Remove more Node API.

sky/engine/core/editing/htmlediting.cpp

Index: sky/engine/core/editing/htmlediting.cpp
diff --git a/sky/engine/core/editing/htmlediting.cpp b/sky/engine/core/editing/htmlediting.cpp
index 46a31fb8f406ba93b05b24c3003a06bddf0acb84..0734dce8092784f530e48e910568c0866cc4ad87 100644
--- a/sky/engine/core/editing/htmlediting.cpp
+++ b/sky/engine/core/editing/htmlediting.cpp
@@ -756,7 +756,7 @@ bool isMailHTMLBlockquoteElement(const Node* node)
 int caretMinOffset(const Node* n)
 {
     RenderObject* r = n->renderer();
-    ASSERT(!n->isCharacterDataNode() || !r || r->isText()); // FIXME: This was a runtime check that seemingly couldn't fail; changed it to an assertion for now.
+    ASSERT(!n->isTextNode() || !r || r->isText()); // FIXME: This was a runtime check that seemingly couldn't fail; changed it to an assertion for now.
     return r ? r->caretMinOffset() : 0;
 }