Use KernelTypeGraphBuilder in KernelInferrerEngine

pkg/compiler/lib/src/commandline_options.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.
 
 library dart2js.cmdline.options;
 
 /// Commandline flags used in `dart2js.dart` and/or `apiimpl.dart`.
 class Flags {
   static const String allowMockCompilation = '--allow-mock-compilation';
   static const String allowNativeExtensions = '--allow-native-extensions';
@@ skipping 14 matching lines @@
   static const String enableExperimentalMirrors =
       '--enable-experimental-mirrors';
   static const String experimentalTrackAllocations =
       '--experimental-track-allocations';
   static const String experimentalAllocationsPath =
       '--experimental-allocations-path';
   static const String fastStartup = '--fast-startup';
   static const String fatalWarnings = '--fatal-warnings';
   static const String generateCodeWithCompileTimeErrors =
       '--generate-code-with-compile-time-errors';
-  // Temporary flag to also integrate Kernel into global type inference.
-  // TODO(efortuna): Remove when fully implemented and simply use "useKernel".
-  static const String kernelGlobalInference = '--kernel-global-inference';
 
   /// Enable the unified front end, loading from .dill files, and compilation
   /// using the kernel representation.
   /// See [CompilerOptions.useKernel] for details.
   static const String useKernel = '--use-kernel';
 
   /// Only enable the kernel ssa builder, but continue using the old compiler
   /// pipeline. Only used for testing the ssa builder.
   // TODO(sigmund): delete.
   static const String useKernelInSsa = '--use-kernel-in-ssa';
@@ skipping 53 matching lines @@
 }
 
 class Option {
   static const String showPackageWarnings =
       '${Flags.showPackageWarnings}|${Flags.showPackageWarnings}=.*';
 
   // Experimental options.
   static const String resolutionInput = '--resolution-input=.+';
   static const String bazelPaths = '--bazel-paths=.+';
 }