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

third_party/WebKit/Source/platform/graphics/paint/PaintController.h

Index: third_party/WebKit/Source/platform/graphics/paint/PaintController.h
diff --git a/third_party/WebKit/Source/platform/graphics/paint/PaintController.h b/third_party/WebKit/Source/platform/graphics/paint/PaintController.h
index 3ebb855ebb936c40f8b7ed5939a5b70037615411..d186158f6d5ee3c551e673d804c71fa66c4618c5 100644
--- a/third_party/WebKit/Source/platform/graphics/paint/PaintController.h
+++ b/third_party/WebKit/Source/platform/graphics/paint/PaintController.h
@@ -140,11 +140,8 @@ class PLATFORM_EXPORT PaintController {
   }
   bool IsSkippingCache() const { return skipping_cache_count_; }
 
-  // Must be called when a painting is finished. |offsetFromLayoutObject| is the
-  // offset between the space of the GraphicsLayer which owns this
-  // PaintController and the coordinate space of the owning LayoutObject.
-  void CommitNewDisplayItems(
-      const LayoutSize& offset_from_layout_object = LayoutSize());
+  // Must be called when a painting is finished.
+  void CommitNewDisplayItems();
 
   // Returns the approximate memory usage, excluding memory likely to be
   // shared with the embedder after copying to WebPaintController.
@@ -185,11 +182,9 @@ class PLATFORM_EXPORT PaintController {
   // the last commitNewDisplayItems(). Use with care.
   DisplayItemList& NewDisplayItemList() { return new_display_item_list_; }
 
-  void AppendDebugDrawingAfterCommit(
-      const DisplayItemClient&,
-      sk_sp<PaintRecord>,
-      const FloatRect& record_bounds,
-      const LayoutSize& offset_from_layout_object);
+  void AppendDebugDrawingAfterCommit(const DisplayItemClient&,
+                                     sk_sp<PaintRecord>,
+                                     const FloatRect& record_bounds);
 
   void ShowDebugData() const { ShowDebugDataInternal(false); }
 #ifndef NDEBUG