Remove the Pagination struct, clean up viewport scroll policy propagation.

Source/core/rendering/Pagination.cpp

Index: Source/core/rendering/Pagination.cpp
diff --git a/Source/core/rendering/Pagination.cpp b/Source/core/rendering/Pagination.cpp
deleted file mode 100644
index 26822b03988aad3f1aaa8316ae0f41106efc636a..0000000000000000000000000000000000000000
--- a/Source/core/rendering/Pagination.cpp
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright (C) 2013 Google 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,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "config.h"
-#include "core/rendering/Pagination.h"
-
-#include "core/rendering/style/RenderStyle.h"
-
-namespace WebCore {
-
-void Pagination::setStylesForPaginationMode(Mode paginationMode, RenderStyle* style)
-{
-    if (paginationMode == Unpaginated)
-        return;
-
-    switch (paginationMode) {
-    case LeftToRightPaginated:
-        style->setColumnAxis(HorizontalColumnAxis);
-        if (style->isHorizontalWritingMode())
-            style->setColumnProgression(style->isLeftToRightDirection() ? NormalColumnProgression : ReverseColumnProgression);
-        else
-            style->setColumnProgression(style->isFlippedBlocksWritingMode() ? ReverseColumnProgression : NormalColumnProgression);
-        break;
-    case RightToLeftPaginated:
-        style->setColumnAxis(HorizontalColumnAxis);
-        if (style->isHorizontalWritingMode())
-            style->setColumnProgression(style->isLeftToRightDirection() ? ReverseColumnProgression : NormalColumnProgression);
-        else
-            style->setColumnProgression(style->isFlippedBlocksWritingMode() ? NormalColumnProgression : ReverseColumnProgression);
-        break;
-    case TopToBottomPaginated:
-        style->setColumnAxis(VerticalColumnAxis);
-        if (style->isHorizontalWritingMode())
-            style->setColumnProgression(style->isFlippedBlocksWritingMode() ? ReverseColumnProgression : NormalColumnProgression);
-        else
-            style->setColumnProgression(style->isLeftToRightDirection() ? NormalColumnProgression : ReverseColumnProgression);
-        break;
-    case BottomToTopPaginated:
-        style->setColumnAxis(VerticalColumnAxis);
-        if (style->isHorizontalWritingMode())
-            style->setColumnProgression(style->isFlippedBlocksWritingMode() ? NormalColumnProgression : ReverseColumnProgression);
-        else
-            style->setColumnProgression(style->isLeftToRightDirection() ? ReverseColumnProgression : NormalColumnProgression);
-        break;
-    case Unpaginated:
-        ASSERT_NOT_REACHED();
-        break;
-    }
-}
-
-} // namespace WebCore