Move remaining helpers to BackendHelpers

pkg/compiler/lib/src/js_emitter/full_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.full_emitter;
 
 class InterceptorEmitter extends CodeEmitterHelper {
   final Set<jsAst.Name> interceptorInvocationNames =
       new Set<jsAst.Name>();
 
@@ skipping 23 matching lines @@
     parts.add(js.comment('getInterceptor methods'));
 
     Map<jsAst.Name, Set<ClassElement>> specializedGetInterceptors =
         backend.specializedGetInterceptors;
     List<jsAst.Name> names = specializedGetInterceptors.keys.toList()
         ..sort();
     for (jsAst.Name name in names) {
       Set<ClassElement> classes = specializedGetInterceptors[name];
       parts.add(
           js.statement('#.# = #',
-                       [namer.globalObjectFor(backend.interceptorsLibrary),
-                        name,
-                        buildGetInterceptorMethod(name, classes)]));
+              [namer.globalObjectFor(backend.helpers.interceptorsLibrary),
+               name,
+               buildGetInterceptorMethod(name, classes)]));
     }
 
     return new jsAst.Block(parts);
   }
 
   jsAst.Statement buildOneShotInterceptors() {
     List<jsAst.Statement> parts = <jsAst.Statement>[];
     Iterable<jsAst.Name> names = backend.oneShotInterceptors.keys.toList()
         ..sort();
 
     InterceptorStubGenerator stubGenerator =
         new InterceptorStubGenerator(compiler, namer, backend);
-    String globalObject = namer.globalObjectFor(backend.interceptorsLibrary);
+    String globalObject =
+        namer.globalObjectFor(backend.helpers.interceptorsLibrary);
     for (jsAst.Name name in names) {
       jsAst.Expression function =
           stubGenerator.generateOneShotInterceptor(name);
       parts.add(js.statement('${globalObject}.# = #', [name, function]));
     }
 
     return new jsAst.Block(parts);
   }
 
   /**
@@ skipping 24 matching lines @@
    */
   jsAst.Statement buildTypeToInterceptorMap(Program program) {
     jsAst.Expression array = program.typeToInterceptorMap;
     if (array == null) return js.comment("Empty type-to-interceptor map.");
 
     jsAst.Expression typeToInterceptorMap = emitter
         .generateEmbeddedGlobalAccess(embeddedNames.TYPE_TO_INTERCEPTOR_MAP);
     return js.statement('# = #', [typeToInterceptorMap, array]);
   }
 }