Remove ScopedVector from content/browser/ [1].

content/browser/media/midi_host.cc

Index: content/browser/media/midi_host.cc
diff --git a/content/browser/media/midi_host.cc b/content/browser/media/midi_host.cc
index d85dc7d9a68bb250e0c2d8843a038f8ceb9b9e56..029f206914ef106455f8dd449238b5c0c7329807 100644
--- a/content/browser/media/midi_host.cc
+++ b/content/browser/media/midi_host.cc
@@ -6,6 +6,7 @@
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
+#include "base/memory/ptr_util.h"
 #include "base/process/process.h"
 #include "base/trace_event/trace_event.h"
 #include "content/browser/bad_message.h"
@@ -181,7 +182,8 @@ void MidiHost::ReceiveMidiData(uint32_t port,
 
   // Lazy initialization
   if (received_messages_queues_[port] == nullptr)
-    received_messages_queues_[port] = new midi::MidiMessageQueue(true);
+    received_messages_queues_[port] =
+        base::MakeUnique<midi::MidiMessageQueue>(true);
 
   received_messages_queues_[port]->Add(data, length);
   std::vector<uint8_t> message;