Move ShellWindow into apps component.

chrome/browser/ui/ash/launcher/shell_window_launcher_controller.h

Index: chrome/browser/ui/ash/launcher/shell_window_launcher_controller.h
diff --git a/chrome/browser/ui/ash/launcher/shell_window_launcher_controller.h b/chrome/browser/ui/ash/launcher/shell_window_launcher_controller.h
index 9c279f6a17035b6380d1e0b1a9a65a927cc6fdf7..c47c3570b3e120fb4a261c5d2779659ef41b034e 100644
--- a/chrome/browser/ui/ash/launcher/shell_window_launcher_controller.h
+++ b/chrome/browser/ui/ash/launcher/shell_window_launcher_controller.h
@@ -13,6 +13,10 @@
 #include "ui/aura/client/activation_change_observer.h"
 #include "ui/aura/window_observer.h"
 
+namespace apps {
+class ShellWindow;
+}
+
 namespace aura {
 
 class Window;
@@ -24,7 +28,6 @@ class ActivationClient;
 }
 
 class ChromeLauncherController;
-class ShellWindow;
 class ShellWindowLauncherItemController;
 
 // ShellWindowLauncherController observes the Shell Window registry and the
@@ -39,9 +42,10 @@ class ShellWindowLauncherController
   virtual ~ShellWindowLauncherController();
 
   // Overridden from ShellWindowRegistry::Observer:
-  virtual void OnShellWindowAdded(ShellWindow* shell_window) OVERRIDE;
-  virtual void OnShellWindowIconChanged(ShellWindow* shell_window) OVERRIDE;
-  virtual void OnShellWindowRemoved(ShellWindow* shell_window) OVERRIDE;
+  virtual void OnShellWindowAdded(apps::ShellWindow* shell_window) OVERRIDE;
+  virtual void OnShellWindowIconChanged(
+      apps::ShellWindow* shell_window) OVERRIDE;
+  virtual void OnShellWindowRemoved(apps::ShellWindow* shell_window) OVERRIDE;
 
   // Overriden from aura::WindowObserver:
   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;