Revert "Add support for the new function-type syntax."

pkg/compiler/lib/src/parser/listener.dart

Index: pkg/compiler/lib/src/parser/listener.dart
diff --git a/pkg/compiler/lib/src/parser/listener.dart b/pkg/compiler/lib/src/parser/listener.dart
index d3eab2f31433d97f3f90b3f51b168e4a705d2cc7..b33bd84d2b2d4b2c9019ad806fc37ac1c27ef8bb 100644
--- a/pkg/compiler/lib/src/parser/listener.dart
+++ b/pkg/compiler/lib/src/parser/listener.dart
@@ -130,9 +130,9 @@ class Listener {
 
   void endFunctionName(Token token) {}
 
-  void beginTypedef(Token token) {}
+  void beginFunctionTypeAlias(Token token) {}
 
-  void endTypedef(Token typedefKeyword, Token equals, Token endToken) {}
+  void endFunctionTypeAlias(Token typedefKeyword, Token endToken) {}
 
   void beginMixinApplication(Token token) {}
 
@@ -295,10 +295,6 @@ class Listener {
 
   void endType(Token beginToken, Token endToken) {}
 
-  void handleNoName(Token token) {}
-
-  void endFunctionType(Token functionToken, Token endToken) {}
-
   void beginTypeArguments(Token token) {}
 
   void endTypeArguments(int count, Token beginToken, Token endToken) {}