expose strong checker API, for use by analyzer_cli

lib/src/dependency_graph.dart

Index: lib/src/dependency_graph.dart
diff --git a/lib/src/dependency_graph.dart b/lib/src/dependency_graph.dart
index 99e7d0e77aa8c060e80fecd0ec4c7ef354f85372..12d5eb9c4a67f8458dbb5400e6d026e3d5d5fdad 100644
--- a/lib/src/dependency_graph.dart
+++ b/lib/src/dependency_graph.dart
@@ -44,7 +44,7 @@ class SourceGraph {
 
   /// Analyzer used to resolve source files.
   final AnalysisContext _context;
-  final CheckerReporter _reporter;
+  final CompilerReporter _reporter;
   final CompilerOptions _options;
 
   SourceGraph(this._context, this._reporter, this._options) {
@@ -78,7 +78,7 @@ class SourceGraph {
     });
   }
 
-  List<String> get resources => _options.resources;
+  List<String> get resources => _options.sourceOptions.resources;
 }
 
 /// A node in the import graph representing a source file.