Prioritize scheduling analysis for priority sources.

pkg/analyzer/test/src/context/context_test.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 test.src.context.context_test;
 
 import 'dart:async';
 
 import 'package:analyzer/src/cancelable_future.dart';
 import 'package:analyzer/src/context/cache.dart';
@@ skipping 2015 matching lines @@
   ClassElement _findClass(CompilationUnitElement unit, String className) {
     for (ClassElement classElement in unit.types) {
       if (classElement.displayName == className) {
         return classElement;
       }
     }
     return null;
   }
 
   void _flushAst(Source source) {
-    CacheEntry entry = context.getReadableSourceEntryOrNull(new LibrarySpecificUnit(source, source));
+    CacheEntry entry = context
+        .getReadableSourceEntryOrNull(new LibrarySpecificUnit(source, source));
     entry.setState(RESOLVED_UNIT, CacheState.FLUSHED);
   }
 
   IncrementalAnalysisCache _getIncrementalAnalysisCache(
       AnalysisContextImpl context2) {
     return context2.test_incrementalAnalysisCache;
   }
 
   List<Source> _getPriorityOrder(AnalysisContextImpl context2) {
     return context2.test_priorityOrder;
@@ skipping 71 matching lines @@
       : super(name, UriKind.FILE_URI);
 
   @override
   TimestampedData<String> get contents {
     throw 'Read error';
   }
 
   @override
   bool exists() => true;
 }