Handle type variable in static member.

lib/compiler/implementation/elements/elements.dart

Index: lib/compiler/implementation/elements/elements.dart
diff --git a/lib/compiler/implementation/elements/elements.dart b/lib/compiler/implementation/elements/elements.dart
index 7a48158f8be865ff49a592ae4b13e56db5103c90..5da84bcafd882921018d3d6ec859a86f0c1fb303 100644
--- a/lib/compiler/implementation/elements/elements.dart
+++ b/lib/compiler/implementation/elements/elements.dart
@@ -159,6 +159,16 @@ class Element implements Spannable {
     return enclosingElement != null && enclosingElement.isClass();
   }
   bool isInstanceMember() => false;
+
+  /**
+   * Returns [:true:] if this element is enclosed in a static member or is
+   * itself a static member.
+   */
+  bool isInStaticMember() {
+    Element member = getEnclosingMember();
+    return member != null && member.modifiers.isStatic();
+  }
+
   bool isFactoryConstructor() => modifiers.isFactory();
   bool isGenerativeConstructor() =>
       identical(kind, ElementKind.GENERATIVE_CONSTRUCTOR);
@@ -296,6 +306,10 @@ class Element implements Spannable {
     return null;
   }
 
+  /**
+   * Returns the member enclosing this element or the element itself if it is a
+   * member. If no enclosing element is found, [:null:] is returned.
+   */
   Element getEnclosingMember() {
     for (Element e = this; e != null; e = e.enclosingElement) {
       if (e.isMember()) return e;