Merge apps/pref* to extensions/browser/pref*

apps/pref_names.cc

Index: apps/pref_names.cc
diff --git a/apps/pref_names.cc b/apps/pref_names.cc
deleted file mode 100644
index ea08c76ba4ad271e4bd51491c4737c93cf49956e..0000000000000000000000000000000000000000
--- a/apps/pref_names.cc
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "apps/pref_names.h"
-
-namespace apps {
-
-namespace prefs {
-
-// A boolean that tracks whether apps are allowed to enter fullscreen mode.
-extern const char kAppFullscreenAllowed[] =
-    "apps.fullscreen.allowed";
-
-}  // namespace prefs
-
-}  // namespace apps