Only call paint property-requiring subroutines if there are actually properties.

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

Index: third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.h
diff --git a/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.h b/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.h
index 871cb8e15c1ae5c92c50d1584a02cf1d6cb8fcf7..d07bf0bcf83e2b6f1b72130396889d7b7d374290 100644
--- a/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.h
+++ b/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.h
@@ -17,6 +17,7 @@ namespace blink {
 class FrameView;
 class LayoutBoxModelObject;
 class LayoutObject;
+class ObjectPaintProperties;
 
 // The context for PaintPropertyTreeBuilder.
 // It's responsible for bookkeeping tree state in other order, for example, the
@@ -155,22 +156,27 @@ class PaintPropertyTreeBuilder {
       bool& force_subtree_update);
   ALWAYS_INLINE static void UpdateTransform(
       const LayoutObject&,
+      ObjectPaintProperties&,
       PaintPropertyTreeBuilderFragmentContext&,
       bool& force_subtree_update);
   ALWAYS_INLINE static void UpdateTransformForNonRootSVG(
       const LayoutObject&,
+      ObjectPaintProperties&,
       PaintPropertyTreeBuilderFragmentContext&,
       bool& force_subtree_update);
   ALWAYS_INLINE static void UpdateEffect(
       const LayoutObject&,
+      ObjectPaintProperties&,
       PaintPropertyTreeBuilderFragmentContext&,
       bool& force_subtree_update);
   ALWAYS_INLINE static void UpdateFilter(
       const LayoutObject&,
+      ObjectPaintProperties&,
       PaintPropertyTreeBuilderFragmentContext&,
       bool& force_subtree_update);
   ALWAYS_INLINE static void UpdateCssClip(
       const LayoutObject&,
+      ObjectPaintProperties&,
       PaintPropertyTreeBuilderFragmentContext&,
       bool& force_subtree_update);
   ALWAYS_INLINE static void UpdateLocalBorderBoxContext(
@@ -179,22 +185,27 @@ class PaintPropertyTreeBuilder {
       bool& force_subtree_update);
   ALWAYS_INLINE static void UpdateScrollbarPaintOffset(
       const LayoutObject&,
+      ObjectPaintProperties&,
       PaintPropertyTreeBuilderFragmentContext&,
       bool& force_subtree_update);
   ALWAYS_INLINE static void UpdateOverflowClip(
       const LayoutObject&,
+      ObjectPaintProperties&,
       PaintPropertyTreeBuilderFragmentContext&,
       bool& force_subtree_update);
   ALWAYS_INLINE static void UpdatePerspective(
       const LayoutObject&,
+      ObjectPaintProperties&,
       PaintPropertyTreeBuilderFragmentContext&,
       bool& force_subtree_update);
   ALWAYS_INLINE static void UpdateSvgLocalToBorderBoxTransform(
       const LayoutObject&,
+      ObjectPaintProperties&,
       PaintPropertyTreeBuilderFragmentContext&,
       bool& force_subtree_update);
   ALWAYS_INLINE static void UpdateScrollAndScrollTranslation(
       const LayoutObject&,
+      ObjectPaintProperties&,
       PaintPropertyTreeBuilderFragmentContext&,
       bool& force_subtree_update);
   ALWAYS_INLINE static void UpdateOutOfFlowContext(