Have RenderBlockFlow sub-classes' methods call their super-class method properly.

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 183 matching lines @@
         if (innerTextRenderer)
             textOffset = innerTextRenderer->location();
         if (editingViewPortElement() && editingViewPortElement()->renderBox())
             textOffset += toLayoutSize(editingViewPortElement()->renderBox()->location());
         if (containerRenderer)
             textOffset += toLayoutSize(containerRenderer->location());
         placeholderBox->setLocation(textOffset);
 
         if (!placeholderBoxHadLayout && placeholderBox->checkForRepaintDuringLayout()) {
             // This assumes a shadow tree without floats. If floats are added, the
-            // logic should be shared with RenderBlock::layoutBlockChild.
+            // logic should be shared with RenderBlockFlow::layoutBlockChild.
             placeholderBox->repaint();
         }
         // The placeholder gets layout last, after the parent text control and its other children,
         // so in order to get the correct overflow from the placeholder we need to recompute it now.
         if (neededLayout)
             computeOverflow(clientLogicalBottom());
     }
 }
 
 bool RenderTextControlSingleLine::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
@@ skipping 178 matching lines @@
     if (!renderer)
         return;
 
     renderer->autoscroll(position);
 }
 
 int RenderTextControlSingleLine::scrollWidth() const
 {
     if (innerTextElement())
         return innerTextElement()->scrollWidth();
-    return RenderBlock::scrollWidth();
+    return RenderBlockFlow::scrollWidth();
 }
 
 int RenderTextControlSingleLine::scrollHeight() const
 {
     if (innerTextElement())
         return innerTextElement()->scrollHeight();
-    return RenderBlock::scrollHeight();
+    return RenderBlockFlow::scrollHeight();
 }
 
 int RenderTextControlSingleLine::scrollLeft() const
 {
     if (innerTextElement())
         return innerTextElement()->scrollLeft();
-    return RenderBlock::scrollLeft();
+    return RenderBlockFlow::scrollLeft();
 }
 
 int RenderTextControlSingleLine::scrollTop() const
 {
     if (innerTextElement())
         return innerTextElement()->scrollTop();
-    return RenderBlock::scrollTop();
+    return RenderBlockFlow::scrollTop();
 }
 
 void RenderTextControlSingleLine::setScrollLeft(int newLeft)
 {
     if (innerTextElement())
         innerTextElement()->setScrollLeft(newLeft);
 }
 
 void RenderTextControlSingleLine::setScrollTop(int newTop)
 {
     if (innerTextElement())
         innerTextElement()->setScrollTop(newTop);
 }
 
 HTMLInputElement* RenderTextControlSingleLine::inputElement() const
 {
     return toHTMLInputElement(node());
 }
 
 }