Move UdevDecodeString from media/midi to device/udev_linux

media/midi/midi_manager_alsa.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 MEDIA_MIDI_MIDI_MANAGER_ALSA_H_
 #define MEDIA_MIDI_MIDI_MANAGER_ALSA_H_
 
 #include <alsa/asoundlib.h>
 #include <map>
 #include <vector>
@@ skipping 39 matching lines @@
     const std::string alsa_driver() const;
     const std::string udev_id_path() const;
     const std::string udev_id_id() const;
 
    private:
     FRIEND_TEST_ALL_PREFIXES(MidiManagerAlsaTest, ExtractManufacturer);
     FRIEND_TEST_ALL_PREFIXES(MidiManagerAlsaTest, UdevEscape);
 
     // Extracts the manufacturer using heuristics and a variety of sources.
     static std::string ExtractManufacturerString(
-        const std::string& udev_id_vendor_enc,
+        const std::string& udev_id_vendor,
         const std::string& udev_id_vendor_id,
         const std::string& udev_id_vendor_from_database,
         const std::string& alsa_name,
         const std::string& alsa_longname);
 
-    // TODO(agoode): Move this into a common place. Maybe device/udev_linux?
-    // Decodes just \xXX in strings.
-    static std::string UnescapeUdev(const std::string& s);
-
     std::string alsa_name_;
     std::string manufacturer_;
     std::string alsa_driver_;
     std::string udev_id_path_;
     std::string udev_id_id_;
   };
 
   // An internal callback that runs on MidiSendThread.
   void SendMidiData(uint32 port_index,
                     const std::vector<uint8>& data);
@@ skipping 29 matching lines @@
 
   bool event_thread_shutdown_; // guarded by shutdown_lock_
   base::Lock shutdown_lock_; // guards event_thread_shutdown_
 
   DISALLOW_COPY_AND_ASSIGN(MidiManagerAlsa);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MIDI_MIDI_MANAGER_ALSA_H_