Removed Dartium SDK libs

pkg/analyzer/lib/src/summary/summary_file_builder.dart

Index: pkg/analyzer/lib/src/summary/summary_file_builder.dart
diff --git a/pkg/analyzer/lib/src/summary/summary_file_builder.dart b/pkg/analyzer/lib/src/summary/summary_file_builder.dart
index d27133f55ef2a4d5d37af5a2763fe8dc7a8c245c..11434ed4bf05548e75c0d1b254e555fdae90a8cd 100644
--- a/pkg/analyzer/lib/src/summary/summary_file_builder.dart
+++ b/pkg/analyzer/lib/src/summary/summary_file_builder.dart
@@ -52,9 +52,6 @@ class SummaryBuilder {
     //
     Set<String> uriSet =
         sdk.sdkLibraries.map((SdkLibrary library) => library.shortName).toSet();
-    if (!strong) {
-      uriSet.add('dart:html/nativewrappers.dart');
-    }
     uriSet.add('dart:html_common/html_common_dart2js.dart');
 
     Set<Source> librarySources = new HashSet<Source>();