Support enabling of type inference with useKernel

pkg/compiler/lib/src/options.dart

 // Copyright (c) 2016, 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.src.options;
 
 import '../compiler.dart' show PackagesDiscoveryProvider;
 import 'commandline_options.dart' show Flags;
 
 /// Options used for controlling diagnostic messages.
@@ skipping 422 matching lines @@
         analyzeOnly:
             analyzeOnly || analyzeSignaturesOnly || analyzeAll || resolveOnly,
         analyzeSignaturesOnly: analyzeSignaturesOnly,
         buildId: buildId,
         deferredMapUri: deferredMapUri,
         fatalWarnings: fatalWarnings,
         terseDiagnostics: terseDiagnostics,
         suppressWarnings: suppressWarnings,
         suppressHints: suppressHints,
         shownPackageWarnings: shownPackageWarnings,
-        // TODO(sigmund): remove once we support inlining and type-inference
-        // with `useKernel`.
-        disableInlining: disableInlining || useKernel,
-        disableTypeInference: disableTypeInference || useKernel,
+        disableInlining: disableInlining,
+        disableTypeInference: disableTypeInference,
         dumpInfo: dumpInfo,
         enableAssertMessage: enableAssertMessage,
         enableExperimentalMirrors: enableExperimentalMirrors,
         enableMinification: enableMinification,
         enableNativeLiveTypeAnalysis: enableNativeLiveTypeAnalysis,
         enableTypeAssertions: enableTypeAssertions,
         enableUserAssertions: enableUserAssertions,
         experimentalTrackAllocations: experimentalTrackAllocations,
         experimentalAllocationsPath: experimentalAllocationsPath,
         generateCodeWithCompileTimeErrors:
@@ skipping 301 matching lines @@
       _extractStringOption(options, "--platform-config=", null),
       _extractCsvOption(options, '--categories='));
 }
 
 /// Locations of the platform descriptor files relative to the library root.
 const String _clientPlatform = "lib/dart_client.platform";
 const String _serverPlatform = "lib/dart_server.platform";
 const String _sharedPlatform = "lib/dart_shared.platform";
 
 const String _UNDETERMINED_BUILD_ID = "build number could not be determined";