Move file_path.h to base/files.

TBR=sky

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@184344 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/extensions/extension_nacl_browsertest.cc b/chrome/browser/extensions/extension_nacl_browsertest.cc
index 1640c84f..ce134016 100644
--- a/chrome/browser/extensions/extension_nacl_browsertest.cc
+++ b/chrome/browser/extensions/extension_nacl_browsertest.cc
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 #include "base/command_line.h"
-#include "base/file_path.h"
+#include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_service.h"
 #include "base/utf_string_conversions.h"