Fix IWYU violators that don't include scoped_ptr.h in Windows build.

content/browser/renderer_host/pepper/quota_reservation.cc

 // Copyright 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/renderer_host/pepper/quota_reservation.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
 #include "content/public/browser/browser_thread.h"
 #include "storage/browser/fileapi/file_system_operation_runner.h"
 #include "storage/browser/fileapi/quota/open_file_handle.h"
 #include "storage/browser/fileapi/quota/quota_reservation.h"
 #include "storage/common/fileapi/file_system_util.h"
 
 namespace content {
 
 // static
 scoped_refptr<QuotaReservation> QuotaReservation::Create(
@@ skipping 116 matching lines @@
            ->RunsTasksOnCurrentThread()) {
     file_system_context_->default_file_task_runner()->DeleteSoon(FROM_HERE,
                                                                  this);
   } else {
     // We're on the right thread to delete, or unit test.
     delete this;
   }
 }
 
 }  // namespace content