Analyzer 0.27.4-alpha.9 (API fixes) (#26562).

pkg/analyzer/lib/source/embedder.dart

Index: pkg/analyzer/lib/source/embedder.dart
diff --git a/pkg/analyzer/lib/source/embedder.dart b/pkg/analyzer/lib/source/embedder.dart
index a1b4ea69852ea407f54fdf8ffd92d2b21149acbd..1b43e00f5d8ae90ecfabffe5b34ade752ebcf9f6 100644
--- a/pkg/analyzer/lib/source/embedder.dart
+++ b/pkg/analyzer/lib/source/embedder.dart
@@ -43,7 +43,7 @@ class EmbedderSdk implements DartSdk {
 
   EmbedderSdk([Map<Folder, YamlMap> embedderYamls]) {
     embedderYamls?.forEach(_processEmbedderYaml);
-    _resolver = new EmbedderUriResolver(this);
+    _resolver = new EmbedderUriResolver._forSdk(this);
   }
 
   @override
@@ -211,7 +211,11 @@ class EmbedderUriResolver implements DartUriResolver {
 
   /// Construct a [EmbedderUriResolver] from a package map
   /// (see [PackageMapProvider]).
-  EmbedderUriResolver(this._embedderSdk) {
+  EmbedderUriResolver(Map<Folder, YamlMap> embedderMap) :
+      this._forSdk(new EmbedderSdk(embedderMap));
+
+  /// (Provisional API.)
+  EmbedderUriResolver._forSdk(this._embedderSdk) {
     _dartUriResolver = new DartUriResolver(_embedderSdk);
   }