Revert "Move ViewDisplayList to GraphicsLayer"

Source/platform/graphics/paint/ClipDisplayItem.cpp

Index: Source/platform/graphics/paint/ClipDisplayItem.cpp
diff --git a/Source/platform/graphics/paint/ClipDisplayItem.cpp b/Source/platform/graphics/paint/ClipDisplayItem.cpp
deleted file mode 100644
index 6fb17807e84c014401196a78faf44ba83e4f8983..0000000000000000000000000000000000000000
--- a/Source/platform/graphics/paint/ClipDisplayItem.cpp
+++ /dev/null
@@ -1,35 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "config.h"
-#include "platform/graphics/paint/ClipDisplayItem.h"
-
-#include "platform/geometry/RoundedRect.h"
-#include "platform/graphics/GraphicsContext.h"
-
-namespace blink {
-
-void ClipDisplayItem::replay(GraphicsContext* context)
-{
-    context->save();
-    context->clip(m_clipRect);
-    for (RoundedRect roundedRect : m_roundedRectClips)
-        context->clipRoundedRect(roundedRect);
-}
-
-void EndClipDisplayItem::replay(GraphicsContext* context)
-{
-    context->restore();
-}
-
-#ifndef NDEBUG
-WTF::String ClipDisplayItem::asDebugString() const
-{
-    return String::format("{%s, type: \"%s\", clipRect: [%d,%d,%d,%d]}",
-        clientDebugString().utf8().data(), typeAsDebugString(type()).utf8().data(),
-        m_clipRect.x(), m_clipRect.y(), m_clipRect.width(), m_clipRect.height());
-}
-#endif
-
-} // namespace blink