dart2js: store typeToInterceptorMap in the model.

pkg/compiler/lib/src/js_emitter/program_builder.dart

 // Copyright (c) 2014, 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.js_emitter.program_builder;
 
 import 'js_emitter.dart' show computeMixinClass;
 import 'model.dart';
 
 import '../common.dart';
@@ skipping 100 matching lines @@
     outputs.setAll(1, deferredOutputs);
 
     _markEagerClasses();
 
     bool containsNativeClasses =
         nativeClasses.length != _unneededNativeClasses.length;
 
     return new Program(
         outputs,
         _buildLoadMap(),
+        _buildTypeToInterceptorMap(),
         outputContainsNativeClasses: containsNativeClasses,
         outputContainsConstantList: _task.outputContainsConstantList);
   }
 
   void _markEagerClasses() {
     _markEagerInterceptorClasses();
   }
 
   /// Builds a map from loadId to outputs-to-load.
   Map<String, List<Fragment>> _buildLoadMap() {
     Map<String, List<Fragment>> loadMap = <String, List<Fragment>>{};
     _compiler.deferredLoadTask.hunksToLoad
         .forEach((String loadId, List<OutputUnit> outputUnits) {
       loadMap[loadId] = outputUnits
           .map((OutputUnit unit) => _outputs[unit])
           .toList(growable: false);
     });
     return loadMap;
   }
 
+  js.Expression _buildTypeToInterceptorMap() {
+    InterceptorStubGenerator stubGenerator =
+        new InterceptorStubGenerator(_compiler, namer, backend);
+    return stubGenerator.generateTypeToInterceptorMap();
+  }
+
   MainFragment _buildMainOutput(LibrariesMap librariesMap) {
     // Construct the main output from the libraries and the registered holders.
     MainFragment result = new MainFragment(
         librariesMap.outputUnit,
         "",  // The empty string is the name for the main output file.
         backend.emitter.staticFunctionAccess(_compiler.mainFunction),
         _buildLibraries(librariesMap),
         _buildStaticNonFinalFields(librariesMap),
         _buildStaticLazilyInitializedFields(librariesMap),
         _buildConstants(librariesMap),
@@ skipping 360 matching lines @@
       _registry.registerConstant(outputUnit, constantValue);
       assert(!_constants.containsKey(constantValue));
       String name = namer.constantName(constantValue);
       String constantObject = namer.globalObjectForConstant(constantValue);
       Holder holder = _registry.registerHolder(constantObject);
       Constant constant = new Constant(name, holder, constantValue);
       _constants[constantValue] = constant;
     }
   }
 }