Add '--finer-grained-invalidation' option to Analysis Server.

pkg/analyzer/test/src/task/incremental_element_builder_test.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 analyzer.test.src.task.incremental_element_builder_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/dart/ast/utilities.dart';
 import 'package:analyzer/src/dart/element/element.dart';
@@ skipping 1582 matching lines @@
 
 main() {
   new A();
   new A.named();
 }
 ''');
   }
 
   void _buildNewUnit(String newCode) {
     this.newCode = newCode;
-    AnalysisEngine.instance.limitInvalidationInTaskModel = false;
+    AnalysisOptionsImpl analysisOptions = context.analysisOptions;
+    analysisOptions.finerGrainedInvalidation = false;
     try {
       context.setContents(source, newCode);
       newUnit = context.parseCompilationUnit(source);
       IncrementalCompilationUnitElementBuilder builder =
           new IncrementalCompilationUnitElementBuilder(oldUnit, newUnit);
       builder.build();
       unitDelta = builder.unitDelta;
       expect(newUnit.element, unitElement);
       // Flush all tokens, ASTs and elements.
       context.analysisCache.flush((target, result) {
         return result == TOKEN_STREAM ||
             result == PARSED_UNIT ||
             RESOLVED_UNIT_RESULTS.contains(result) ||
             LIBRARY_ELEMENT_RESULTS.contains(result);
       });
       // Compute a new AST with built elements.
       CompilationUnit newUnitFull = context.computeResult(
           new LibrarySpecificUnit(source, source), RESOLVED_UNIT1);
       expect(newUnitFull, isNot(same(newUnit)));
       new _BuiltElementsValidator().isEqualNodes(newUnitFull, newUnit);
     } finally {
-      AnalysisEngine.instance.limitInvalidationInTaskModel = true;
+      analysisOptions.finerGrainedInvalidation = true;
     }
   }
 
   void _buildOldUnit(String oldCode, [Source libSource]) {
     this.oldCode = oldCode;
     source = newSource('/test.dart', oldCode);
     if (libSource == null) {
       libSource = source;
     }
     oldUnit = context.resolveCompilationUnit2(source, libSource);
@@ skipping 132 matching lines @@
     ClassDeclaration oldClass = _findClassNode(oldUnit, name);
     expect(oldClass, isNotNull);
     element = oldClass.element;
     oldMembers = oldClass.members.toList();
   }
 
   ClassDeclaration _findClassNode(CompilationUnit unit, String name) =>
       unit.declarations.singleWhere((unitMember) =>
           unitMember is ClassDeclaration && unitMember.name.name == name);
 }