Roll third_party/polymer.

third_party/polymer/v1_0/components-chromium/iron-location/iron-query-params-extracted.js

+'use strict';
+
+  Polymer({
+    is: 'iron-query-params',
+    properties: {
+      paramsString: {
+        type: String,
+        notify: true,
+        observer: 'paramsStringChanged',
+      },
+      paramsObject: {
+        type: Object,
+        notify: true,
+        value: function() {
+          return {};
+        }
+      },
+      _dontReact: {
+        type: Boolean,
+        value: false
+      }
+    },
+    hostAttributes: {
+      hidden: true
+    },
+    observers: [
+      'paramsObjectChanged(paramsObject.*)'
+    ],
+    paramsStringChanged: function() {
+      this._dontReact = true;
+      this.paramsObject = this._decodeParams(this.paramsString);
+      this._dontReact = false;
+    },
+    paramsObjectChanged: function() {
+      if (this._dontReact) {
+        return;
+      }
+      this.paramsString = this._encodeParams(this.paramsObject);
+    },
+    _encodeParams: function(params) {
+      var encodedParams = [];
+      for (var key in params) {
+        var value = params[key];
+        if (value === '') {
+          encodedParams.push(encodeURIComponent(key));
+        } else if (value) {
+          encodedParams.push(
+              encodeURIComponent(key) +
+              '=' +
+              encodeURIComponent(value.toString())
+          );
+        }
+      }
+      return encodedParams.join('&');
+    },
+    _decodeParams: function(paramString) {
+      var params = {};
+      var paramList = (paramString || '').split('&');
+      for (var i = 0; i < paramList.length; i++) {
+        var param = paramList[i].split('=');
+        if (param[0]) {
+          params[decodeURIComponent(param[0])] =
+              decodeURIComponent(param[1] || '');
+        }
+      }
+      return params;
+    }
+  });