Use a direct include of strings headers in webkit/, part 2.

webkit/plugins/npapi/plugin_list_posix.cc

 // Copyright (c) 2011 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 "webkit/plugins/npapi/plugin_list.h"
 
 #include <algorithm>
 #include <dlfcn.h>
 #if defined(OS_OPENBSD)
 #include <sys/exec_elf.h>
 #else
 #include <elf.h>
 #endif
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
 
 #include "base/cpu.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/native_library.h"
 #include "base/path_service.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/sha1.h"
-#include "base/string_util.h"
-#include "base/stringprintf.h"
 #include "base/strings/string_split.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 
 // These headers must be included in this order to make the declaration gods
 // happy.
 #include "base/third_party/nspr/prcpucfg_linux.h"
 
 namespace webkit {
 namespace npapi {
@@ skipping 546 matching lines @@
 
   // TODO(evanm): prefer the newest version of flash, etc. here?
 
   VLOG_IF(1, PluginList::DebugPluginLoading()) << "Using " << info.path.value();
 
   return true;
 }
 
 }  // namespace npapi
 }  // namespace webkit