Use a direct include of utf_string_conversions.h in android_webview/, apps/, ash/, base/.

base/sys_info_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 "base/sys_info.h"
 
 #include <errno.h>
 #include <string.h>
 #include <sys/param.h>
 #include <sys/utsname.h>
 #include <unistd.h>
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/logging.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
-#include "base/utf_string_conversions.h"
 
 #if defined(OS_ANDROID)
 #include <sys/vfs.h>
 #define statvfs statfs  // Android uses a statvfs-like statfs struct and call.
 #else
 #include <sys/statvfs.h>
 #endif
 
 namespace base {
 
@@ skipping 60 matching lines @@
   }
   return arch;
 }
 
 // static
 size_t SysInfo::VMAllocationGranularity() {
   return getpagesize();
 }
 
 }  // namespace base