Issue 933: Fix for resolving type of Function in field.

compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java

Index: compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
diff --git a/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java b/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
index c9761333d2a33ed23b0db34c9bfc79ffed9ce477..8d525904c7b79f2703b49d0f9d0e21db3a0bf258 100644
--- a/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
+++ b/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
@@ -482,6 +482,11 @@ public class TypeAnalyzer implements DartCompilationPhase {
             case DYNAMIC:
               return member.getType();
             default:
+              // target.field() as Function invocation. 
+              if (types.isAssignable(functionType, field.getType())) {
+                return dynamicType;
+              }
+              // "field" is not Function, so bad structure.
               return typeError(diagnosticNode, TypeErrorCode.USE_ASSIGNMENT_ON_SETTER,
                                name, receiver);
           }