Move AppWindow to extensions

chrome/browser/app_controller_mac_browsertest.mm

Index: chrome/browser/app_controller_mac_browsertest.mm
diff --git a/chrome/browser/app_controller_mac_browsertest.mm b/chrome/browser/app_controller_mac_browsertest.mm
index 37fe938f11f1f39b9a0f8c054a16d822f33e9b1c..0d0aba434fd6c960ae4f2da0467b591733aa5ca9 100644
--- a/chrome/browser/app_controller_mac_browsertest.mm
+++ b/chrome/browser/app_controller_mac_browsertest.mm
@@ -9,7 +9,6 @@
 #import <objc/message.h>
 #import <objc/runtime.h>
 
-#include "apps/app_window_registry.h"
 #include "base/command_line.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
@@ -34,6 +33,7 @@
 #include "chrome/test/base/ui_test_utils.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "content/public/browser/web_contents.h"
+#include "extensions/browser/app_window/app_window_registry.h"
 #include "extensions/common/extension.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 
@@ -124,7 +124,7 @@ IN_PROC_BROWSER_TEST_F(AppControllerPlatformAppBrowserTest,
       InstallAndLaunchPlatformApp("minimal");
   ASSERT_TRUE(listener.WaitUntilSatisfied());
 
-  NSWindow* app_window = apps::AppWindowRegistry::Get(profile())
+  NSWindow* app_window = extensions::AppWindowRegistry::Get(profile())
                              ->GetAppWindowsForApp(app->id())
                              .front()
                              ->GetNativeWindow();