components: Change auto to not deduce raw pointers.

components/proximity_auth/ble/bluetooth_low_energy_connection_finder.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_finder.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 
@@ skipping 179 matching lines @@
   PA_LOG(INFO) << "Adapter ready";
 
   adapter_ = adapter;
   adapter_->AddObserver(this);
 
   // This is important for debugging. To eliminate the case where the device was
   // removed (forgotten) by the user, or BlueZ didn't load the device correctly.
   if (finder_strategy_ == FIND_PAIRED_DEVICE) {
     PA_LOG(INFO) << "Looking for paired device: "
                  << remote_device_.bluetooth_address;
-    for (auto& device : adapter_->GetDevices()) {
+    for (const auto* device : adapter_->GetDevices()) {
       if (device->IsPaired())
         PA_LOG(INFO) << device->GetAddress() << " is paired";
     }
   }
 
   // Note: It's possible to connect to the paired directly, so when using
   // FIND_PAIRED_DEVICE strategy this is not necessary. However, the discovery
   // doesn't add a lot of latency, and the makes the code path for both
   // strategies more similar.
   StartDiscoverySession();
@@ skipping 88 matching lines @@
 BluetoothDevice* BluetoothLowEnergyConnectionFinder::GetDevice(
     const std::string& device_address) {
   // It's not possible to simply use
   // |adapter_->GetDevice(GetRemoteDeviceAddress())| to find the device with MAC
   // address |GetRemoteDeviceAddress()|. For paired devices,
   // BluetoothAdapter::GetDevice(XXX) searches for the temporary MAC address
   // XXX, whereas |remote_device_.bluetooth_address| 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() == device_address)
       return device;
   }
   return nullptr;
 }
 
 void BluetoothLowEnergyConnectionFinder::InvokeCallbackAsync() {
   connection_callback_.Run(std::move(connection_));
 }
 
 }  // namespace proximity_auth