GarbageCollected<MediaSettingsRange>,
     return MediaSettingsRange::create(range->max, range->min, range->current,

[Reilly Grant (use Gerrit), 2017/04/04 00:48:45]

return MediaSettingsRange::create(*range);

(The .get() isn't necessary.)

[mcasas, 2017/04/04 01:42:38]

Done.

                                       range->step);
   }
+  static MediaSettingsRange* create(const media::mojom::blink::Range& range) {
+    return MediaSettingsRange::create(range.max, range.min, range.current,
+                                      range.step);
+  }
 
   double max() const { return m_max; }
   double min() const { return m_min; }