Remove base::ScopedPtrHashMap from device/.

device/bluetooth/bluetooth_adapter_mac_unittest.mm

Index: device/bluetooth/bluetooth_adapter_mac_unittest.mm
diff --git a/device/bluetooth/bluetooth_adapter_mac_unittest.mm b/device/bluetooth/bluetooth_adapter_mac_unittest.mm
index a17dabd717186f0729263fad8339dc79190c405e..b330b3faf95e64f7aad86cc42dac1feeefd3f4f2 100644
--- a/device/bluetooth/bluetooth_adapter_mac_unittest.mm
+++ b/device/bluetooth/bluetooth_adapter_mac_unittest.mm
@@ -7,6 +7,7 @@
 #include <memory>
 
 #include "base/bind.h"
+#include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/test/test_simple_task_runner.h"
 #include "build/build_config.h"
@@ -83,11 +84,6 @@ class BluetoothAdapterMacTest : public testing::Test {
     return BluetoothLowEnergyDeviceMac::GetPeripheralHashAddress(peripheral);
   }
 
-  void AddLowEnergyDevice(BluetoothLowEnergyDeviceMac* device) {
-    adapter_mac_->devices_.set(device->GetAddress(),
-                               std::unique_ptr<BluetoothDevice>(device));
-  }
-
   int NumDevices() { return adapter_mac_->devices_.size(); }
 
   bool DevicePresent(CBPeripheral* peripheral) {