diff --git a/webrtc/base/fileutils.cc b/webrtc/base/fileutils.cc
index 60bd0f8f4..06d76d2b3 100644
--- a/webrtc/base/fileutils.cc
+++ b/webrtc/base/fileutils.cc
@@ -132,15 +132,14 @@ size_t DirectoryIterator::FileSize() const {
 #endif
 }
 
-  // returns the last modified time of this file
-time_t DirectoryIterator::FileModifyTime() const {
+bool DirectoryIterator::OlderThan(int seconds) const {
+  time_t file_modify_time;
 #if defined(WEBRTC_WIN)
-  time_t val;
-  FileTimeToUnixTime(data_.ftLastWriteTime, &val);
-  return val;
+  FileTimeToUnixTime(data_.ftLastWriteTime, &file_modify_time);
 #else
-  return stat_.st_mtime;
+  file_modify_time = stat_.st_mtime;
 #endif
+  return TimeDiff(time(NULL), file_modify_time) >= seconds;
 }
 
 FilesystemInterface* Filesystem::default_filesystem_ = NULL;
diff --git a/webrtc/base/fileutils.h b/webrtc/base/fileutils.h
index c0a3f88c6..33ce45794 100644
--- a/webrtc/base/fileutils.h
+++ b/webrtc/base/fileutils.h
@@ -67,8 +67,8 @@ class DirectoryIterator {
   // returns the size of the file currently pointed to
   virtual size_t FileSize() const;
 
-  // returns the last modified time of the file currently pointed to
-  virtual time_t FileModifyTime() const;
+  // returns true if the file is older than seconds
+  virtual bool OlderThan(int seconds) const;
 
   // checks whether current file is a special directory file "." or ".."
   bool IsDots() const {