Merge 53525 - Bug 33266 WebCore::InlineFlowBox::determineSpacingForFlowBoxes...

WebCore/rendering/RenderBlock.h

Index: WebCore/rendering/RenderBlock.h
===================================================================
--- WebCore/rendering/RenderBlock.h	(revision 37094)
+++ WebCore/rendering/RenderBlock.h	(working copy)
@@ -142,6 +142,8 @@
 protected:
     void moveChildTo(RenderObject* to, RenderObjectChildList* toChildList, RenderObject* child);
     void moveChildTo(RenderObject* to, RenderObjectChildList* toChildList, RenderObject* beforeChild, RenderObject* child);
+    void moveAllChildrenTo(RenderObject* to, RenderObjectChildList* toChildList);
+    void moveAllChildrenTo(RenderObject* to, RenderObjectChildList* toChildList, RenderObject* beforeChild);
 
     int maxTopPosMargin() const { return m_maxMargin ? m_maxMargin->m_topPos : MaxMargin::topPosDefault(this); }
     int maxTopNegMargin() const { return m_maxMargin ? m_maxMargin->m_topNeg : MaxMargin::topNegDefault(this); }
@@ -516,6 +518,10 @@
     RenderLineBoxList m_lineBoxes;   // All of the root line boxes created for this block flow.  For example, <div>Hello<br>world.</div> will have two total lines for the <div>.
 
     mutable int m_lineHeight;
+    
+    // RenderRubyBase objects need to be able to split and merge, moving their children around
+    // (calling moveChildTo, moveAllChildrenTo, and makeChildrenNonInline).
+    friend class RenderRubyBase;
 };
 
 inline RenderBlock* toRenderBlock(RenderObject* object)