Fix mocked operator methods

pkg/dev_compiler/lib/src/compiler/code_generator.dart

 // Copyright (c) 2015, 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.
 
 import 'dart:collection' show HashMap, HashSet;
 import 'dart:math' show min, max;
 
 import 'package:analyzer/analyzer.dart' hide ConstantEvaluator;
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 1512 matching lines @@
         addProperty('isSetter', js.boolean(true));
 
         fnArgs.add(args);
         positionalArgs = new JS.ArrayInitializer([args]);
       }
     }
 
     var fnBody =
         js.call('this.noSuchMethod(new #.InvocationImpl.new(#, #, #))', [
       _runtimeModule,
-      _declareMemberName(method, useDisplayName: true),
+      _declareMemberName(method, useDisplayName: false),

[Jennifer Messerly, 2017/06/22 20:26:31]

fyi ... useDisplayName defaults to false and does not appear to be used. I'll
send a CL sending a cleanup

       positionalArgs,
       new JS.ObjectInitializer(invocationProps)
     ]);
 
     if (!method.returnType.isDynamic) {
       fnBody = js.call('#._check(#)', [_emitType(method.returnType), fnBody]);
     }
 
     var fn = _makeGenericFunction(new JS.Fun(
         fnArgs, js.statement('{ return #; }', [fnBody]),
@@ skipping 4292 matching lines @@
   if (targetIdentifier.staticElement is! PrefixElement) return false;
   var prefix = targetIdentifier.staticElement as PrefixElement;
 
   // The library the prefix is referring to must come from a deferred import.
   var containingLibrary = resolutionMap
       .elementDeclaredByCompilationUnit(target.root as CompilationUnit)
       .library;
   var imports = containingLibrary.getImportsWithPrefix(prefix);
   return imports.length == 1 && imports[0].isDeferred;
 }