Optimize AnalysisContext.getSourcesWithFullName().

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/src/cancelable_future.dart';
@@ skipping 917 matching lines @@
 //    SourceEntry sourceEntry = getReadableSourceEntryOrNull(htmlSource);
 //    if (sourceEntry is HtmlEntry) {
 //      HtmlEntry htmlEntry = sourceEntry;
 //      return htmlEntry.getValue(HtmlEntry.RESOLVED_UNIT);
 //    }
     return null;
   }
 
   @override
   List<Source> getSourcesWithFullName(String path) {
-    List<Source> sources = <Source>[];
-    for (Source source in _cache.sources) {
-      if (source.fullName == path) {
-        sources.add(source);
-      }
-    }
-    return sources;
+    return analysisCache.getSourcesWithFullName(path);
   }
 
   @override
   bool handleContentsChanged(
       Source source, String originalContents, String newContents, bool notify) {
     CacheEntry entry = _cache.get(source);
     if (entry == null) {
       return false;
     }
     bool changed = newContents != originalContents;
@@ skipping 1057 matching lines @@
     PendingFuture pendingFuture =
         new PendingFuture<T>(_context, target, computeValue);
     if (!pendingFuture.evaluate(entry)) {
       _context._pendingFutureTargets
           .putIfAbsent(target, () => <PendingFuture>[])
           .add(pendingFuture);
     }
     return pendingFuture.future;
   }
 }