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

chrome/common/auto_start_linux.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 "chrome/common/auto_start_linux.h"
 
 #include <stddef.h>
 
 #include "base/environment.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/nix/xdg_util.h"
 #include "base/strings/string_tokenizer.h"
 
 namespace {
 
 const base::FilePath::CharType kAutostart[] = "autostart";
 
 base::FilePath GetAutostartDirectory(base::Environment* environment) {
   base::FilePath result = base::nix::GetXDGDirectory(
       environment,
@@ skipping 61 matching lines @@
   base::StringTokenizer tokenizer(contents, "\n");
   std::string token = value_name + "=";
   while (tokenizer.GetNext()) {
     if (tokenizer.token().substr(0, token.length()) == token) {
       *value = tokenizer.token().substr(token.length());
       return true;
     }
   }
   return false;
 }