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

third_party/WebKit/Source/platform/graphics/paint/FloatClipDisplayItem.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/FloatClipDisplayItem.h"
 
 #include "platform/graphics/GraphicsContext.h"
 #include "public/platform/WebDisplayItemList.h"
 #include "third_party/skia/include/core/SkScalar.h"
 
 namespace blink {
 
 void FloatClipDisplayItem::Replay(GraphicsContext& context) const {
   context.Save();
   context.Clip(clip_rect_);
 }
 
 void FloatClipDisplayItem::AppendToWebDisplayItemList(
-    const IntRect& visual_rect,
+    const LayoutSize&,
     WebDisplayItemList* list) const {
   list->AppendFloatClipItem(clip_rect_);
 }
 
 void EndFloatClipDisplayItem::Replay(GraphicsContext& context) const {
   context.Restore();
 }
 
 void EndFloatClipDisplayItem::AppendToWebDisplayItemList(
-    const IntRect& visual_rect,
+    const LayoutSize&,
     WebDisplayItemList* list) const {
   list->AppendEndFloatClipItem();
 }
 
 #ifndef NDEBUG
 void FloatClipDisplayItem::DumpPropertiesAsDebugString(
     WTF::StringBuilder& string_builder) const {
   DisplayItem::DumpPropertiesAsDebugString(string_builder);
   string_builder.Append(WTF::String::Format(
       ", floatClipRect: [%f,%f,%f,%f]}", clip_rect_.X(), clip_rect_.Y(),
       clip_rect_.Width(), clip_rect_.Height()));
 }
 
 #endif
 
 }  // namespace blink