cros: Fixes the text input focus when screen is locked.

chrome/browser/chromeos/login/ui/lock_window.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOCK_WINDOW_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOCK_WINDOW_H_
 
 #include "base/basictypes.h"
 
 namespace views {
+class View;
 class Widget;
 }
 
 namespace chromeos {
 
 // This is the interface which lock windows used for the WebUI screen locker
 // implement.
 class LockWindow {
  public:
   // This class provides an interface for the lock window to notify an observer
@@ skipping 12 matching lines @@
   virtual void Grab() = 0;
 
   // Returns the actual widget for the lock window.
   virtual views::Widget* GetWidget() = 0;
 
   // Sets the observer class which is notified on lock window events.
   void set_observer(Observer* observer) {
     observer_ = observer;
   }
 
+  // Sets the view which should be initially focused.
+  void set_initially_focused_view(views::View* view) {
+    initially_focused_view_ = view;
+  }
+
   // Creates an instance of the platform specific lock window.
   static LockWindow* Create();
 
  protected:
   // The observer's OnLockWindowReady method will be called when the lock
   // window has finished all initialization.
   Observer* observer_;
 
+  // The view which should be initially focused.
+  views::View* initially_focused_view_;
+
+ private:
   DISALLOW_COPY_AND_ASSIGN(LockWindow);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOCK_WINDOW_H_