Validate only private sources, display statistics.

pkg/analyzer/lib/src/context/context.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.src.context.context;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 1361 matching lines @@
     entry.setState(RESOLVED_UNIT12, CacheState.FLUSHED);
     entry.setState(RESOLVED_UNIT13, CacheState.FLUSHED);
     entry.setState(RESOLVED_UNIT, CacheState.FLUSHED);
   }
 
   @override
   bool validateCacheConsistency() {
     int consistencyCheckStart = JavaSystem.nanoTime();
     HashSet<Source> changedSources = new HashSet<Source>();
     HashSet<Source> missingSources = new HashSet<Source>();
-    for (Source source in _cache.sources) {
-      CacheEntry entry = _cache.get(source);
+    for (Source source in _privatePartition.sources) {
+      CacheEntry entry = _privatePartition.get(source);
       int sourceTime = getModificationStamp(source);
       if (sourceTime != entry.modificationTime) {
         changedSources.add(source);
+        PerformanceStatistics
+            .cacheConsistencyValidationStatistics.numOfModified++;
       }
       if (entry.exception != null) {
         if (!exists(source)) {
           missingSources.add(source);
+          PerformanceStatistics
+              .cacheConsistencyValidationStatistics.numOfModified++;
         }
       }
     }
     for (Source source in changedSources) {
       _sourceChanged(source);
     }
     int removalCount = 0;
     for (Source source in missingSources) {
       if (getLibrariesContaining(source).isEmpty &&
           getLibrariesDependingOn(source).isEmpty) {
@@ skipping 861 matching lines @@
     }
     DartSdk sdk = factory.dartSdk;
     if (sdk == null) {
       throw new IllegalArgumentException(
           "The source factory for an SDK analysis context must have a DartUriResolver");
     }
     return new AnalysisCache(
         <CachePartition>[AnalysisEngine.instance.partitionManager.forSdk(sdk)]);
   }
 }