Copy float list of ruby base when merging it with a sibling

third_party/WebKit/Source/core/layout/LayoutRubyBase.cpp

Index: third_party/WebKit/Source/core/layout/LayoutRubyBase.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutRubyBase.cpp b/third_party/WebKit/Source/core/layout/LayoutRubyBase.cpp
index 3a27e22ddb8910d6f4dacd15bd9623418553bd1d..829402df48b1c39d2aa6c3340bc5ac5c1ac2580f 100644
--- a/third_party/WebKit/Source/core/layout/LayoutRubyBase.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutRubyBase.cpp
@@ -124,8 +124,12 @@ void LayoutRubyBase::moveBlockChildren(LayoutRubyBase* toBase,
     anonBlockHere->deleteLineBoxTree();
     anonBlockHere->destroy();
   }
-  // Move all remaining children normally.
-  moveChildrenTo(toBase, firstChild(), beforeChild);
+  // Move all remaining children normally. If moving all children, include our
+  // float list.
+  if (!beforeChild)
+    moveAllChildrenIncludingFloatsTo(toBase, toBase->hasLayer() || hasLayer());
+  else
+    moveChildrenTo(toBase, firstChild(), beforeChild, toBase->children());
 }
 
 ETextAlign LayoutRubyBase::textAlignmentForLine(