Replace scoped_ptr with std::unique_ptr in //media.

media/midi/midi_manager_android.h

Index: media/midi/midi_manager_android.h
diff --git a/media/midi/midi_manager_android.h b/media/midi/midi_manager_android.h
index 97f156dfcc759de3d759797967f5356c55f7be4a..4269d5d8526d943b98a03d8ff7b4e3aac0bd56fb 100644
--- a/media/midi/midi_manager_android.h
+++ b/media/midi/midi_manager_android.h
@@ -8,11 +8,12 @@
 #include <jni.h>
 #include <stddef.h>
 #include <stdint.h>
+
+#include <memory>
 #include <vector>
 
 #include "base/android/scoped_java_ref.h"
 #include "base/containers/hash_tables.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/time/time.h"
 #include "media/midi/midi_input_port_android.h"
@@ -60,7 +61,7 @@ class MidiManagerAndroid final : public MidiManager,
   static bool Register(JNIEnv* env);
 
  private:
-  void AddDevice(scoped_ptr<MidiDeviceAndroid> device);
+  void AddDevice(std::unique_ptr<MidiDeviceAndroid> device);
   void AddInputPortAndroid(MidiInputPortAndroid* port,
                            MidiDeviceAndroid* device);
   void AddOutputPortAndroid(MidiOutputPortAndroid* port,
@@ -80,7 +81,7 @@ class MidiManagerAndroid final : public MidiManager,
   base::hash_map<MidiOutputPortAndroid*, size_t> output_port_to_index_;
 
   base::android::ScopedJavaGlobalRef<jobject> raw_manager_;
-  scoped_ptr<MidiScheduler> scheduler_;
+  std::unique_ptr<MidiScheduler> scheduler_;
 };
 
 }  // namespace midi