Add the chrome.bluetoothLowEnergy.setAdvertisingInterval API.

chrome/browser/extensions/api/bluetooth_low_energy/bluetooth_low_energy_apitest_chromeos.cc

 // Copyright 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.
 
 #include <memory>
 
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/login/users/fake_chrome_user_manager.h"
 #include "chrome/browser/chromeos/login/users/scoped_user_manager_enabler.h"
@@ skipping 90 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(BluetoothLowEnergyApiTestChromeOs,
                        RegisterAdvertisement) {
   EnterKioskSession();
   SetAutoLaunchApp();
   ASSERT_TRUE(RunPlatformAppTest(
       "api_test/bluetooth_low_energy/register_advertisement"))
       << message_;
 }
 
+IN_PROC_BROWSER_TEST_F(BluetoothLowEnergyApiTestChromeOs,
+                       SetAdvertisingInterval) {
+  EnterKioskSession();
+  SetAutoLaunchApp();
+  ASSERT_TRUE(
+      RunPlatformAppTest("api_test/bluetooth_low_energy/"
+                         "set_advertising_interval"))
+      << message_;
+}
+
 IN_PROC_BROWSER_TEST_F(BluetoothLowEnergyApiTestChromeOs, CreateService) {
   EnterKioskSession();
   SetAutoLaunchApp();
   ASSERT_TRUE(
       RunPlatformAppTest("api_test/bluetooth_low_energy/"
                          "create_service"))
       << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(BluetoothLowEnergyApiTestChromeOs, CreateService_Flag) {
@@ skipping 85 matching lines @@
       "notify_characteristic_value_changed_error_conditions"))
       << message_;
 }
 
 // TODO(rkc): Figure out how to integrate with BluetoothTestBlueZ and write
 // comprehensive tests for GATT server events. See http://crbug.com/607395 for
 // details.
 
 }  // namespace
 }  // namespace extensions