Add support for the new function-type syntax.

pkg/compiler/lib/src/serialization/equivalence.dart

Index: pkg/compiler/lib/src/serialization/equivalence.dart
diff --git a/pkg/compiler/lib/src/serialization/equivalence.dart b/pkg/compiler/lib/src/serialization/equivalence.dart
index 81aefc987540e74e0bca49cb2a2a74069f9828e8..fae1fb78b21ef68303f7f9e5c7c09f238bf401be 100644
--- a/pkg/compiler/lib/src/serialization/equivalence.dart
+++ b/pkg/compiler/lib/src/serialization/equivalence.dart
@@ -1948,7 +1948,8 @@ class NodeEquivalenceVisitor implements Visitor1<bool, Node> {
   }
 
   @override
-  bool visitTypeAnnotation(TypeAnnotation node1, TypeAnnotation node2) {
+  bool visitNominalTypeAnnotation(
+      NominalTypeAnnotation node1, NominalTypeAnnotation node2) {
     return testNodes(
             node1, node2, 'typeName', node1.typeName, node2.typeName) &&
         testNodes(node1, node2, 'typeArguments', node1.typeArguments,
@@ -1956,6 +1957,16 @@ class NodeEquivalenceVisitor implements Visitor1<bool, Node> {
   }
 
   @override
+  bool visitFunctionTypeAnnotation(
+      FunctionTypeAnnotation node1, FunctionTypeAnnotation node2) {
+    return testNodes(
+        node1, node2, 'returnType', node1.returnType, node2.returnType) &&
+        testNodes(node1, node2, 'formals', node1.formals, node2.formals) &&
+            testNodes(node1, node2, 'typeParameters', node1.typeParameters,
+                node2.typeParameters);
+  }
+
+  @override
   bool visitTypeVariable(TypeVariable node1, TypeVariable node2) {
     return testNodes(node1, node2, 'name', node1.name, node2.name) &&
         testNodes(node1, node2, 'bound', node1.bound, node2.bound);
@@ -1969,8 +1980,8 @@ class NodeEquivalenceVisitor implements Visitor1<bool, Node> {
         testNodes(
             node1, node2, 'returnType', node1.returnType, node2.returnType) &&
         testNodes(node1, node2, 'name', node1.name, node2.name) &&
-        testNodes(node1, node2, 'typeParameters', node1.typeParameters,
-            node2.typeParameters) &&
+        testNodes(node1, node2, 'typeParameters', node1.templateParameters,
+            node2.templateParameters) &&
         testNodes(node1, node2, 'formals', node1.formals, node2.formals);
   }