Convert HidDeviceInfo from a struct to a refcounted class.

device/hid/hid_connection_linux.h

 // Copyright (c) 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_CONNECTION_LINUX_H_
 #define DEVICE_HID_HID_CONNECTION_LINUX_H_
 
 #include <queue>
 
 #include "base/files/file.h"
 #include "base/memory/weak_ptr.h"
 #include "device/hid/hid_connection.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace device {
 
 class HidConnectionLinux : public HidConnection {
  public:
   HidConnectionLinux(
-      const HidDeviceInfo& device_info,
+      scoped_refptr<HidDeviceInfo> device_info,
       base::File device_file,
       scoped_refptr<base::SingleThreadTaskRunner> file_thread_runner);
 
  private:
   class Helper;
   friend class Helper;
   friend class base::RefCountedThreadSafe<HidConnectionLinux>;
 
   typedef base::Callback<void(ssize_t)> InternalWriteCallback;
   typedef base::Callback<void(int)> IoctlCallback;
@@ skipping 53 matching lines @@
   std::queue<PendingHidRead> pending_reads_;
 
   base::WeakPtrFactory<HidConnectionLinux> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HidConnectionLinux);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_HID_HID_CONNECTION_LINUX_H_