dart2js: store typeToInterceptorMap in the model.

pkg/compiler/lib/src/js_emitter/old_emitter/interceptor_emitter.dart

 // Copyright (c) 2013, 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.
 
 part of dart2js.js_emitter;
 
 class InterceptorEmitter extends CodeEmitterHelper {
   final Set<String> interceptorInvocationNames = new Set<String>();
 
   void recordMangledNameOfMemberMethod(FunctionElement member, String name) {
@@ skipping 69 matching lines @@
       properties[i] = new jsAst.Property(js.string(name), js.number(1));
     }
     return new jsAst.ObjectInitializer(properties, isOneLiner: true);
   }
 
   /**
    * Emit initializer for `typeToInterceptorMap` data structure used by
    * `findInterceptorForType`.  See declaration of `typeToInterceptor` in
    * `interceptors.dart`.
    */
-  void emitTypeToInterceptorMap(CodeOutput output) {
-    InterceptorStubGenerator stubGenerator =
-        new InterceptorStubGenerator(compiler, namer, backend);
-    jsAst.Expression array = stubGenerator.generateTypeToInterceptorMap();
+  void emitTypeToInterceptorMap(Program program, CodeOutput output) {
+    jsAst.Expression array = program.typeToInterceptorMap;
     if (array == null) return;
 
     jsAst.Expression typeToInterceptorMap = emitter
         .generateEmbeddedGlobalAccess(embeddedNames.TYPE_TO_INTERCEPTOR_MAP);
     jsAst.Expression assignment = js('# = #', [typeToInterceptorMap, array]);
 
     output.addBuffer(jsAst.prettyPrint(assignment, compiler));
     output.add(N);
   }
 }