Unify evaluation of annotations with evaluation of other constants.

pkg/analyzer/lib/src/generated/incremental_resolver.dart

Index: pkg/analyzer/lib/src/generated/incremental_resolver.dart
diff --git a/pkg/analyzer/lib/src/generated/incremental_resolver.dart b/pkg/analyzer/lib/src/generated/incremental_resolver.dart
index bda61322f880868ec681f0342d1bb635834d5195..789ab424947fe66ef48a6405df0f91bf83cbf040 100644
--- a/pkg/analyzer/lib/src/generated/incremental_resolver.dart
+++ b/pkg/analyzer/lib/src/generated/incremental_resolver.dart
@@ -964,9 +964,9 @@ class IncrementalResolver {
     // compute values
     {
       CompilationUnit unit = node.getAncestor((n) => n is CompilationUnit);
-      ConstantValueComputer computer =
-          new ConstantValueComputer(_typeProvider, _context.declaredVariables);
-      computer.add(unit);
+      ConstantValueComputer computer = new ConstantValueComputer(
+          _context, _typeProvider, _context.declaredVariables);
+      computer.add(unit, _source, _librarySource);
       computer.computeValues();
     }
     // validate