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 53 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 90 matching lines @@
       handler = (Uri uri, int begin, int end, String message, Diagnostic kind) {
         diagnosticHandler(uri, begin, end, message, kind);
         formattingHandler(uri, begin, end, message, kind);
       };
     }
   } else if (diagnosticHandler == null) {
     handler = (Uri uri, int begin, int end, String message, Diagnostic kind) {};
   }
   return handler;
 }