Move AppWindow to extensions

extensions/browser/app_window/app_window_interactive_uitest.cc

Index: extensions/browser/app_window/app_window_interactive_uitest.cc
diff --git a/apps/app_window_interactive_uitest.cc b/extensions/browser/app_window/app_window_interactive_uitest.cc
similarity index 98%
rename from apps/app_window_interactive_uitest.cc
rename to extensions/browser/app_window/app_window_interactive_uitest.cc
index 665d465663f78ce3185a7c5b35a84ee4d724629d..8de07abd643451511138c4c8717be6d348c88e02 100644
--- a/apps/app_window_interactive_uitest.cc
+++ b/extensions/browser/app_window/app_window_interactive_uitest.cc
@@ -5,10 +5,7 @@
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "extensions/browser/app_window/native_app_window.h"
 
-using extensions::PlatformAppBrowserTest;
-using extensions::Extension;
-
-namespace apps {
+namespace extensions {
 
 namespace {
 
@@ -187,4 +184,4 @@ IN_PROC_BROWSER_TEST_F(AppWindowTest, MAYBE_DisableAlwaysOnTopInFullscreen) {
   CloseAppWindow(window);
 }
 
-}  // namespace apps
+}  // namespace extensions