Drop unnecessary ancestor traversal in Range::selectNode()

Source/core/dom/Range.cpp

Index: Source/core/dom/Range.cpp
diff --git a/Source/core/dom/Range.cpp b/Source/core/dom/Range.cpp
index 4fa8b8b9c967ac96e518ae08f00915e822a667e9..8ab9700a48a5c0c303ca51d19fdd55a244ce2c91 100644
--- a/Source/core/dom/Range.cpp
+++ b/Source/core/dom/Range.cpp
@@ -1080,26 +1080,7 @@ void Range::selectNode(Node* refNode, ExceptionState& exceptionState)
         return;
     }
 
-    // InvalidNodeTypeError: Raised if an ancestor of refNode is an Entity, Notation or
-    // DocumentType node or if refNode is a Document, DocumentFragment, ShadowRoot, Attr, Entity, or Notation
-    // node.
-    for (ContainerNode* anc = refNode->parentNode(); anc; anc = anc->parentNode()) {
-        switch (anc->nodeType()) {
-        case Node::ATTRIBUTE_NODE:
-        case Node::CDATA_SECTION_NODE:
-        case Node::COMMENT_NODE:
-        case Node::DOCUMENT_FRAGMENT_NODE:
-        case Node::DOCUMENT_NODE:
-        case Node::ELEMENT_NODE:
-        case Node::PROCESSING_INSTRUCTION_NODE:
-        case Node::TEXT_NODE:
-            break;
-        case Node::DOCUMENT_TYPE_NODE:
-            exceptionState.throwDOMException(InvalidNodeTypeError, "The node provided has an ancestor of type '" + anc->nodeName() + "'.");
-            return;
-        }
-    }
-
+    // INVALID_NODE_TYPE_ERR: Raised if refNode is a Document, DocumentFragment or Attr node.

[sof, 2015/09/23 10:01:39]

InvalidNodeTypeError, not INVALID_NODE_TYPE_ERR, but the comment doesn't add any
value, so just remove it.

[pals, 2015/09/23 11:34:35]

Done.

     switch (refNode->nodeType()) {
     case Node::CDATA_SECTION_NODE:
     case Node::COMMENT_NODE: