Inline MarkAncestorsForPaintInvalidation.

There's only one call site, so this patch inlines it so it's more clear
which functions mark the parent chain.

R=chrishtr@chromium.org, pdr@chromium.org, wangxianzhu@chromium.org

Change-Id: I367f4ffd2dfaf07ddf98a03ea247fb69d6e387b4
Reviewed-on: https://chromium-review.googlesource.com/1239263
Commit-Queue: vmpstr <vmpstr@chromium.org>
Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org>
Reviewed-by: Xianzhu Wang <wangxianzhu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#593379}

third_party/blink/renderer/core/layout/layout_object.cc

@@ -3824,13 +3824,6 @@ bool LayoutObject::IsRelayoutBoundaryForInspector() const {
   return ObjectIsRelayoutBoundary(this);
 }
 
-inline void LayoutObject::MarkAncestorsForPaintInvalidation() {
-  for (LayoutObject* parent = ParentCrossingFrames();
-       parent && !parent->ShouldCheckForPaintInvalidation();
-       parent = parent->ParentCrossingFrames())
-    parent->bitfields_.SetShouldCheckForPaintInvalidation(true);
-}
-
 inline void LayoutObject::SetNeedsPaintOffsetAndVisualRectUpdate() {
   DCHECK(ShouldCheckForPaintInvalidation());
   bitfields_.SetNeedsPaintOffsetAndVisualRectUpdate(true);
@@ -3898,8 +3891,13 @@ void LayoutObject::SetShouldCheckForPaintInvalidationWithoutGeometryChange() {
   if (ShouldCheckForPaintInvalidation())
     return;
   GetFrameView()->ScheduleVisualUpdateForPaintInvalidationIfNeeded();
+
   bitfields_.SetShouldCheckForPaintInvalidation(true);
-  MarkAncestorsForPaintInvalidation();
+  for (LayoutObject* parent = ParentCrossingFrames();
+       parent && !parent->ShouldCheckForPaintInvalidation();
+       parent = parent->ParentCrossingFrames()) {
+    parent->bitfields_.SetShouldCheckForPaintInvalidation(true);
+  }
 }
 
 void LayoutObject::SetSubtreeShouldCheckForPaintInvalidation() {

third_party/blink/renderer/core/layout/layout_object.h

@@ -2314,7 +2314,6 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
 
   inline void MarkContainerChainForOverflowRecalcIfNeeded();
 
-  inline void MarkAncestorsForPaintInvalidation();
   inline void SetNeedsPaintOffsetAndVisualRectUpdate();
 
   inline void InvalidateContainerPreferredLogicalWidths();