Move ShellWindow into apps component.

chrome/browser/extensions/platform_app_browsertest.cc

Index: chrome/browser/extensions/platform_app_browsertest.cc
diff --git a/chrome/browser/extensions/platform_app_browsertest.cc b/chrome/browser/extensions/platform_app_browsertest.cc
index 03b046cdc7814b4fc4a2659d3895179c050e2d04..28168bbb9c799a62f517ff005b78031bb387bdcd 100644
--- a/chrome/browser/extensions/platform_app_browsertest.cc
+++ b/chrome/browser/extensions/platform_app_browsertest.cc
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "apps/shell_window.h"
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ -29,7 +30,6 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/extensions/native_app_window.h"
-#include "chrome/browser/ui/extensions/shell_window.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
@@ -45,6 +45,7 @@
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "googleurl/src/gurl.h"
 
+using apps::ShellWindow;
 using content::WebContents;
 using web_modal::WebContentsModalDialogManager;