Revert 215753 "Move native_app_window code to apps areas"

trunk/src/chrome/browser/ui/apps/chrome_shell_window_delegate.cc

Index: trunk/src/chrome/browser/ui/apps/chrome_shell_window_delegate.cc
===================================================================
--- trunk/src/chrome/browser/ui/apps/chrome_shell_window_delegate.cc	(revision 215780)
+++ trunk/src/chrome/browser/ui/apps/chrome_shell_window_delegate.cc	(working copy)
@@ -25,6 +25,8 @@
 #include "ash/launcher/launcher_types.h"
 #endif
 
+namespace chrome {
+
 namespace {
 
 bool disable_external_open_for_testing_ = false;
@@ -63,12 +65,6 @@
 #endif
 }
 
-apps::NativeAppWindow* ChromeShellWindowDelegate::CreateNativeAppWindow(
-    apps::ShellWindow* window,
-    const apps::ShellWindow::CreateParams& params) {
-  return CreateNativeAppWindowImpl(window, params);
-}
-
 content::WebContents* ChromeShellWindowDelegate::OpenURLFromTab(
     Profile* profile,
     content::WebContents* source,
@@ -152,3 +148,5 @@
     content::WebContents* web_contents) {
   return platform_util::IsVisible(web_contents->GetView()->GetNativeView());
 }
+
+}  // namespace chrome