dart2js: Register helpers for updating send to type variable.

pkg/compiler/lib/src/common/resolution.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dart2js.common.resolution;
 
 import '../compiler.dart' show
     Compiler;
 import '../dart_types.dart' show
     DartType;
-import '../elements/elements.dart' show
-    AstElement,
-    ErroneousElement;
+import '../elements/elements.dart' show AstElement, ErroneousElement, TypeVariableElement;

[Johnni Winther, 2015/09/15 13:23:39]

Long line.

 import '../enqueue.dart' show
     ResolutionEnqueuer,
     WorldImpact;
 import '../tree/tree.dart' show
     AsyncForIn,
     Send;
 import 'registry.dart' show
     Registry;
 import 'work.dart' show
     ItemCompilationContext,
@@ skipping 35 matching lines @@
   /// Called during resolution to notify to the backend that the
   /// program explicitly throws an exception.
   void onThrowExpression(Registry registry) {}
 
   /// Called during resolution to notify to the backend that the
   /// program has a global variable with a lazy initializer.
   void onLazyField(Registry registry) {}
 
   /// Called during resolution to notify to the backend that the
   /// program uses a type variable as an expression.
-  void onTypeVariableExpression(Registry registry) {}
+  void onTypeVariableExpression(Registry registry,
+                                TypeVariableElement variable) {}
 
   /// Called during resolution to notify to the backend that the
   /// program uses a type literal.
   void onTypeLiteral(DartType type, Registry registry) {}
 
   /// Called during resolution to notify to the backend that the
   /// program has a catch statement with a stack trace.
   void onStackTraceInCatch(Registry registry) {}
 
   /// Register an is check to the backend.
@@ skipping 31 matching lines @@
 
   /// Register that the application creates a constant map.
   void onMapLiteral(Registry registry, DartType type, bool isConstant) {}
 
   /// Called when resolving the `Symbol` constructor.
   void onSymbolConstructor(Registry registry) {}
 
   /// Called when resolving a prefix or postfix expression.
   void onIncDecOperation(Registry registry) {}
 }