Do not use vector<scoped_ptr<>>.

media/midi/midi_manager_win.h

Index: media/midi/midi_manager_win.h
diff --git a/media/midi/midi_manager_win.h b/media/midi/midi_manager_win.h
index 63096ab1ab6d0970751a7452368aa8c5d3f5125a..ff40e9810200a86d0b00983753328633f88b522e 100644
--- a/media/midi/midi_manager_win.h
+++ b/media/midi/midi_manager_win.h
@@ -8,7 +8,7 @@
 #include <vector>
 
 #include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
+#include "base/memory/scoped_vector.h"
 #include "base/threading/thread.h"
 #include "media/midi/midi_manager.h"
 
@@ -29,8 +29,8 @@ class MidiManagerWin : public MidiManager {
  private:
   class InDeviceInfo;
   class OutDeviceInfo;
-  std::vector<scoped_ptr<InDeviceInfo> > in_devices_;
-  std::vector<scoped_ptr<OutDeviceInfo> > out_devices_;
+  ScopedVector<InDeviceInfo> in_devices_;
+  ScopedVector<OutDeviceInfo> out_devices_;
   base::Thread send_thread_;
   DISALLOW_COPY_AND_ASSIGN(MidiManagerWin);
 };