Remove chrome.windows.* support for platform apps.

chrome/browser/ui/extensions/shell_window.h

Index: chrome/browser/ui/extensions/shell_window.h
diff --git a/chrome/browser/ui/extensions/shell_window.h b/chrome/browser/ui/extensions/shell_window.h
index edb7109db8a5cde7f528005fe48d17a2b8ba4d5f..70cfffb2b7205759abfa5065997960b123031884 100644
--- a/chrome/browser/ui/extensions/shell_window.h
+++ b/chrome/browser/ui/extensions/shell_window.h
@@ -59,9 +59,6 @@ class ShellWindow : public content::NotificationObserver,
                              const CreateParams params);
 
   const SessionID& session_id() const { return session_id_; }
-  const ExtensionWindowController* extension_window_controller() const {
-    return extension_window_controller_.get();
-  }
   const extensions::Extension* extension() const { return extension_; }
   content::WebContents* web_contents() const { return web_contents_; }
 
@@ -128,7 +125,6 @@ class ShellWindow : public content::NotificationObserver,
   // web_contents_ is owned by contents_wrapper_.
   content::WebContents* web_contents_;
   content::NotificationRegistrar registrar_;
-  scoped_ptr<ExtensionWindowController> extension_window_controller_;
   ExtensionFunctionDispatcher extension_function_dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellWindow);