Generate only AST based summaries in build mode.

pkg/analyzer_cli/lib/src/options.dart

Index: pkg/analyzer_cli/lib/src/options.dart
diff --git a/pkg/analyzer_cli/lib/src/options.dart b/pkg/analyzer_cli/lib/src/options.dart
index 6a4c42601aab7fbca407893767365fc8b45002b6..3061c5ce1954cd0b0c41dc9ba3bd35067629ce1c 100644
--- a/pkg/analyzer_cli/lib/src/options.dart
+++ b/pkg/analyzer_cli/lib/src/options.dart
@@ -48,10 +48,6 @@ class CommandLineOptions {
   /// Whether to skip analysis when creating summaries in build mode.
   final bool buildSummaryOnly;
 
-  /// Whether to create summaries using only ASTs, i.e. don't perform
-  /// resolution.
-  final bool buildSummaryOnlyAst;
-
   /// Whether to use diet parsing, i.e. skip function bodies. We don't need to
   /// analyze function bodies to use summaries during future compilation steps.
   final bool buildSummaryOnlyDiet;
@@ -172,7 +168,6 @@ class CommandLineOptions {
         buildSummaryFallback = args['build-summary-fallback'],
         buildSummaryInputs = args['build-summary-input'] as List<String>,
         buildSummaryOnly = args['build-summary-only'],
-        buildSummaryOnlyAst = args['build-summary-only-ast'],
         buildSummaryOnlyDiet = args['build-summary-only-diet'],
         buildSummaryExcludeInformative =
             args['build-summary-exclude-informative'],
@@ -416,7 +411,7 @@ class CommandLineOptions {
           negatable: false,
           hide: true)
       ..addFlag('build-summary-only-ast',
-          help: 'Generate summaries using ASTs.',
+          help: 'deprecated -- Generate summaries using ASTs.',
           defaultsTo: false,
           negatable: false,
           hide: true)