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

third_party/WebKit/Source/platform/graphics/paint/CompositingDisplayItem.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/CompositingDisplayItem.h"
 
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/skia/SkiaUtils.h"
 #include "public/platform/WebDisplayItemList.h"
 
 namespace blink {
 
 void BeginCompositingDisplayItem::Replay(GraphicsContext& context) const {
   context.BeginLayer(opacity_, xfer_mode_, has_bounds_ ? &bounds_ : nullptr,
                      color_filter_);
 }
 
 void BeginCompositingDisplayItem::AppendToWebDisplayItemList(
-    const IntRect& visual_rect,
+    const LayoutSize&,
     WebDisplayItemList* list) const {
   SkRect bounds = bounds_;
   list->AppendCompositingItem(
       opacity_, xfer_mode_, has_bounds_ ? &bounds : nullptr,
       GraphicsContext::WebCoreColorFilterToSkiaColorFilter(color_filter_)
           .get());
 }
 
 #ifndef NDEBUG
 void BeginCompositingDisplayItem::DumpPropertiesAsDebugString(
     WTF::StringBuilder& string_builder) const {
   DisplayItem::DumpPropertiesAsDebugString(string_builder);
   string_builder.Append(WTF::String::Format(
       ", xferMode: %d, opacity: %f", static_cast<int>(xfer_mode_), opacity_));
   if (has_bounds_) {
     string_builder.Append(
         WTF::String::Format(", bounds: [%f, %f, %f, %f]",
                             bounds_.Location().X(), bounds_.Location().Y(),
                             bounds_.Size().Width(), bounds_.Size().Height()));
   }
 }
 #endif
 
 void EndCompositingDisplayItem::Replay(GraphicsContext& context) const {
   context.EndLayer();
 }
 
 void EndCompositingDisplayItem::AppendToWebDisplayItemList(
-    const IntRect& visual_rect,
+    const LayoutSize&,
     WebDisplayItemList* list) const {
   list->AppendEndCompositingItem();
 }
 
 }  // namespace blink