Move more file_util functions to base namespace.

TBR=jam

Review URL: https://codereview.chromium.org/189333004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256863 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: a26f4aec68d4e5637e19e156a4b34518c6a5804c
diff --git a/base/files/file_path.h b/base/files/file_path.h
index 734c402..5695767 100644
--- a/base/files/file_path.h
+++ b/base/files/file_path.h
@@ -246,7 +246,7 @@
   // TODO(davidben): Check all our extension-sensitive code to see if
   // we can rename this to Extension() and the other to something like
   // LongExtension(), defaulting to short extensions and leaving the
-  // long "extensions" to logic like file_util::GetUniquePathNumber().
+  // long "extensions" to logic like base::GetUniquePathNumber().
   StringType FinalExtension() const;
 
   // Returns "C:\pics\jojo" for path "C:\pics\jojo.jpg"