Handle dart:html in kernel_impact

pkg/compiler/lib/src/common/names.dart

Index: pkg/compiler/lib/src/common/names.dart
diff --git a/pkg/compiler/lib/src/common/names.dart b/pkg/compiler/lib/src/common/names.dart
index 56d826c960b757c2438f873619a8e99c7e39cdde..06ef3607f37f1803fbbc9dd9087a00009f459e2a 100644
--- a/pkg/compiler/lib/src/common/names.dart
+++ b/pkg/compiler/lib/src/common/names.dart
@@ -171,4 +171,13 @@ class Uris {
   /// The URI for 'dart:_native_typed_data'.
   static final Uri dart__native_typed_data =
       new Uri(scheme: 'dart', path: '_native_typed_data');
+
+  /// The URI for 'dart:svg'.
+  static final Uri dart_svg = new Uri(scheme: 'dart', path: 'svg');
+
+  /// The URI for 'dart:web_audio'.
+  static final Uri dart_web_audio = new Uri(scheme: 'dart', path: 'web_audio');
+
+  /// The URI for 'dart:web_gl'.
+  static final Uri dart_web_gl = new Uri(scheme: 'dart', path: 'web_gl');
 }