Add the chrome.bluetoothLowEnergy.setAdvertisingInterval API.

device/bluetooth/dbus/fake_bluetooth_le_advertising_manager_client.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 "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "dbus/bus.h"
 #include "dbus/message.h"
 #include "dbus/object_proxy.h"
 #include "device/bluetooth/dbus/fake_bluetooth_le_advertisement_service_provider.h"
 #include "device/bluetooth/dbus/fake_bluetooth_le_advertising_manager_client.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace bluez {
 
-const char FakeBluetoothLEAdvertisingManagerClient::kAdvertisingManagerPath[] =
-    "/fake/hci0";
+namespace {
+
+constexpr char kAdvertisingManagerPath[] = "/fake/hci0";
+constexpr uint16_t kMinIntervalMs = 20;

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

nit: Please add an explanation and mention the section of the spec this refers
to.

+constexpr uint16_t kMaxIntervalMs = 10240;
+
+}  // namespace
 
 FakeBluetoothLEAdvertisingManagerClient::
     FakeBluetoothLEAdvertisingManagerClient() {}
 
 FakeBluetoothLEAdvertisingManagerClient::
     ~FakeBluetoothLEAdvertisingManagerClient() {}
 
 void FakeBluetoothLEAdvertisingManagerClient::Init(dbus::Bus* bus) {}
 
 void FakeBluetoothLEAdvertisingManagerClient::AddObserver(Observer* observer) {}
@@ skipping 46 matching lines @@
                        "Advertisement not registered");
   } else if (advertisement_object_path != currently_registered_) {
     error_callback.Run(bluetooth_advertising_manager::kErrorDoesNotExist,
                        "Does not exist");
   } else {
     currently_registered_ = dbus::ObjectPath("");
     base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback);
   }
 }
 
+void FakeBluetoothLEAdvertisingManagerClient::SetAdvertisingInterval(
+    const dbus::ObjectPath& object_path,
+    uint16_t min_interval_ms,
+    uint16_t max_interval_ms,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback) {
+  if (min_interval_ms < kMinIntervalMs || max_interval_ms > kMaxIntervalMs ||
+      min_interval_ms > max_interval_ms) {
+    error_callback.Run(bluetooth_advertising_manager::kErrorInvalidArguments,
+                       "Invalid interval.");
+    return;
+  }
+  callback.Run();
+}
+
 void FakeBluetoothLEAdvertisingManagerClient::
     RegisterAdvertisementServiceProvider(
         FakeBluetoothLEAdvertisementServiceProvider* service_provider) {
   service_provider_map_[service_provider->object_path_] = service_provider;
 }
 
 void FakeBluetoothLEAdvertisingManagerClient::
     UnregisterAdvertisementServiceProvider(
         FakeBluetoothLEAdvertisementServiceProvider* service_provider) {
   ServiceProviderMap::iterator iter =
       service_provider_map_.find(service_provider->object_path_);
   if (iter != service_provider_map_.end() && iter->second == service_provider)
     service_provider_map_.erase(iter);
 }
 
 }  // namespace bluez