Avoid RenderObject::paintInvalidationForWholeRenderer() if possible

Source/core/rendering/RenderTextControlSingleLine.cpp

 /**
  * Copyright (C) 2006, 2007, 2010 Apple Inc. All rights reserved.
  *           (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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
  * version 2 of the License, or (at your option) any later version.
@@ skipping 239 matching lines @@
     // 2) The frame is active
     // 3) The element is focused
     // 4) The caps lock is on
     bool shouldDrawCapsLockIndicator = false;
 
     if (LocalFrame* frame = document().frame())
         shouldDrawCapsLockIndicator = inputElement()->isPasswordField() && frame->selection().isFocusedAndActive() && document().focusedElement() == node() && PlatformKeyboardEvent::currentCapsLockState();
 
     if (shouldDrawCapsLockIndicator != m_shouldDrawCapsLockIndicator) {
         m_shouldDrawCapsLockIndicator = shouldDrawCapsLockIndicator;
-        paintInvalidationForWholeRenderer();
+        setShouldDoFullPaintInvalidation(true);
     }
 }
 
 bool RenderTextControlSingleLine::hasControlClip() const
 {
     // Apply control clip for text fields with decorations.
     return !!containerElement();
 }
 
 LayoutRect RenderTextControlSingleLine::controlClipRect(const LayoutPoint& additionalOffset) const
@@ skipping 140 matching lines @@
     if (innerEditorElement())
         innerEditorElement()->setScrollTop(newTop);
 }
 
 HTMLInputElement* RenderTextControlSingleLine::inputElement() const
 {
     return toHTMLInputElement(node());
 }
 
 }