Fix a bunch of IWYU violators that don't include scoped_ptr.h

content/browser/browser_main.cc

 // Copyright (c) 2012 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/browser_main.h"
 
+#include "base/memory/scoped_ptr.h"
 #include "base/trace_event/trace_event.h"
 #include "content/common/content_constants_internal.h"
 #include "content/public/browser/browser_main_runner.h"
 
 namespace content {
 
 namespace {
 
 // Generates a pair of BrowserMain async events. We don't use the TRACE_EVENT0
 // macro because the tracing infrastructure doesn't expect synchronous events
@@ skipping 25 matching lines @@
     return exit_code;
 
   exit_code = main_runner->Run();
 
   main_runner->Shutdown();
 
   return exit_code;
 }
 
 }  // namespace content