Don't access DisplayItemClient::VisualRect() for cached display items.

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"
 
 namespace blink {
 
 void ClipDisplayItem::Replay(GraphicsContext& context) const {
   context.Save();
 
   // RoundedInnerRectClipper only cares about rounded-rect clips,
   // and passes an "infinite" rect clip; there is no reason to apply this clip.
   // TODO(fmalita): convert RoundedInnerRectClipper to a better suited
   //   DisplayItem so we don't have to special-case its semantics.
   if (clip_rect_ != LayoutRect::InfiniteIntRect())
     context.ClipRect(clip_rect_, kAntiAliased);
 
   for (const FloatRoundedRect& rounded_rect : rounded_rect_clips_)
     context.ClipRoundedRect(rounded_rect);
 }
 
 void ClipDisplayItem::AppendToWebDisplayItemList(
-    const IntRect& visual_rect,
+    const LayoutSize&,
     WebDisplayItemList* list) const {
   WebVector<SkRRect> web_rounded_rects(rounded_rect_clips_.size());
   for (size_t i = 0; i < rounded_rect_clips_.size(); ++i)
     web_rounded_rects[i] = rounded_rect_clips_[i];
 
   list->AppendClipItem(clip_rect_, web_rounded_rects);
 }
 
 void EndClipDisplayItem::Replay(GraphicsContext& context) const {
   context.Restore();
 }
 
 void EndClipDisplayItem::AppendToWebDisplayItemList(
-    const IntRect& visual_rect,
+    const LayoutSize&,
     WebDisplayItemList* list) const {
   list->AppendEndClipItem();
 }
 
 #ifndef NDEBUG
 void ClipDisplayItem::DumpPropertiesAsDebugString(
     WTF::StringBuilder& string_builder) const {
   DisplayItem::DumpPropertiesAsDebugString(string_builder);
   string_builder.Append(WTF::String::Format(
       ", clipRect: [%d,%d,%d,%d]", clip_rect_.X(), clip_rect_.Y(),
       clip_rect_.Width(), clip_rect_.Height()));
 }
 #endif
 
 }  // namespace blink