src/: Update the remaining include paths of string_split.h to its new location.

webkit/plugins/npapi/plugin_lib_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_lib.h"
 
 #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/file_util.h"
 #include "base/posix/eintr_wrapper.h"
-#include "base/string_split.h"
 #include "base/string_util.h"
+#include "base/strings/string_split.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "webkit/plugins/npapi/plugin_list.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 267 matching lines @@
       break;
     }
   }
   if (!version.empty()) {
     info->version = UTF8ToUTF16(version);
   }
 }
 
 }  // namespace npapi
 }  // namespace webkit