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gaia/apps/communications/contacts/js/utilities/telemetry.js

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+/*
+Copyright 2015, Mozilla Foundation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+'use strict';
+/* global AdvancedTelemetryHelper */
+/* global LazyLoader */
+
+(function(exports) {
+
+  var namespace = 'telemetry_gaia_contacts';
+
+  var dependencies = LazyLoader.load(
+    ['/shared/js/settings_listener.js',
+     '/shared/js/advanced_telemetry_helper.js']);
+
+  var Telemetry = {
+    logImportUsage: function(name) {
+      return dependencies.then(() => {
+        var histogramName = namespace + '_import_' + name;
+        var count = new AdvancedTelemetryHelper(
+          AdvancedTelemetryHelper.HISTOGRAM_COUNT,
+          histogramName);
+        count.add(1);  
+      });
+    }
+  };
+
+  exports.Telemetry = Telemetry;
+  // For testing purposes
+  exports.TelemetryReady = dependencies;
+
+})(window);