Remove display:run-in as per https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/_tHSX…

Source/core/rendering/RenderObject.h

Index: Source/core/rendering/RenderObject.h
diff --git a/Source/core/rendering/RenderObject.h b/Source/core/rendering/RenderObject.h
index 3a4da9a3fbf333da3494a9ac3cd4b6c1b90f08bc..4f901e9f55be4f9c4d785dbe72f876afb60c6497 100644
--- a/Source/core/rendering/RenderObject.h
+++ b/Source/core/rendering/RenderObject.h
@@ -532,7 +532,6 @@ public:
     bool isText() const  { return m_bitfields.isText(); }
     bool isBox() const { return m_bitfields.isBox(); }
     bool isInline() const { return m_bitfields.isInline(); } // inline object
-    bool isRunIn() const { return style()->display() == RUN_IN; } // run-in object
     bool isDragging() const { return m_bitfields.isDragging(); }
     bool isReplaced() const { return m_bitfields.isReplaced(); } // a "replaced" element (see CSS)
     bool isHorizontalWritingMode() const { return m_bitfields.horizontalWritingMode(); }
@@ -1024,8 +1023,6 @@ protected:
     virtual void willBeDestroyed();
     void postDestroy();
 
-    virtual bool canBeReplacedWithInlineRunIn() const;
-
     virtual void insertedIntoTree();
     virtual void willBeRemovedFromTree();