GN Windows component build fixes

media/midi/midi_message_util.h

Index: media/midi/midi_message_util.h
diff --git a/media/midi/midi_message_util.h b/media/midi/midi_message_util.h
index faaff178373f4746b5de8e92a911c64ee77475f2..c3e239e83567d1f1d37cf886acdbb8966f816a0a 100644
--- a/media/midi/midi_message_util.h
+++ b/media/midi/midi_message_util.h
@@ -9,7 +9,7 @@
 #include <vector>
 
 #include "base/basictypes.h"
-#include "media/base/media_export.h"
+#include "media/midi/midi_export.h"
 
 namespace media {
 
@@ -18,7 +18,7 @@ namespace media {
 // - not a valid status byte, namely data byte.
 // - the MIDI System Exclusive message.
 // - the End of System Exclusive message.
-MEDIA_EXPORT size_t GetMidiMessageLength(uint8 status_byte);
+MIDI_EXPORT size_t GetMidiMessageLength(uint8 status_byte);
 
 const uint8 kSysExByte = 0xf0;
 const uint8 kEndOfSysExByte = 0xf7;