fix #27607, add dev_compiler summary to the SDK and move JS files

pkg/dev_compiler/web/web_command.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.
 @JS()
 library dev_compiler.web.web_command;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:html' show HttpRequest;
 
@@ skipping 179 matching lines @@
         }
         sb.write(body);
         sourceCode = sb.toString();
       }
       resourceProvider.newFile(fileName, sourceCode);
 
       var unit = new BuildUnit(libraryName, "", [fileName], _moduleForLibrary);
 
       JSModuleFile module = compiler.compile(unit, compilerOptions);
 
-      var moduleCode = module.isValid
-          ? module
-              .getCode(ModuleFormat.legacy, true, unit.name, unit.name + '.map')
-              .code
-          : '';
+      var moduleCode = '';
+      if (module.isValid) {
+        moduleCode = module
+            .getCode(ModuleFormat.legacy, unit.name, unit.name + '.map',
+                singleOutFile: true)
+            .code;
+      }
 
       return new CompileResult(
           code: moduleCode, isValid: module.isValid, errors: module.errors);
     };
 
     return allowInterop(compileFn);
   }
 }
 
 // Given path, determine corresponding dart library.
 String _moduleForLibrary(source) {
   if (source is InSummarySource) {
     return source.summaryPath.substring(1).replaceAll('.api.ds', '');
   }
   return source.toString().substring(1).replaceAll('.dart', '');
 }
 
 /// Thrown when the input source code has errors.
 class CompileErrorException implements Exception {
   toString() => '\nPlease fix all errors before compiling (warnings are okay).';
 }