Move ShellWindow into apps component.

chrome/browser/ui/cocoa/extensions/native_app_window_cocoa.h

Index: chrome/browser/ui/cocoa/extensions/native_app_window_cocoa.h
diff --git a/chrome/browser/ui/cocoa/extensions/native_app_window_cocoa.h b/chrome/browser/ui/cocoa/extensions/native_app_window_cocoa.h
index e32534e9d1b8f4a3d3d92a633d1738ed90fb7545..795dd6b0efad17bd68473304ecea6d1f7605e4fe 100644
--- a/chrome/browser/ui/cocoa/extensions/native_app_window_cocoa.h
+++ b/chrome/browser/ui/cocoa/extensions/native_app_window_cocoa.h
@@ -8,11 +8,11 @@
 #import <Cocoa/Cocoa.h>
 #include <vector>
 
+#include "apps/shell_window.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #import "chrome/browser/ui/cocoa/browser_command_executor.h"
 #include "chrome/browser/ui/extensions/native_app_window.h"
-#include "chrome/browser/ui/extensions/shell_window.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/common/draggable_region.h"
 #include "ui/gfx/rect.h"
@@ -43,8 +43,8 @@ class SkRegion;
 // Cocoa bridge to AppWindow.
 class NativeAppWindowCocoa : public NativeAppWindow {
  public:
-  NativeAppWindowCocoa(ShellWindow* shell_window,
-                       const ShellWindow::CreateParams& params);
+  NativeAppWindowCocoa(apps::ShellWindow* shell_window,
+                       const apps::ShellWindow::CreateParams& params);
 
   // ui::BaseWindow implementation.
   virtual bool IsActive() const OVERRIDE;
@@ -147,7 +147,7 @@ class NativeAppWindowCocoa : public NativeAppWindow {
   void UpdateDraggableRegionsForCustomDrag(
       const std::vector<extensions::DraggableRegion>& regions);
 
-  ShellWindow* shell_window_; // weak - ShellWindow owns NativeAppWindow.
+  apps::ShellWindow* shell_window_; // weak - ShellWindow owns NativeAppWindow.
 
   bool has_frame_;