Support multiple resolution inputs from command line.

tests/compiler/dart2js/serialization/impact_test.dart

Index: tests/compiler/dart2js/serialization/impact_test.dart
diff --git a/tests/compiler/dart2js/serialization/impact_test.dart b/tests/compiler/dart2js/serialization/impact_test.dart
index 5b062fef79c859c1b680a2a9403e8217626c438a..3858f70421c426ae41c1474308a68c6f74bddfb3 100644
--- a/tests/compiler/dart2js/serialization/impact_test.dart
+++ b/tests/compiler/dart2js/serialization/impact_test.dart
@@ -16,7 +16,8 @@ import 'test_helper.dart';
 main(List<String> args) {
   Arguments arguments = new Arguments.from(args);
   asyncTest(() async {
-    String serializedData = await serializeDartCore(arguments: arguments);
+    SerializedData serializedData =
+        await serializeDartCore(arguments: arguments);
     if (arguments.filename != null) {
       Uri entryPoint = Uri.base.resolve(nativeToUriPath(arguments.filename));
       await check(serializedData, entryPoint);
@@ -30,7 +31,7 @@ main(List<String> args) {
 }
 
 Future check(
-  String serializedData,
+  SerializedData serializedData,
   Uri entryPoint,
   {Map<String, String> sourceFiles: const <String, String>{},
    bool verbose: false}) async {
@@ -42,10 +43,10 @@ Future check(
   await compilerNormal.run(entryPoint);
 
   Compiler compilerDeserialized = compilerFor(
-      memorySourceFiles: sourceFiles,
+      memorySourceFiles: serializedData.toMemorySourceFiles(sourceFiles),
+      resolutionInputs: serializedData.toUris(),
       options: [Flags.analyzeAll]);
   compilerDeserialized.resolution.retainCachesForTesting = true;
-  compilerDeserialized.serialization.deserializeFromText(serializedData);
   await compilerDeserialized.run(entryPoint);
 
   checkAllImpacts(compilerNormal, compilerDeserialized, verbose: verbose);