Merge changes Ie9f01eed,I3acb8a0d am: fb769a1607 am: 316160b179 am: 3fd616f492 am: 5338649baa am: a5e4f4d296

Original change: https://android-review.googlesource.com/c/platform/external/chromium-trace/+/1392438

Change-Id: I7a428aa7cb0cdad8a449e25867e8c4bb514c2d2d

1 files changed, 89 insertions, 0 deletions

diff --git a/catapult/third_party/polymer/components/iron-location/iron-query-params.html b/catapult/third_party/polymer/components/iron-location/iron-query-params.html
new file mode 100644
index 00000000..edcc3e1f
--- /dev/null
+++ b/catapult/third_party/polymer/components/iron-location/iron-query-params.html
@@ -0,0 +1,89 @@
+<!--
+@license
+Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+
+<link rel="import" href="../polymer/polymer.html">
+
+
+<script>
+  '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)
+          .replace(/%3F/g, '?').replace(/%2F/g, '/').replace(/'/g, '%27');
+    },
+    _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 = {};
+
+      // Work around a bug in decodeURIComponent where + is not
+      // converted to spaces:
+      paramString = (paramString || '').replace(/\+/g, '%20');
+
+      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;
+    }
+  });
+</script>