Use tighter typing in editing: VisiblePosition & VisibleSelection

Source/core/editing/CompositeEditCommand.cpp

Index: Source/core/editing/CompositeEditCommand.cpp
diff --git a/Source/core/editing/CompositeEditCommand.cpp b/Source/core/editing/CompositeEditCommand.cpp
index 347ac2327d316a91d21c1b7406adb667949d06b9..efee09a053eb4a66d61213f424479a1f6622ccd7 100644
--- a/Source/core/editing/CompositeEditCommand.cpp
+++ b/Source/core/editing/CompositeEditCommand.cpp
@@ -999,7 +999,7 @@ void CompositeEditCommand::cloneParagraphUnderNewElement(const Position& start,
     if (outerNode->isRootEditableElement()) {
         lastNode = blockElement;
     } else {
-        lastNode = outerNode->cloneNode(isRenderedTableElement(outerNode.get()));
+        lastNode = outerNode->cloneNode(isRenderedHTMLTableElement(outerNode.get()));
         appendNode(lastNode, blockElement);
     }
 
@@ -1014,7 +1014,7 @@ void CompositeEditCommand::cloneParagraphUnderNewElement(const Position& start,
 
         for (size_t i = ancestors.size(); i != 0; --i) {
             Node* item = ancestors[i - 1].get();
-            RefPtrWillBeRawPtr<Node> child = item->cloneNode(isRenderedTableElement(item));
+            RefPtrWillBeRawPtr<Node> child = item->cloneNode(isRenderedHTMLTableElement(item));
             appendNode(child, toElement(lastNode));
             lastNode = child.release();
         }
@@ -1152,7 +1152,7 @@ void CompositeEditCommand::moveParagraphWithClones(const VisiblePosition& startO
     beforeParagraph = VisiblePosition(beforeParagraph.deepEquivalent());
     afterParagraph = VisiblePosition(afterParagraph.deepEquivalent());
 
-    if (beforeParagraph.isNotNull() && !isRenderedTable(beforeParagraph.deepEquivalent().deprecatedNode())
+    if (beforeParagraph.isNotNull() && !isRenderedTableElement(beforeParagraph.deepEquivalent().deprecatedNode())
         && ((!isEndOfParagraph(beforeParagraph) && !isStartOfParagraph(beforeParagraph)) || beforeParagraph == afterParagraph)) {
         // FIXME: Trim text between beforeParagraph and afterParagraph if they aren't equal.
         insertNodeAt(createBreakElement(document()), beforeParagraph.deepEquivalent());