Extract InterceptorData from JavaScriptBackend.

pkg/compiler/lib/src/js_emitter/full_emitter/nsm_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.
 
 library dart2js.js_emitter.full_emitter.nsm_emitter;
 
 import '../../elements/entities.dart';
 import '../../js/js.dart' as jsAst;
 import '../../js/js.dart' show js;
 import '../../js_backend/js_backend.dart' show GetterName, SetterName;
@@ skipping 124 matching lines @@
    */
   List<jsAst.Statement> buildTrivialNsmHandlers() {
     List<jsAst.Statement> statements = <jsAst.Statement>[];
     if (trivialNsmHandlers.length == 0) return statements;
 
     bool minify = compiler.options.enableMinification;
     bool useDiffEncoding = minify && trivialNsmHandlers.length > 30;
 
     // Find out how many selectors there are with the special calling
     // convention.
-    Iterable<Selector> interceptedSelectors = trivialNsmHandlers
-        .where((Selector s) => backend.isInterceptedName(s.name));
-    Iterable<Selector> ordinarySelectors = trivialNsmHandlers
-        .where((Selector s) => !backend.isInterceptedName(s.name));
+    Iterable<Selector> interceptedSelectors = trivialNsmHandlers.where(
+        (Selector s) => backend.interceptorData.isInterceptedName(s.name));
+    Iterable<Selector> ordinarySelectors = trivialNsmHandlers.where(
+        (Selector s) => !backend.interceptorData.isInterceptedName(s.name));
 
     // Get the short names (JS names, perhaps minified).
     Iterable<jsAst.Name> interceptedShorts =
         interceptedSelectors.map(namer.invocationMirrorInternalName);
     Iterable<jsAst.Name> ordinaryShorts =
         ordinarySelectors.map(namer.invocationMirrorInternalName);
 
     jsAst.Expression sortedShorts;
     Iterable<String> sortedLongs;
     if (useDiffEncoding) {
@@ skipping 244 matching lines @@
   }
 
   String get value {
     if (_cachedValue == null) {
       _cachedValue = _computeDiffEncoding();
     }
 
     return _cachedValue;
   }
 }