Use MIDIMessageQueue/IsValidWebMIDIData for MIDI byte stream validation

media/midi/midi_manager.h

Index: media/midi/midi_manager.h
diff --git a/media/midi/midi_manager.h b/media/midi/midi_manager.h
index 6a301a942d9d1d6222c0e49587ef234951f8bba3..8fe5a6668602f24577ddacc3631c23e9b5dbdd59 100644
--- a/media/midi/midi_manager.h
+++ b/media/midi/midi_manager.h
@@ -10,6 +10,7 @@
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/scoped_vector.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/synchronization/lock.h"
 #include "media/base/media_export.h"
@@ -21,6 +22,8 @@ class Thread;
 
 namespace media {
 
+class MIDIMessageQueue;
+
 // A MIDIManagerClient registers with the MIDIManager to receive MIDI data.
 // See MIDIManager::RequestAccess() and MIDIManager::ReleaseAccess()
 // for details.
@@ -117,6 +120,7 @@ class MEDIA_EXPORT MIDIManager {
   // Protects access to our clients.
   base::Lock clients_lock_;
 
+  ScopedVector<MIDIMessageQueue> input_message_queues_;
   MIDIPortInfoList input_ports_;
   MIDIPortInfoList output_ports_;