[DevTools] Do not use OverridesSupport anywhere.

third_party/WebKit/Source/devtools/front_end/emulation/Geolocation.js

+// 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.
+
+/**
+ * @constructor
+ * @param {number} latitude
+ * @param {number} longitude
+ * @param {string} error
+ */
+WebInspector.Geolocation = function(latitude, longitude, error)

[pfeldman, 2016/01/27 17:53:18]

ditto

+{
+    this.latitude = latitude;
+    this.longitude = longitude;
+    this.error = error;
+}
+
+WebInspector.Geolocation.prototype = {
+    /**
+     * @return {string}
+     */
+    toSetting: function()
+    {
+        return (typeof this.latitude === "number" && typeof this.longitude === "number" && typeof this.error === "string") ? this.latitude + "@" + this.longitude + ":" + this.error : "";
+    },
+
+    apply: function()
+    {
+        for (var target of WebInspector.targetManager.targets(WebInspector.Target.Type.Page)) {
+            if (this.error)
+                target.emulationAgent().setGeolocationOverride();
+            else
+                target.emulationAgent().setGeolocationOverride(this.latitude, this.longitude, 150);
+
+        }
+    },
+
+    clear: function()
+    {
+        for (var target of WebInspector.targetManager.targets(WebInspector.Target.Type.Page))
+            target.emulationAgent().clearGeolocationOverride();
+    }
+}
+
+/**
+ * @return {!WebInspector.Geolocation}
+ */
+WebInspector.Geolocation.parseSetting = function(value)
+{
+    if (value) {
+        var splitError = value.split(":");
+        if (splitError.length === 2) {
+            var splitPosition = splitError[0].split("@");
+            if (splitPosition.length === 2)
+                return new WebInspector.Geolocation(parseFloat(splitPosition[0]), parseFloat(splitPosition[1]), splitError[1]);
+        }
+    }
+    return new WebInspector.Geolocation(0, 0, "");
+}
+
+/**
+ * @return {?WebInspector.Geolocation}
+ */
+WebInspector.Geolocation.parseUserInput = function(latitudeString, longitudeString, errorStatus)
+{
+    function isUserInputValid(value)
+    {
+        if (!value)
+            return true;
+        return /^[-]?[0-9]*[.]?[0-9]*$/.test(value);
+    }
+
+    if (!latitudeString && !longitudeString)
+        return null;
+
+    var isLatitudeValid = isUserInputValid(latitudeString);
+    var isLongitudeValid = isUserInputValid(longitudeString);
+
+    if (!isLatitudeValid && !isLongitudeValid)
+        return null;
+
+    var latitude = isLatitudeValid ? parseFloat(latitudeString) : -1;
+    var longitude = isLongitudeValid ? parseFloat(longitudeString) : -1;
+
+    return new WebInspector.Geolocation(latitude, longitude, errorStatus ? "PositionUnavailable" : "");
+}