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

third_party/WebKit/Source/platform/graphics/paint/TransformDisplayItem.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/TransformDisplayItem.h"
 
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/transforms/AffineTransform.h"
 #include "public/platform/WebDisplayItemList.h"
 
 namespace blink {
 
 void BeginTransformDisplayItem::Replay(GraphicsContext& context) const {
   context.Save();
   context.ConcatCTM(transform_);
 }
 
 void BeginTransformDisplayItem::AppendToWebDisplayItemList(
-    const IntRect& visual_rect,
+    const LayoutSize&,
     WebDisplayItemList* list) const {
   list->AppendTransformItem(AffineTransformToSkMatrix(transform_));
 }
 
 #ifndef NDEBUG
 void BeginTransformDisplayItem::DumpPropertiesAsDebugString(
     WTF::StringBuilder& string_builder) const {
   PairedBeginDisplayItem::DumpPropertiesAsDebugString(string_builder);
   string_builder.Append(WTF::String::Format(
       ", transform: [%lf,%lf,%lf,%lf,%lf,%lf]", transform_.A(), transform_.B(),
       transform_.C(), transform_.D(), transform_.E(), transform_.F()));
 }
 #endif
 
 void EndTransformDisplayItem::Replay(GraphicsContext& context) const {
   context.Restore();
 }
 
 void EndTransformDisplayItem::AppendToWebDisplayItemList(
-    const IntRect& visual_rect,
+    const LayoutSize&,
     WebDisplayItemList* list) const {
   list->AppendEndTransformItem();
 }
 
 }  // namespace blink