Calling isRenderedTable() instead of isTable() to maintain consistency within the Editing module.

Source/core/editing/InsertParagraphSeparatorCommand.cpp

Index: Source/core/editing/InsertParagraphSeparatorCommand.cpp
diff --git a/Source/core/editing/InsertParagraphSeparatorCommand.cpp b/Source/core/editing/InsertParagraphSeparatorCommand.cpp
index ddfe1d26d77ea1bd4ae22fd3e991d451e593da23..9ad4234a4bb728f8321eee2790bc2d580f6bb79a 100644
--- a/Source/core/editing/InsertParagraphSeparatorCommand.cpp
+++ b/Source/core/editing/InsertParagraphSeparatorCommand.cpp
@@ -172,7 +172,7 @@ void InsertParagraphSeparatorCommand::doApply()
         || isTableCell(startBlock.get())
         || startBlock->hasTagName(formTag)
         // FIXME: If the node is hidden, we don't have a canonical position so we will do the wrong thing for tables and <hr>. https://bugs.webkit.org/show_bug.cgi?id=40342
-        || (!canonicalPos.isNull() && canonicalPos.deprecatedNode()->renderer() && canonicalPos.deprecatedNode()->renderer()->isTable())
+        || (!canonicalPos.isNull() && isRenderedTable(canonicalPos.deprecatedNode()))
         || (!canonicalPos.isNull() && canonicalPos.deprecatedNode()->hasTagName(hrTag))) {
         applyCommandToComposite(InsertLineBreakCommand::create(document()));
         return;