Reland: Web MIDI: split build rules for media/midi

media/midi/usb_midi_output_stream.cc

 // 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.
 
 #include "media/midi/usb_midi_output_stream.h"
 
 #include "base/logging.h"
 #include "media/midi/midi_message_util.h"
 #include "media/midi/usb_midi_device.h"
 
@@ skipping 80 matching lines @@
     uint8 byte = Get(data, index);
     if ((byte & kSysRTMessageBitMask) == kSysRTMessageBitPattern) {
       // System Real-Time messages interleaved in a SysEx message
       PushSysRTMessage(data, &index, data_to_send);
       continue;
     }
 
     message[message_size] = byte;
     ++message_size;
     if (byte == kEndOfSysExByte) {
-      uint8 code_index = message_size + 0x4;
+      uint8 code_index = static_cast<uint8>(message_size) + 0x4;
       DCHECK(code_index == 0x5 || code_index == 0x6 || code_index == 0x7);
       data_to_send->push_back((jack_.cable_number << 4) | code_index);
       data_to_send->insert(data_to_send->end(),
                            message,
                            message + arraysize(message));
       *current = index + 1;
       is_sending_sysex_ = false;
       return true;
     }
     ++index;
@@ skipping 72 matching lines @@
   }
 
   data_to_send->push_back((jack_.cable_number << 4) | code_index);
   for (size_t i = index; i < index + 3; ++i)
     data_to_send->push_back(i < index + message_size ? Get(data, i) : 0);
   *current += message_size;
   return true;
 }
 
 }  // namespace media