components: Change auto to not deduce raw pointers.

components/proximity_auth/ble/bluetooth_low_energy_connection.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 "components/proximity_auth/ble/bluetooth_low_energy_connection.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 541 matching lines @@
 
 BluetoothDevice* BluetoothLowEnergyConnection::GetRemoteDevice() {
   // It's not possible to simply use
   // |adapter_->GetDevice(GetDeviceAddress())| to find the device with MAC
   // address |GetDeviceAddress()|. For paired devices,
   // BluetoothAdapter::GetDevice(XXX) searches for the temporary MAC address
   // XXX, whereas |GetDeviceAddress()| is the real MAC address. This is a
   // bug in the way device::BluetoothAdapter is storing the devices (see
   // crbug.com/497841).
   std::vector<BluetoothDevice*> devices = adapter_->GetDevices();
-  for (const auto& device : devices) {
+  for (auto* device : devices) {
     if (device->GetAddress() == GetDeviceAddress())
       return device;
   }
 
   return nullptr;
 }
 
 BluetoothRemoteGattService* BluetoothLowEnergyConnection::GetRemoteService() {
   BluetoothDevice* remote_device = GetRemoteDevice();
   if (!remote_device) {
     PA_LOG(WARNING) << "Remote device not found.";
     return NULL;
   }
   if (remote_service_.id.empty()) {
     std::vector<BluetoothRemoteGattService*> services =
         remote_device->GetGattServices();
-    for (const auto& service : services)
+    for (const auto* service : services)
       if (service->GetUUID() == remote_service_.uuid) {
         remote_service_.id = service->GetIdentifier();
         break;
       }
   }
   return remote_device->GetGattService(remote_service_.id);
 }
 
 BluetoothRemoteGattCharacteristic*
 BluetoothLowEnergyConnection::GetGattCharacteristic(
@@ skipping 19 matching lines @@
     const uint32_t value) {
   std::vector<uint8_t> bytes(4, 0);
   bytes[0] = static_cast<uint8_t>(value);
   bytes[1] = static_cast<uint8_t>(value >> 8);
   bytes[2] = static_cast<uint8_t>(value >> 16);
   bytes[3] = static_cast<uint8_t>(value >> 24);
   return bytes;
 }
 
 }  // namespace proximity_auth