Add the chrome.bluetoothLowEnergy.setAdvertisingInterval API.

device/bluetooth/test/mock_bluetooth_adapter.h

 // Copyright (c) 2012 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.
 
 #ifndef DEVICE_BLUETOOTH_TEST_MOCK_BLUETOOTH_ADAPTER_H_
 #define DEVICE_BLUETOOTH_TEST_MOCK_BLUETOOTH_ADAPTER_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 119 matching lines @@
       BluetoothDiscoveryFilter* discovery_filter,
       const base::Closure& callback,
       const DiscoverySessionErrorCallback& error_callback) override;
   void SetDiscoveryFilter(
       std::unique_ptr<BluetoothDiscoveryFilter> discovery_filter,
       const base::Closure& callback,
       const DiscoverySessionErrorCallback& error_callback) override;
   void RegisterAdvertisement(
       std::unique_ptr<BluetoothAdvertisement::Data> advertisement_data,
       const CreateAdvertisementCallback& callback,
-      const CreateAdvertisementErrorCallback& error_callback) override;
+      const AdvertisementErrorCallback& error_callback) override;
+  void SetAdvertisingInterval(

[xiyuan, 2016/09/21 16:35:23]

Should it be put under
  #if defined(OS_CHROMEOS) || defined(OS_LINUX)
?

[Rahul Chaturvedi, 2016/09/21 18:54:12]

Yep :)
Done.

+      const base::TimeDelta& min,
+      const base::TimeDelta& max,
+      const base::Closure& callback,
+      const AdvertisementErrorCallback& error_callback) override;
   virtual ~MockBluetoothAdapter();
 
   MOCK_METHOD1(RemovePairingDelegateInternal,
                void(BluetoothDevice::PairingDelegate* pairing_delegate));
 
   ScopedVector<MockBluetoothDevice> mock_devices_;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_TEST_MOCK_BLUETOOTH_ADAPTER_H_