device: Change auto to not deduce raw pointers.

device/usb/usb_device_handle_usbfs.cc

 // Copyright 2016 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/usb/usb_device_handle_usbfs.h"
 
 #if defined(OS_ANDROID) && __ANDROID_API__ < 21
 #include <linux/usb_ch9.h>
 #else
 #include <linux/usb/ch9.h>
@@ skipping 719 matching lines @@
     USB_PLOG(DEBUG) << "Failed to submit transfer";
     callback_runner->PostTask(
         FROM_HERE, base::Bind(callback, ConvertTransferResult(rc), nullptr, 0));
   } else {
     SetUpTimeoutCallback(transfer.get(), timeout);
     transfers_.push_back(std::move(transfer));
   }
 }
 
 void UsbDeviceHandleUsbfs::ReapedUrbs(const std::vector<usbdevfs_urb*>& urbs) {
-  for (const auto& urb : urbs) {
+  for (auto* urb : urbs) {
     Transfer* this_transfer = static_cast<Transfer*>(urb->usercontext);
     DCHECK_EQ(urb, &this_transfer->urb);
     auto it = std::find_if(
         transfers_.begin(), transfers_.end(),
         [this_transfer](const std::unique_ptr<Transfer>& transfer) -> bool {
           return transfer.get() == this_transfer;
         });
     DCHECK(it != transfers_.end());
     std::unique_ptr<Transfer> transfer = std::move(*it);
     transfers_.erase(it);
@@ skipping 101 matching lines @@
       packets[i].transferred_length = 0;
       packets[i].status = status;
     }
     transfer->RunIsochronousCallback(packets);
   } else {
     transfer->RunCallback(status, 0);
   }
 }
 
 }  // namespace device