Delete selection paint invalidation code.

sky/engine/core/rendering/RenderBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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 681 matching lines @@
 
     if (view() && view()->selectionStart()) {
         Node* startElement = view()->selectionStart()->node();
         if (startElement && startElement->rootEditableElement() == node())
             return true;
     }
 
     return false;
 }
 
-LayoutRect RenderBlock::selectionRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, bool)
-{
-    ASSERT(!needsLayout());
-
-    if (!shouldPaintSelectionGaps())
-        return GapRects();
-
-    TransformState transformState(TransformState::ApplyTransformDirection, FloatPoint());
-    mapLocalToContainer(paintInvalidationContainer, transformState, ApplyContainerFlip | UseTransforms);
-    LayoutPoint offsetFromPaintInvalidationContainer = roundedLayoutPoint(transformState.mappedPoint());
-
-    if (hasOverflowClip())
-        offsetFromPaintInvalidationContainer -= scrolledContentOffset();
-
-    LayoutUnit lastTop = 0;
-    LayoutUnit lastLeft = logicalLeftSelectionOffset(this, lastTop);
-    LayoutUnit lastRight = logicalRightSelectionOffset(this, lastTop);
-
-    return selectionGaps(this, offsetFromPaintInvalidationContainer, IntSize(), lastTop, lastLeft, lastRight);
-}
-
 void RenderBlock::paintSelection(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     if (shouldPaintSelectionGaps() && paintInfo.phase == PaintPhaseForeground) {
         LayoutUnit lastTop = 0;
         LayoutUnit lastLeft = logicalLeftSelectionOffset(this, lastTop);
         LayoutUnit lastRight = logicalRightSelectionOffset(this, lastTop);
         GraphicsContextStateSaver stateSaver(*paintInfo.context);
 
         // TODO(ojan): In sky, we don't use the return value, but we
         // need this in order to actually paint selection gaps.
@@ skipping 1236 matching lines @@
 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const RenderObject* obj) const
 {
     showRenderObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace blink