Bluetooth: mac: add connected BLE devices at startup

device/bluetooth/test/bluetooth_test_mac.mm

 // 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 "device/bluetooth/test/bluetooth_test_mac.h"
 
 #include <stdint.h>
 
 #include "base/mac/foundation_util.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 126 matching lines @@
 
   if (BluetoothAdapterMac::IsLowEnergyAvailable()) {
     mock_central_manager_.reset(
         new ScopedMockCentralManager([[MockCentralManager alloc] init]));
     mock_central_manager_->get().bluetoothTestMac = this;
     [mock_central_manager_->get() setState:CBCentralManagerStatePoweredOn];
     adapter_mac_->SetCentralManagerForTesting((id)mock_central_manager_->get());
   }
 }
 
+void BluetoothTestMac::InitWithFakeAdapterWithConnectedLowEnergyDevice() {
+  MockCentralManager* mock_central_manager = [[MockCentralManager alloc] init];
+
+  scoped_nsobject<MockCBPeripheral> mock_peripheral([[MockCBPeripheral alloc]
+      initWithUTF8StringIdentifier:kTestPeripheralUUID1.c_str()
+                              name:@(kTestDeviceName.c_str())]);
+
+  mock_central_manager.connected_peripherals = @[ mock_peripheral.get() ];
+
+  mock_central_manager_.reset(
+      new ScopedMockCentralManager(mock_central_manager));
+
+  mock_central_manager_->get().bluetoothTestMac = this;
+  [mock_central_manager_->get() setState:CBCentralManagerStatePoweredOn];
+
+  adapter_mac_ =
+      BluetoothAdapterMac::CreateAdapterForTest(
+          kTestAdapterName, kTestAdapterAddress, message_loop_.task_runner(),
+          (id)mock_central_manager_->get())
+          .get();
+  adapter_ = adapter_mac_;
+}
+
 BluetoothDevice* BluetoothTestMac::SimulateLowEnergyDevice(int device_ordinal) {
   TestBluetoothAdapterObserver observer(adapter_);
   CBCentralManager* central_manager = adapter_mac_->low_energy_central_manager_;
   BluetoothLowEnergyCentralManagerDelegate* central_manager_delegate =
       adapter_mac_->low_energy_central_manager_delegate_;
 
   const char* identifier;
   NSString* name;
   NSArray* uuids;
   NSNumber* rssi;
@@ skipping 331 matching lines @@
 //     crypto::SHA256HashString(input_str, raw, sizeof(raw));
 //     if (base::HexEncode(raw, sizeof(raw)) == target) {
 //       return input_str;
 //     }
 //     ++input[0];
 //   }
 //   return "";
 // }
 
 }  // namespace device