Add a TouchFile function that operates on FilePaths + fixing a bug...

base/file_util.h

Index: base/file_util.h
===================================================================
--- base/file_util.h	(revision 60236)
+++ base/file_util.h	(working copy)
@@ -31,7 +31,6 @@
 #include "base/platform_file.h"
 #include "base/scoped_ptr.h"
 #include "base/string16.h"
-#include "base/time.h"
 
 #if defined(OS_POSIX)
 #include "base/eintr_wrapper.h"
@@ -318,8 +317,14 @@
 // Returns information about the given file path.
 bool GetFileInfo(const FilePath& file_path, base::PlatformFileInfo* info);
 
+// Sets the time of the last access and the time of the last modification.
+bool TouchFile(const FilePath& path,
+               const base::Time& last_accessed,
+               const base::Time& last_modified);
+
 // Set the time of the last modification. Useful for unit tests.
-bool SetLastModifiedTime(const FilePath& file_path, base::Time last_modified);
+bool SetLastModifiedTime(const FilePath& path,
+                         const base::Time& last_modified);
 
 #if defined(OS_POSIX)
 // Store inode number of |path| in |inode|. Return true on success.