Migrate desktop Linux to histogram_macros.h include.

device/bluetooth/bluez/bluetooth_pairing_bluez.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/bluetooth/bluez/bluetooth_pairing_bluez.h"
 
 #include "base/logging.h"
-#include "base/metrics/histogram.h"
+#include "base/metrics/histogram_macros.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluez/bluetooth_device_bluez.h"
 
 using device::BluetoothDevice;
 
 namespace {
 
 // Histogram enumerations for pairing methods.
 enum UMAPairingMethod {
   UMA_PAIRING_METHOD_NONE,
@@ skipping 244 matching lines @@
   // If this is not an outgoing connection to the device, clean up the pairing
   // context since the pairing is done. The outgoing connection case is cleaned
   // up in the callback for the underlying Pair() call.
   if (!device_->IsConnecting())
     device_->EndPairing();
 
   return callback_run;
 }
 
 }  // namespace bluez