Revert of Fix leak PaintLayerReflectionInfo

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

Index: third_party/WebKit/Source/core/paint/PaintLayer.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintLayer.cpp b/third_party/WebKit/Source/core/paint/PaintLayer.cpp
index b31f3dbdf56d7bcf88e6b4933676127694c39383..646d3af759cb51a52af0cf605281e262e77abb04 100644
--- a/third_party/WebKit/Source/core/paint/PaintLayer.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintLayer.cpp
@@ -203,6 +203,9 @@
 
     clearCompositedLayerMapping(true);
 
+    if (PaintLayerReflectionInfo* reflectionInfo = this->reflectionInfo())
+        reflectionInfo->destroy();
+
     if (m_scrollableArea)
         m_scrollableArea->dispose();
 }
@@ -1416,6 +1419,7 @@
         ensureRareData().reflectionInfo = adoptPtr(new PaintLayerReflectionInfo(*layoutBox()));
         m_rareData->reflectionInfo->updateAfterStyleChange(oldStyle);
     } else if (m_rareData && m_rareData->reflectionInfo) {
+        m_rareData->reflectionInfo->destroy();
         m_rareData->reflectionInfo = nullptr;
     }
 }