Remove scanBuiltinLibraries.

tests/compiler/dart2js/memory_compiler.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dart2js.test.memory_compiler;
 
 import 'memory_source_file_helper.dart';
 
 import '../../../sdk/lib/_internal/compiler/implementation/dart2jslib.dart'
        show NullSink;
@@ skipping 109 matching lines @@
 Compiler compilerFor(Map<String,String> memorySourceFiles,
                      {DiagnosticHandler diagnosticHandler,
                       CompilerOutputProvider outputProvider,
                       List<String> options: const [],
                       Compiler cachedCompiler,
                       bool showDiagnostics: true,
                       Uri packageRoot}) {
   Uri libraryRoot = Uri.base.resolve('sdk/');
   Uri script = Uri.base.resolveUri(Platform.script);
   if (packageRoot == null) {
-    packageRoot = Uri.base.resolve('${Platform.packageRoot}/');
+    packageRoot = Uri.base.resolveUri(new Uri.file('${Platform.packageRoot}/'));
   }
 
   MemorySourceFileProvider provider;
   var readStringFromUri;
   if (cachedCompiler == null) {
     provider = new MemorySourceFileProvider(memorySourceFiles);
     readStringFromUri = provider.readStringFromUri;
     // Saving the provider in case we need it later for a cached compiler.
     expando[readStringFromUri] = provider;
   } else {
@@ skipping 18 matching lines @@
   Compiler compiler = new Compiler(readStringFromUri,
                                    outputProvider,
                                    handler,
                                    libraryRoot,
                                    packageRoot,
                                    options,
                                    {});
   if (cachedCompiler != null) {
     compiler.coreLibrary = cachedCompiler.libraries['dart:core'];
     compiler.types = cachedCompiler.types.copy(compiler);
+    Map copiedLibraries = {};
     cachedCompiler.libraries.forEach((String uri, library) {
       if (library.isPlatformLibrary) {
+        compiler.onLibraryCreated(library);
         compiler.libraries[uri] = library;
-        compiler.onLibraryLoaded(library, library.canonicalUri);
+        compiler.onLibraryScanned(library);
+        copiedLibraries[library.canonicalUri] = library;
       }
     });
+    // TODO(johnniwinther): Assert that no libraries are loaded lazily from
+    // this call.
+    compiler.onLibrariesLoaded(copiedLibraries);
 
     compiler.symbolConstructor = cachedCompiler.symbolConstructor;
     compiler.mirrorSystemClass = cachedCompiler.mirrorSystemClass;
     compiler.mirrorsUsedClass = cachedCompiler.mirrorsUsedClass;
     compiler.mirrorSystemGetNameFunction =
         cachedCompiler.mirrorSystemGetNameFunction;
     compiler.symbolImplementationClass =
         cachedCompiler.symbolImplementationClass;
     compiler.symbolValidatedConstructor =
         cachedCompiler.symbolValidatedConstructor;
@@ skipping 32 matching lines @@
     cachedCompiler.buildId = null;
   }
   return compiler;
 }
 
 Future<MirrorSystem> mirrorSystemFor(Map<String,String> memorySourceFiles,
                                      {DiagnosticHandler diagnosticHandler,
                                       List<String> options: const [],
                                       bool showDiagnostics: true}) {
   Uri libraryRoot = Uri.base.resolve('sdk/');
-  Uri packageRoot = Uri.base.resolve('${Platform.packageRoot}/');
+  Uri packageRoot = Uri.base.resolveUri(
+      new Uri.file('${Platform.packageRoot}/'));
   Uri script = Uri.base.resolveUri(Platform.script);
 
   var provider = new MemorySourceFileProvider(memorySourceFiles);
   var handler =
       createDiagnosticHandler(diagnosticHandler, provider, showDiagnostics);
 
   List<Uri> libraries = <Uri>[];
   memorySourceFiles.forEach((String path, _) {
     libraries.add(new Uri(scheme: 'memory', path: path));
   });
 
   return analyze(libraries, libraryRoot, packageRoot,
                  provider, handler, options);
 }