Revert of Fix shouldPaint issue when a composited floating iframe becomes non-self-painting

third_party/WebKit/Source/core/layout/FloatingObjects.h

Index: third_party/WebKit/Source/core/layout/FloatingObjects.h
diff --git a/third_party/WebKit/Source/core/layout/FloatingObjects.h b/third_party/WebKit/Source/core/layout/FloatingObjects.h
index fb83563be9437e3d421ae469f79e80b5eb14955f..c838dd19e00db9d05a3f3f5ca22b5987e01282fd 100644
--- a/third_party/WebKit/Source/core/layout/FloatingObjects.h
+++ b/third_party/WebKit/Source/core/layout/FloatingObjects.h
@@ -113,7 +113,7 @@
   void setIsInPlacedTree(bool value) { m_isInPlacedTree = value; }
 #endif
 
-  bool shouldPaint() const { return m_shouldPaint; }
+  bool shouldPaint() const;
   void setShouldPaint(bool shouldPaint) { m_shouldPaint = shouldPaint; }
   bool isDescendant() const { return m_isDescendant; }
   void setIsDescendant(bool isDescendant) { m_isDescendant = isDescendant; }
@@ -138,6 +138,8 @@
                  bool shouldPaint,
                  bool isDescendant,
                  bool isLowestNonOverhangingFloatInChild);
+
+  bool shouldPaintForCompositedLayoutPart();
 
   LayoutBox* m_layoutObject;
   RootInlineBox* m_originatingLine;