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

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MediaSettingsRange_h
 #define MediaSettingsRange_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "media/capture/mojo/image_capture.mojom-blink.h"
 
 namespace blink {
 
 class MediaSettingsRange final : public GarbageCollected<MediaSettingsRange>,
                                  public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   static MediaSettingsRange* create(double max,
                                     double min,
                                     double current,
                                     double step) {
     return new MediaSettingsRange(max, min, current, step);
   }
   static MediaSettingsRange* create(media::mojom::blink::RangePtr range) {
     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; }
   double current() const { return m_current; }
   double step() const { return m_step; }
 
   DEFINE_INLINE_TRACE() {}
 
  private:
   MediaSettingsRange(double max, double min, double current, double step)
       : m_max(max), m_min(min), m_current(current), m_step(step) {}
 
   double m_max;
   double m_min;
   double m_current;
   double m_step;
 };
 
 }  // namespace blink
 
 #endif  // MediaSettingsRange_h