Bug 1444031 - Rename Is{Static,Dynamic,HTML5}Atom. r=froydnj

By removing the "Atom" suffix, which is redundant.

MozReview-Commit-ID: 4MCX9Icfjrw

parser/html/nsHtml5Portability.cpp

@@ -87,7 +87,7 @@ nsHtml5Portability::newLocalFromLocal(nsAtom* local, nsHtml5AtomTable* interner)
 {
   NS_PRECONDITION(local, "Atom was null.");
   NS_PRECONDITION(interner, "Atom table was null");
-  if (!local->IsStaticAtom()) {
+  if (!local->IsStatic()) {
     nsAutoString str;
     local->ToString(str);
     local = interner->GetAtom(str);