Convert HidDeviceInfo from a struct to a refcounted class.

device/hid/hid_device_filter.h

 // Copyright 2014 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.
 
 #ifndef DEVICE_HID_HID_DEVICE_FILTER_H_
 #define DEVICE_HID_HID_DEVICE_FILTER_H_
 
 #include <stdint.h>
 #include <vector>
 
+#include "base/memory/ref_counted.h"
+
 namespace device {
 
-struct HidDeviceInfo;
+class HidDeviceInfo;
 
 class HidDeviceFilter {
  public:
   HidDeviceFilter();
   ~HidDeviceFilter();
 
   void SetVendorId(uint16_t vendor_id);
   void SetProductId(uint16_t product_id);
   void SetUsagePage(uint16_t usage_page);
   void SetUsage(uint16_t usage);
 
-  bool Matches(const HidDeviceInfo& device_info) const;
+  bool Matches(scoped_refptr<const HidDeviceInfo> device_info) const;
 
-  static bool MatchesAny(const HidDeviceInfo& device_info,
+  static bool MatchesAny(scoped_refptr<const HidDeviceInfo> device_info,
                          const std::vector<HidDeviceFilter>& filters);
 
  private:
   uint16_t vendor_id_;
   uint16_t product_id_;
   uint16_t usage_page_;
   uint16_t usage_;
   bool vendor_id_set_ : 1;
   bool product_id_set_ : 1;
   bool usage_page_set_ : 1;
   bool usage_set_ : 1;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_HID_HID_DEVICE_FILTER_H_