Move visual rect unioning between paired items to cc::DisplayItemList.

third_party/WebKit/Source/platform/graphics/paint/ClipDisplayItem.cpp

 // 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 "platform/graphics/paint/ClipDisplayItem.h"
 
 #include "platform/geometry/FloatRoundedRect.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "public/platform/WebDisplayItemList.h"
 #include "third_party/skia/include/core/SkScalar.h"
@@ skipping 14 matching lines @@
     for (const FloatRoundedRect& roundedRect : m_roundedRectClips)
         context.clipRoundedRect(roundedRect);
 }
 
 void ClipDisplayItem::appendToWebDisplayItemList(const IntRect& visualRect, WebDisplayItemList* list) const
 {
     WebVector<SkRRect> webRoundedRects(m_roundedRectClips.size());
     for (size_t i = 0; i < m_roundedRectClips.size(); ++i)
         webRoundedRects[i] = m_roundedRectClips[i];
 
-    list->appendClipItem(visualRect, m_clipRect, webRoundedRects);
+    list->appendClipItem(m_clipRect, webRoundedRects);
 }
 
 void EndClipDisplayItem::replay(GraphicsContext& context) const
 {
     context.restore();
 }
 
 void EndClipDisplayItem::appendToWebDisplayItemList(const IntRect& visualRect, WebDisplayItemList* list) const
 {
-    list->appendEndClipItem(visualRect);
+    list->appendEndClipItem();
 }
 
 #ifndef NDEBUG
 void ClipDisplayItem::dumpPropertiesAsDebugString(WTF::StringBuilder& stringBuilder) const
 {
     DisplayItem::dumpPropertiesAsDebugString(stringBuilder);
     stringBuilder.append(WTF::String::format(", clipRect: [%d,%d,%d,%d]",
         m_clipRect.x(), m_clipRect.y(), m_clipRect.width(), m_clipRect.height()));
 }
 #endif
 
 } // namespace blink