MediaSettingsRange: s/long/double/ in MediaSettingsRange.idl and PhotoCapabilities.idl

third_party/WebKit/Source/modules/imagecapture/PhotoSettings.idl

 // 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.
 
 // https://www.w3.org/TR/image-capture/#PhotoSettings
 
 dictionary PhotoSettings {
     MeteringMode whiteBalanceMode;
-    unsigned long colorTemperature;
+    double colorTemperature;
     MeteringMode exposureMode;
-    unsigned long exposureCompensation;
-    unsigned long iso;
+    double exposureCompensation;
+    double iso;
     boolean redEyeReduction;
     MeteringMode focusMode;
     sequence<Point2D> pointsOfInterest;
 
-
-    unsigned long brightness;
-    unsigned long contrast;
-    unsigned long saturation;
-    unsigned long sharpness;
-    unsigned long zoom;
-    unsigned long imageHeight;
-    unsigned long imageWidth;
+    double brightness;
+    double contrast;
+    double saturation;
+    double sharpness;
+    double zoom;
+    double imageHeight;
+    double imageWidth;
     FillLightMode fillLightMode;
 };