Remove ScopedVector from content/browser/ [1].

content/browser/media/midi_host.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/media/midi_host.h"
 
 #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"
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/common/media/midi_messages.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/user_metrics.h"
 #include "media/midi/message_util.h"
 #include "media/midi/midi_message_queue.h"
@@ skipping 155 matching lines @@
                                size_t length,
                                double timestamp) {
   TRACE_EVENT0("midi", "MidiHost::ReceiveMidiData");
 
   base::AutoLock auto_lock(messages_queues_lock_);
   if (received_messages_queues_.size() <= port)
     return;
 
   // 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;
   while (true) {
     received_messages_queues_[port]->Get(&message);
     if (message.empty())
       break;
 
     // MIDI devices may send a system exclusive messages even if the renderer
     // doesn't have a permission to receive it. Don't kill the renderer as
@@ skipping 23 matching lines @@
         bytes_sent_since_last_acknowledgement_));
     bytes_sent_since_last_acknowledgement_ = 0;
   }
 }
 
 void MidiHost::Detach() {
   midi_service_ = nullptr;
 }
 
 }  // namespace content