[SPv2] Use pre-computed paint property context for layer painter and disable fragmentation

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

Index: third_party/WebKit/Source/core/paint/ObjectPaintProperties.h
diff --git a/third_party/WebKit/Source/core/paint/ObjectPaintProperties.h b/third_party/WebKit/Source/core/paint/ObjectPaintProperties.h
index 4644645b391a293a7f9563849f71d2f52c89e5d5..fbdf7f7e5576ad397749e7ea2d1da195606d3d60 100644
--- a/third_party/WebKit/Source/core/paint/ObjectPaintProperties.h
+++ b/third_party/WebKit/Source/core/paint/ObjectPaintProperties.h
@@ -51,10 +51,6 @@ public:
     TransformPaintPropertyNode* perspective() const { return m_perspective.get(); }
     TransformPaintPropertyNode* scrollTranslation() const { return m_scrollTranslation.get(); }
 
-    // Transform that applies to layer contents, or nullptr if this object
-    // doesn't define one.
-    TransformPaintPropertyNode* transformForLayerContents() const;
-
     EffectPaintPropertyNode* effect() const { return m_effect.get(); }
 
     ClipPaintPropertyNode* overflowClip() const { return m_overflowClip.get(); }