Move apps/shell to extensions/shell.

extensions/shell/browser/shell_app_window_controller.h

Index: extensions/shell/browser/shell_app_window_controller.h
diff --git a/apps/shell/browser/shell_app_window_controller.h b/extensions/shell/browser/shell_app_window_controller.h
similarity index 71%
rename from apps/shell/browser/shell_app_window_controller.h
rename to extensions/shell/browser/shell_app_window_controller.h
index 13dd98209793982adf20b48ea1f40316448cb917..f8a7fa0bdb79ded9b5152ed430870140162a48e7 100644
--- a/apps/shell/browser/shell_app_window_controller.h
+++ b/extensions/shell/browser/shell_app_window_controller.h
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef APPS_SHELL_BROWSER_SHELL_APP_WINDOW_CONTROLLER_H_
-#define APPS_SHELL_BROWSER_SHELL_APP_WINDOW_CONTROLLER_H_
+#ifndef EXTENSIONS_SHELL_BROWSER_SHELL_APP_WINDOW_CONTROLLER_H_
+#define EXTENSIONS_SHELL_BROWSER_SHELL_APP_WINDOW_CONTROLLER_H_
 
 namespace content {
 class BrowserContext;
 }
 
-namespace apps {
+namespace extensions {
 
 class ShellAppWindow;
 
@@ -25,6 +25,6 @@ class ShellAppWindowController {
   virtual void CloseAppWindows() = 0;
 };
 
-}  // namespace apps
+}  // namespace extensions
 
-#endif  // APPS_SHELL_BROWSER_SHELL_APP_WINDOW_CONTROLLER_H_
+#endif  // EXTENSIONS_SHELL_BROWSER_SHELL_APP_WINDOW_CONTROLLER_H_