Revert "Absolutely positioned elements with 'left' and 'right defined, but no width, now correctly resize the element, as per section 10.3.7 of the CSS 2.1 spec."

This reverts commit 04e7b63f13648ce376e041472604a4b647a2d862.

Source/Core/LayoutEngine.cpp

@@ -465,7 +465,6 @@ void LayoutEngine::BuildBoxWidth(Box& box, Element* element, float containing_bl
 	// Determine if the element has an automatic width, and if not calculate it.
 	bool width_auto;
 	int display_property = element->GetProperty< int >(DISPLAY);
-
 	if (display_property == DISPLAY_INLINE_BLOCK)
 	{
 		width_auto = false;
@@ -530,30 +529,6 @@ void LayoutEngine::BuildBoxWidth(Box& box, Element* element, float containing_bl
 			box.SetEdge(Box::MARGIN, Box::RIGHT, margin);
 	}
 
-	// In the case we're an absolutely positioned element, we need to check our width.
-	int position_property = element->GetProperty< int >(POSITION);
-	if (display_property == DISPLAY_BLOCK && (position_property == POSITION_ABSOLUTE || position_property == POSITION_FIXED))
-	{
-		if (width_auto)
-		{
-			const Property* leftProp = element->GetLocalProperty(LEFT);
-			const Property* rightProp = element->GetLocalProperty(RIGHT);
-
-			// Check for left and right properties both being defined.
-			if ((leftProp != NULL) && (rightProp != NULL))
-			{
-				content_area.x = containing_block_width - (box.GetCumulativeEdge(Box::CONTENT, Box::LEFT)
-					   + box.GetCumulativeEdge(Box::CONTENT, Box::RIGHT)
-					   + leftProp->Get<float>() + rightProp->Get<float>());
-				content_area.x = Math::Max(0.0f, content_area.x);
-			}
-		}
-		else
-		{
-			// For now, we're ignoring the over-constrained situation
-		}
-	}
-
 	// Clamp the calculated width; if the width is changed by the clamp, then the margins need to be recalculated if
 	// they were set to auto.
 	float clamped_width = ClampWidth(content_area.x, element, containing_block_width);