Add/remove spell checking markers in text inputs depending on focus.

Source/core/html/HTMLInputElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 258 matching lines @@
     unsigned height() const;
     unsigned width() const;
     void setHeight(unsigned);
     void setWidth(unsigned);
 
     virtual void blur() OVERRIDE;
     void defaultBlur();
 
     virtual const AtomicString& name() const OVERRIDE;
 
+    void beginEditing();
     void endEditing();
 
     static Vector<FileChooserFileInfo> filesFromFileInputFormControlState(const FormControlState&);
 
     virtual bool matchesReadOnlyPseudoClass() const OVERRIDE;
     virtual bool matchesReadWritePseudoClass() const OVERRIDE;
     virtual void setRangeText(const String& replacement, ExceptionCode&) OVERRIDE;
     virtual void setRangeText(const String& replacement, unsigned start, unsigned end, const String& selectionMode, ExceptionCode&) OVERRIDE;
 
     bool hasImageLoader() const { return m_imageLoader; }
@@ skipping 138 matching lines @@
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(HTMLNames::inputTag));
     return static_cast<const HTMLInputElement*>(node);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toHTMLElement(const HTMLElement*);
 
 
 } //namespace
 #endif