Allow assertions to be enabled in Blink Release builds.

Source/core/rendering/RenderView.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 154 matching lines @@
 
 void RenderView::layoutContent()
 {
     ASSERT(needsLayout());
 
     RenderBlockFlow::layout();
 
     if (RuntimeEnabledFeatures::dialogElementEnabled())
         positionDialogs();
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
     checkLayoutState();
 #endif
 }
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
 void RenderView::checkLayoutState()
 {
     ASSERT(!m_layoutState->next());
 }
 #endif
 
 bool RenderView::shouldDoFullRepaintForNextLayout() const
 {
     // It's hard to predict here which of full repaint or per-descendant repaint costs less.
     // For vertical writing mode or width change it's more likely that per-descendant repaint
@@ skipping 56 matching lines @@
     ASSERT(!m_layoutState);
     if (!needsLayout())
         return;
 
     LayoutState rootLayoutState(pageLogicalHeight(), pageLogicalHeightChanged(), *this);
 
     m_pageLogicalHeightChanged = false;
 
     layoutContent();
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
     checkLayoutState();
 #endif
     clearNeedsLayout();
 }
 
 void RenderView::mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState& transformState, MapCoordinatesFlags mode, bool* wasFixed, const PaintInvalidationState* paintInvalidationState) const
 {
     ASSERT_UNUSED(wasFixed, !wasFixed || *wasFixed == static_cast<bool>(mode & IsFixed));
 
     if (!repaintContainer && mode & UseTransforms && shouldUseTransformFromContainer(0)) {
@@ skipping 725 matching lines @@
     return viewWidth(IncludeScrollbars) / scale;
 }
 
 double RenderView::layoutViewportHeight() const
 {
     float scale = m_frameView ? m_frameView->frame().pageZoomFactor() : 1;
     return viewHeight(IncludeScrollbars) / scale;
 }
 
 } // namespace WebCore