Remove paintOffsetTranslation for fixed-position elements.

third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp

Index: third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp b/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp
index daad53c7bd927931e14cb6edae7f2f62659eb14a..9e2156318c6be90ae3055559196e06be0d503060 100644
--- a/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp
@@ -218,13 +218,8 @@ void PaintPropertyTreeBuilder::updatePaintOffsetTranslation(
     usesPaintOffsetTranslation = true;
   } else if (object.isBoxModelObject() &&
              context.current.paintOffset != LayoutPoint()) {
-    // TODO(trchen): Eliminate PaintLayer dependency.
-    // TODO(chrishtr): When changing the condition here, make sure to update
-    // the condition in LayoutBoxModelObject::styleDidChange() above
-    // setNeedsPaintPropertyUpdate().
     PaintLayer* layer = toLayoutBoxModelObject(object).layer();
-    if (layer &&
-        layer->paintsWithTransform(GlobalPaintFlattenCompositingLayers))
+    if (layer && layer->paintsWithTransform(GlobalPaintNormalPhase))
       usesPaintOffsetTranslation = true;
   }