Should not inherit style from control like element during inserting text just after deleting

Source/core/editing/DeleteSelectionCommand.cpp

Index: Source/core/editing/DeleteSelectionCommand.cpp
diff --git a/Source/core/editing/DeleteSelectionCommand.cpp b/Source/core/editing/DeleteSelectionCommand.cpp
index a01bb00bf2e032a4263dba30772596db6beafcec..6d077b574611c2e2539964e3a20f2b21f7013ae0 100644
--- a/Source/core/editing/DeleteSelectionCommand.cpp
+++ b/Source/core/editing/DeleteSelectionCommand.cpp
@@ -269,6 +269,12 @@ void DeleteSelectionCommand::initializePositionData()
     m_endBlock = enclosingNodeOfType(m_upstreamEnd.parentAnchoredEquivalent(), &isBlock, CanCrossEditingBoundary);
 }
 
+// We don't want to inherit style from an element which can't have contents.
+static bool shouldNotInheritStyleFrom(const Node& node)
+{
+    return !node.canContainRangeEndPoint();
+}
+
 void DeleteSelectionCommand::saveTypingStyleState()
 {
     // A common case is deleting characters that are all from the same text node. In 
@@ -281,6 +287,9 @@ void DeleteSelectionCommand::saveTypingStyleState()
     if (m_upstreamStart.deprecatedNode() == m_downstreamEnd.deprecatedNode() && m_upstreamStart.deprecatedNode()->isTextNode())
         return;
 
+    if (shouldNotInheritStyleFrom(*m_selectionToDelete.start().anchorNode()))
+        return;
+
     // Figure out the typing style in effect before the delete is done.
     m_typingStyle = EditingStyle::create(m_selectionToDelete.start());
     m_typingStyle->removeStyleAddedByNode(enclosingAnchorElement(m_selectionToDelete.start()));