Implementation of API to clear savings data.

chrome/renderer/resources/extensions/data_reduction_proxy.js

+// Copyright (c) 2015 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.
+
+// Custom binding for the dataReductionProxy API
+
+var sendRequest = require('sendRequest').sendRequest;
+var validate = require('schemaUtils').validate;
+
+function extendSchema(schema) {
+  var extendedSchema = $Array.slice(schema);
+  extendedSchema.unshift({'type': 'string'});
+  return extendedSchema;
+}
+
+function DataSavings(contentType, settingSchema) {
+  this.clear = function(details, callback) {
+    var clearSchema = this.functionSchemas.clear.definition.parameters;
+    validate([details, callback], clearSchema);
+    return sendRequest('dataReductionProxy.dataSavings.clear',
+                       [contentType, details, callback],
+                       extendSchema(clearSchema));
+  };
+}
+
+exports.DataSavings = DataSavings;