dart2js: Remove ConcreteTypeInference

pkg/compiler/lib/src/apiimpl.dart

 // Copyright (c) 2012, 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 leg_apiimpl;
 
 import 'dart:async';
 import 'dart:convert';
 
 import 'package:package_config/packages.dart';
@@ skipping 72 matching lines @@
             emitJavaScript: !(hasOption(options, '--output-type=dart') ||
                               hasOption(options, '--output-type=dart-multi')),
             dart2dartMultiFile: hasOption(options, '--output-type=dart-multi'),
             generateSourceMap: !hasOption(options, Flags.noSourceMaps),
             analyzeAllFlag: hasOption(options, Flags.analyzeAll),
             analyzeOnly: hasOption(options, Flags.analyzeOnly),
             analyzeMain: hasOption(options, Flags.analyzeMain),
             analyzeSignaturesOnly:
                 hasOption(options, Flags.analyzeSignaturesOnly),
             strips: extractCsvOption(options, '--force-strip='),
-            enableConcreteTypeInference:
-                hasOption(options, Flags.enableConcreteTypeInference),
             disableTypeInferenceFlag:
                 hasOption(options, Flags.disableTypeInference),
             preserveComments: hasOption(options, Flags.preserveComments),
             useCpsIr: hasOption(options, Flags.useCpsIr),
             verbose: hasOption(options, Flags.verbose),
             sourceMapUri: extractUriOption(options, '--source-map='),
             outputUri: extractUriOption(options, '--out='),
             terseDiagnostics: hasOption(options, Flags.terse),
             deferredMapUri: extractUriOption(options, '--deferred-map='),
             dumpInfo: hasOption(options, Flags.dumpInfo),
@@ skipping 441 matching lines @@
     print('$message: ${tryToString(exception)}');
     print(tryToString(stackTrace));
   }
 
   fromEnvironment(String name) => environment[name];
 
   LibraryInfo lookupLibraryInfo(String libraryName) {
     return library_info.LIBRARIES[libraryName];
   }
 }