Issue 3264. Use field type is formal initializer has to declared type

compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java

Index: compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java
diff --git a/compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java b/compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java
index 8fdfa3ddf74efb52b3e9ba92454ae122569135a9..c315b185fc76988b8d6471a9484d263326fe68b1 100644
--- a/compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java
+++ b/compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java
@@ -38,6 +38,7 @@ abstract class ResolveVisitor extends ASTVisitor<Element> {
     for (DartParameter parameter : node.getParameters()) {
       Elements.addParameter(element, (VariableElement) parameter.accept(this));
     }
+    resolveFunctionWithParameters(node, element);
     Type returnType =
         resolveType(
             node.getReturnTypeNode(),
@@ -51,6 +52,13 @@ abstract class ResolveVisitor extends ASTVisitor<Element> {
     return element;
   }
 
+  /**
+   * Allows subclass to process {@link DartFunction} element with parameters, but before
+   * {@link FunctionType} is created for it.
+   */
+  protected void resolveFunctionWithParameters(DartFunction node, MethodElement element) {
+  }
+
   final FunctionAliasElement resolveFunctionAlias(DartFunctionTypeAlias node) {
     HashSet<String> parameterNames = new HashSet<String>();
     for (DartTypeParameter parameter : node.getTypeParameters()) {