processOptionsForDriver() is never called with 'optionsRemoved'.

pkg/analysis_server/lib/src/context_manager.dart

 // Copyright (c) 2014, 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 context.directory.manager;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:convert';
 import 'dart:core';
@@ skipping 698 matching lines @@
       List<String> excludeList = toStringList(exclude);
       if (excludeList != null) {
         setIgnorePatternsForContext(info, excludeList);
       }
     }
   }
 
   /**
    * Process [options] for the given context [info].
    */
-  void processOptionsForDriver(ContextInfo info, Map<String, Object> options,
-      {bool optionsRemoved: false}) {
-    if (options == null && !optionsRemoved) {
+  void processOptionsForDriver(ContextInfo info, Map<String, Object> options) {
+    if (options == null) {
       return;
     }
     AnalysisOptionsImpl analysisOptions = info.analysisDriver.analysisOptions;
 
-    // In case options files are removed, revert to defaults.
-    if (optionsRemoved) {
-      // Start with defaults.
-      analysisOptions.resetToDefaults();
-
-      // Apply inherited options.
-      options = _toStringMap(_getEmbeddedOptions(info));
-      if (options != null) {
-        applyToAnalysisOptions(analysisOptions, options);
-      }
-    } else {
-      // Check for embedded options.
-      Map embeddedOptions = _getEmbeddedOptions(info);
-      if (embeddedOptions != null) {
-        options = _toStringMap(new Merger().merge(embeddedOptions, options));
-      }
+    // Check for embedded options.
+    Map embeddedOptions = _getEmbeddedOptions(info);
+    if (embeddedOptions != null) {
+      options = _toStringMap(new Merger().merge(embeddedOptions, options));
     }
 
     applyToAnalysisOptions(analysisOptions, options);
 
-    // Nothing more to do.
-    if (options == null) {
-      return;
-    }
-
     var analyzer = options[AnalyzerOptions.analyzer];
     if (analyzer is Map) {
       // Set ignore patterns.
       YamlList exclude = analyzer[AnalyzerOptions.exclude];
       List<String> excludeList = toStringList(exclude);
       if (excludeList != null) {
         setIgnorePatternsForContext(info, excludeList);
       }
     }
   }
@@ skipping 1214 matching lines @@
     }
     return _embedderLocator;
   }
 
   @override
   SdkExtensionFinder getSdkExtensionFinder(ResourceProvider resourceProvider) {
     return _sdkExtensionFinder ??=
         new SdkExtensionFinder(buildPackageMap(resourceProvider));
   }
 }