Cleanup: Remove unneeded browser_thread.h includes in contents.

content/browser/utility_process_host_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_UTILITY_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_UTILITY_PROCESS_HOST_IMPL_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/public/browser/browser_child_process_host_delegate.h"
 #include "content/public/browser/utility_process_host.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace content {
 class BrowserChildProcessHostImpl;
@@ skipping 52 matching lines @@
   bool started_;
 
   scoped_ptr<BrowserChildProcessHostImpl> process_;
 
   DISALLOW_COPY_AND_ASSIGN(UtilityProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_UTILITY_PROCESS_HOST_IMPL_H_