* Revert "Por rt flush_cache tool."

base/file_util.h

Index: base/file_util.h
diff --git a/base/file_util.h b/base/file_util.h
index 0bdb56d031ab19a2cf220707bfd7e015497989ee..3df31e4572b5c2a90c3a8f4201c8d67345da7912 100644
--- a/base/file_util.h
+++ b/base/file_util.h
@@ -389,10 +389,6 @@ bool RenameFileAndResetSecurityDescriptor(
     const std::wstring& source_file_path,
     const std::wstring& target_file_path);
 
-// Clear a specific file from the system cache. After this call, trying
-// to access this file will result in a cold load from the hard drive.
-bool EvictFileFromSystemCache(const FilePath path);
-
 }  // namespace file_util
 
 #endif  // BASE_FILE_UTIL_H_