Support multiple resolution inputs from command line.

tests/compiler/dart2js/memory_compiler.dart

 // Copyright (c) 2016, 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 'dart:async';
 
 import 'package:compiler/compiler.dart' show
     DiagnosticHandler;
@@ skipping 55 matching lines @@
   return handler;
 }
 
 Expando<MemorySourceFileProvider> expando =
     new Expando<MemorySourceFileProvider>();
 
 Future<CompilationResult> runCompiler(
     {Map<String, String> memorySourceFiles: const <String, String>{},
      Uri entryPoint,
      List<Uri> entryPoints,
+     List<Uri> resolutionInputs,
      CompilerDiagnostics diagnosticHandler,
      CompilerOutput outputProvider,
      List<String> options: const <String>[],
      CompilerImpl cachedCompiler,
      bool showDiagnostics: true,
      Uri packageRoot,
      Uri packageConfig,
      PackagesDiscoveryProvider packagesDiscoveryProvider,
      void beforeRun(CompilerImpl compiler)}) async {
   if (entryPoint == null) {
     entryPoint = Uri.parse('memory:main.dart');
   }
   CompilerImpl compiler = compilerFor(
       entryPoint: entryPoint,
+      resolutionInputs: resolutionInputs,
       memorySourceFiles: memorySourceFiles,
       diagnosticHandler: diagnosticHandler,
       outputProvider: outputProvider,
       options: options,
       cachedCompiler: cachedCompiler,
       showDiagnostics: showDiagnostics,
       packageRoot: packageRoot,
       packageConfig: packageConfig,
       packagesDiscoveryProvider: packagesDiscoveryProvider);
   compiler.librariesToAnalyzeWhenRun = entryPoints;
   if (beforeRun != null) {
     beforeRun(compiler);
   }
   bool isSuccess = await compiler.run(entryPoint);
   return new CompilationResult(compiler, isSuccess: isSuccess);
 }
 
 CompilerImpl compilerFor(
     {Uri entryPoint,
+     List<Uri> resolutionInputs,
      Map<String, String> memorySourceFiles: const <String, String>{},
      CompilerDiagnostics diagnosticHandler,
      CompilerOutput outputProvider,
      List<String> options: const <String>[],
      CompilerImpl cachedCompiler,
      bool showDiagnostics: true,
      Uri packageRoot,
      Uri packageConfig,
      PackagesDiscoveryProvider packagesDiscoveryProvider}) {
   Uri libraryRoot = Uri.base.resolve('sdk/');
@@ skipping 23 matching lines @@
   if (outputProvider == null) {
     outputProvider = const NullCompilerOutput();
   }
 
   CompilerImpl compiler = new CompilerImpl(
       provider,
       outputProvider,
       diagnosticHandler,
       new CompilerOptions.parse(
           entryPoint: entryPoint,
+          resolutionInputs: resolutionInputs,
           libraryRoot: libraryRoot,
           packageRoot: packageRoot,
           options: options,
           environment: {},
           packageConfig: packageConfig,
           packagesDiscoveryProvider: packagesDiscoveryProvider));
 
   if (cachedCompiler != null) {
     compiler.coreLibrary =
         cachedCompiler.libraryLoader.lookupLibrary(Uri.parse('dart:core'));
@@ skipping 110 matching lines @@
       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);
 }