Remove FlowThreadController and relateds.

Source/core/rendering/LayoutState.cpp

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/rendering/LayoutState.h"
 
+#include "core/rendering/RenderFlowThread.h"
 #include "core/rendering/RenderInline.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderView.h"
 #include "platform/Partitions.h"
 
 namespace blink {
 
 LayoutState::LayoutState(LayoutUnit pageLogicalHeight, bool pageLogicalHeightChanged, RenderView& view)
     : m_isPaginated(pageLogicalHeight)
     , m_pageLogicalHeightChanged(pageLogicalHeightChanged)
     , m_containingBlockLogicalWidthChanged(false)
+    , m_flowThread(0)
     , m_columnInfo(0)
     , m_next(0)
     , m_pageLogicalHeight(pageLogicalHeight)
     , m_renderer(view)
 {
     ASSERT(!view.layoutState());
     view.pushLayoutState(*this);
 }
 
 LayoutState::LayoutState(RenderBox& renderer, const LayoutSize& offset, LayoutUnit pageLogicalHeight, bool pageLogicalHeightChanged, ColumnInfo* columnInfo, bool containingBlockLogicalWidthChanged)
     : m_containingBlockLogicalWidthChanged(containingBlockLogicalWidthChanged)
     , m_columnInfo(columnInfo)
     , m_next(renderer.view()->layoutState())
     , m_renderer(renderer)
 {
+    m_flowThread = renderer.isRenderFlowThread() ? toRenderFlowThread(&renderer) : m_next->flowThread();
     renderer.view()->pushLayoutState(*this);
     bool fixed = renderer.isOutOfFlowPositioned() && renderer.style()->position() == FixedPosition;
     if (fixed) {
         // FIXME: This doesn't work correctly with transforms.
         FloatPoint fixedOffset = renderer.view()->localToAbsolute(FloatPoint(), IsFixed);
         m_layoutOffset = LayoutSize(fixedOffset.x(), fixedOffset.y()) + offset;
     } else {
         m_layoutOffset = m_next->m_layoutOffset + offset;
     }
 
@@ skipping 31 matching lines @@
     if (!m_columnInfo)
         m_columnInfo = m_next->m_columnInfo;
 
     // FIXME: <http://bugs.webkit.org/show_bug.cgi?id=13443> Apply control clip if present.
 }
 
 LayoutState::LayoutState(RenderObject& root)
     : m_isPaginated(false)
     , m_pageLogicalHeightChanged(false)
     , m_containingBlockLogicalWidthChanged(false)
+    , m_flowThread(0)
     , m_columnInfo(0)
     , m_next(root.view()->layoutState())
     , m_pageLogicalHeight(0)
     , m_renderer(root)
 {
     // FIXME: Why does RenderTableSection create this wonky LayoutState?
     ASSERT(!m_next || root.isTableSection());
     // We'll end up pushing in RenderView itself, so don't bother adding it.
     if (root.isRenderView())
         return;
@@ skipping 28 matching lines @@
 }
 
 void LayoutState::addForcedColumnBreak(const RenderBox& child, const LayoutUnit& childLogicalOffset)
 {
     if (!m_columnInfo || m_columnInfo->columnHeight())
         return;
     m_columnInfo->addForcedBreak(pageLogicalOffset(child, childLogicalOffset));
 }
 
 } // namespace blink