Deprecate EmbedderUriResolver

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 452550897da94887cfaeac82b475e219c0bf97ca..2ad20d6613ae38364d8578b49149f2c550296538 100644
--- a/pkg/analyzer/lib/source/embedder.dart
+++ b/pkg/analyzer/lib/source/embedder.dart
@@ -128,6 +128,19 @@ class EmbedderSdk extends AbstractDartSdk {
 ///
 /// If a key doesn't begin with `dart:` it is ignored.
 ///
+/// This class is deprecated; use DartUriResolver directly. In particular, if
+/// there used to be an instance creation of the form:
+///
+/// ```
+/// new EmbedderUriResolver(embedderMap)
+/// ```
+///
+/// This should be replaced by
+///
+/// ```
+/// new DartUriResolver(new EmbedderSdk(embedderMap))
+/// ```
+@deprecated
 class EmbedderUriResolver implements DartUriResolver {
   EmbedderSdk _embedderSdk;
   DartUriResolver _dartUriResolver;