Move native_app_window code to apps areas

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

Index: chrome/browser/ui/gtk/apps/native_app_window_gtk.cc
diff --git a/chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc b/chrome/browser/ui/gtk/apps/native_app_window_gtk.cc
similarity index 98%
rename from chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc
rename to chrome/browser/ui/gtk/apps/native_app_window_gtk.cc
index 41548348631785edfc6cae66b59ef5669edf26ad..8289cac0552fb76b581b0c3bd9c12ce78337ef3a 100644
--- a/chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc
+++ b/chrome/browser/ui/gtk/apps/native_app_window_gtk.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/ui/gtk/extensions/native_app_window_gtk.h"
+#include "chrome/browser/ui/gtk/apps/native_app_window_gtk.h"
 
 #include <gdk/gdkx.h>
 #include <vector>
@@ -620,10 +620,3 @@ void NativeAppWindowGtk::UpdateDraggableRegions(
 
   draggable_region_.reset(ShellWindow::RawDraggableRegionsToSkRegion(regions));
 }
-
-// static
-NativeAppWindow* NativeAppWindow::Create(
-    ShellWindow* shell_window,
-    const ShellWindow::CreateParams& params) {
-  return new NativeAppWindowGtk(shell_window, params);
-}