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

chrome/browser/devtools/devtools_file_system_indexer.h

 // 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.
 
 #ifndef CHROME_BROWSER_DEVTOOLS_DEVTOOLS_FILE_SYSTEM_INDEXER_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_FILE_SYSTEM_INDEXER_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/files/file_proxy.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 
 class Profile;
 
 namespace base {
 class FilePath;
 class FileEnumerator;
 class Time;
 }
 
 namespace content {
@@ skipping 76 matching lines @@
   virtual ~DevToolsFileSystemIndexer();
 
   void SearchInPathOnFileThread(const std::string& file_system_path,
                                 const std::string& query,
                                 const SearchCallback& callback);
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsFileSystemIndexer);
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_FILE_SYSTEM_INDEXER_H_