Issue 3789. Resolve library prefix for LibraryElement for field and function references.

compiler/java/com/google/dart/compiler/LibraryDepsVisitor.java

Index: compiler/java/com/google/dart/compiler/LibraryDepsVisitor.java
diff --git a/compiler/java/com/google/dart/compiler/LibraryDepsVisitor.java b/compiler/java/com/google/dart/compiler/LibraryDepsVisitor.java
index e506c5491af221f95eabf20ebfa3cc0588b7baed..21e4c75965b0b2c7753a16517488e62c206b7833 100644
--- a/compiler/java/com/google/dart/compiler/LibraryDepsVisitor.java
+++ b/compiler/java/com/google/dart/compiler/LibraryDepsVisitor.java
@@ -80,7 +80,7 @@ public class LibraryDepsVisitor extends ASTVisitor<Void> {
     if (node.getQualifier() instanceof DartIdentifier) {
       DartIdentifier qualifier = (DartIdentifier) node.getQualifier();
       Element target = qualifier.getElement();
-      if (target != null && target.getKind() == ElementKind.LIBRARY_PREFIX) {
+      if (target != null && target.getKind() == ElementKind.LIBRARY) {
         // Handle library prefixes normally.
         // The prefix part of the qualifier doesn't contain any resolvable library source info.
         return super.visitPropertyAccess(node);