Cleanup: Remove unneeded scoped_ptr.h includes from content.

content/browser/download/download_buffer.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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_DOWNLOAD_DOWNLOAD_BUFFER_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_BUFFER_H_
 #pragma once
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "content/common/content_export.h"
 
 namespace net {
 class IOBuffer;
 }
 
 namespace content {
 
 typedef std::pair<scoped_refptr<net::IOBuffer>, size_t> ContentElement;
 typedef std::vector<ContentElement> ContentVector;
 
 // Helper function for ContentVector.
 // Assembles the data from |contents| and returns it in an |IOBuffer|.
 // The number of bytes in the |IOBuffer| is returned in |*num_bytes|
 // (if |num_bytes| is not NULL).
 // If |contents| is empty, returns NULL as an |IOBuffer| is not allowed
 // to have 0 bytes.
 CONTENT_EXPORT net::IOBuffer* AssembleData(const ContentVector& contents,
                                            size_t* num_bytes);
 
 // |DownloadBuffer| is a thread-safe wrapper around |ContentVector|.
 //
 // It is created and populated on the IO thread, and passed to the
 // FILE thread for writing. In order to avoid flooding the FILE thread with
 // too many small write messages, each write is appended to the
 // |DownloadBuffer| while waiting for the task to run on the FILE
 // thread. Access to the write buffers is synchronized via the lock.
-class CONTENT_EXPORT DownloadBuffer :
-    public base::RefCountedThreadSafe<DownloadBuffer> {
+class CONTENT_EXPORT DownloadBuffer
+    : public base::RefCountedThreadSafe<DownloadBuffer> {
  public:
   DownloadBuffer();
 
   // Adds data to the buffers.
   // Returns the number of |IOBuffer|s in the ContentVector.
   size_t AddData(net::IOBuffer* io_buffer, size_t byte_count);
 
   // Retrieves the ContentVector of buffers, clearing the contents.
   // The caller takes ownership.
   ContentVector* ReleaseContents();
 
   // Gets the number of |IOBuffers| we have.
   size_t size() const;
 
  private:
   friend class base::RefCountedThreadSafe<DownloadBuffer>;
 
   // Do not allow explicit destruction by anyone else.
   ~DownloadBuffer();
 
   mutable base::Lock lock_;
   ContentVector contents_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadBuffer);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_BUFFER_H_