Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/apps/app_info_dialog_gtk.cc

Index: chrome/browser/ui/gtk/apps/app_info_dialog_gtk.cc
diff --git a/chrome/browser/ui/gtk/apps/app_info_dialog_gtk.cc b/chrome/browser/ui/gtk/apps/app_info_dialog_gtk.cc
deleted file mode 100644
index 689ebef050afdd4d18baca260e0ac645f514d0f5..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/gtk/apps/app_info_dialog_gtk.cc
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2014 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 "chrome/browser/ui/apps/app_info_dialog.h"
-
-void ShowAppInfoDialog(gfx::NativeWindow parent_window,
-                       Profile* profile,
-                       const extensions::Extension* app,
-                       const base::Closure& close_callback) {
-  NOTIMPLEMENTED();
-}