Add the chrome.bluetoothLowEnergy.setAdvertisingInterval API.

device/bluetooth/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_BLUETOOTH_ADAPTER_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_H_
 
 #include <stdint.h>
 
 #include <list>
 #include <memory>
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
+#include "base/time/time.h"
 #include "build/build_config.h"
 #include "device/bluetooth/bluetooth_advertisement.h"
 #include "device/bluetooth/bluetooth_audio_sink.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_export.h"
 
 namespace device {
 
 class BluetoothAdvertisement;
 class BluetoothDiscoveryFilter;
@@ skipping 206 matching lines @@
   using ConstDeviceList = std::vector<const BluetoothDevice*>;
   using UUIDList = std::vector<BluetoothUUID>;
   using CreateServiceCallback =
       base::Callback<void(scoped_refptr<BluetoothSocket>)>;
   using CreateServiceErrorCallback =
       base::Callback<void(const std::string& message)>;
   using AcquiredCallback =
       base::Callback<void(scoped_refptr<BluetoothAudioSink>)>;
   using CreateAdvertisementCallback =
       base::Callback<void(scoped_refptr<BluetoothAdvertisement>)>;
-  using CreateAdvertisementErrorCallback =
+  using AdvertisementErrorCallback =
       base::Callback<void(BluetoothAdvertisement::ErrorCode)>;
 
   // Returns a weak pointer to a new adapter.  For platforms with asynchronous
   // initialization, the returned adapter will run the |init_callback| once
   // asynchronous initialization is complete.
   // Caution: The returned pointer also transfers ownership of the adapter.  The
   // caller is expected to call |AddRef()| on the returned pointer, typically by
   // storing it into a |scoped_refptr|.
   static base::WeakPtr<BluetoothAdapter> CreateAdapter(
       const InitCallback& init_callback);
@@ skipping 173 matching lines @@
       const AcquiredCallback& callback,
       const BluetoothAudioSink::ErrorCallback& error_callback) = 0;
 
   // Creates and registers an advertisement for broadcast over the LE channel.
   // The created advertisement will be returned via the success callback. An
   // advertisement can unregister itself at any time by calling its unregister
   // function.
   virtual void RegisterAdvertisement(
       std::unique_ptr<BluetoothAdvertisement::Data> advertisement_data,
       const CreateAdvertisementCallback& callback,
-      const CreateAdvertisementErrorCallback& error_callback) = 0;
+      const AdvertisementErrorCallback& error_callback) = 0;
+
+#if defined(OS_CHROMEOS) || defined(OS_LINUX)

[ortuno, 2016/09/22 03:02:25]

I think we still want device/bluetooth tests. It doesn't make sense for only
clients of the API to be testing parts of it.

+  // Sets the interval between two consecutive advertisements. Valid ranges
+  // for the interval are from 20ms to 10.24 seconds, with min <= max.

[ortuno, 2016/09/22 03:02:25]

nit: Could you add the same caveats as the chrome apps documentation?

+  virtual void SetAdvertisingInterval(

[ortuno, 2016/09/21 23:26:11]

Wouldn't this fit better as an argument of RegisterAdvertisement?

+      const base::TimeDelta& min,
+      const base::TimeDelta& max,
+      const base::Closure& callback,
+      const AdvertisementErrorCallback& error_callback) = 0;
+#endif
 
   // Returns the local GATT services associated with this adapter with the
   // given identifier. Returns NULL if the service doesn't exist.
   virtual BluetoothLocalGattService* GetGattService(
       const std::string& identifier) const = 0;
 
   // The following methods are used to send various events to observers.
   void NotifyAdapterPoweredChanged(bool powered);
   void NotifyDeviceChanged(BluetoothDevice* device);
 
@@ skipping 161 matching lines @@
   std::set<BluetoothDiscoverySession*> discovery_sessions_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<BluetoothAdapter> weak_ptr_factory_;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_H_