Revert "Remove Compiler.assembledCode."

pkg/compiler/lib/src/js_emitter/new_emitter/model_emitter.dart

 // Copyright (c) 2014, 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.new_js_emitter.model_emitter;
 
 import '../../dart2jslib.dart' show Compiler;
 import '../../js/js.dart' as js;
 import '../../js_backend/js_backend.dart' show
     JavaScriptBackend,
@@ skipping 20 matching lines @@
       r"$__dart_deferred_initializers__";
 
   static const String deferredExtension = "part.js";
 
   ModelEmitter(Compiler compiler, Namer namer)
       : this.compiler = compiler,
         this.namer = namer,
         constantEmitter =
             new ConstantEmitter(compiler, namer, makeConstantListTemplate);
 
-  int emitProgram(Program program) {
+  void emitProgram(Program program) {
     List<Output> outputs = program.outputs;
     MainOutput mainUnit = outputs.first;
     js.Statement mainAst = emitMainUnit(program);
     String mainCode = js.prettyPrint(mainAst, compiler).getText();
     compiler.outputProvider(mainUnit.outputFileName, 'js')
         ..add(buildGeneratedBy(compiler))
         ..add(mainCode)
         ..close();
-    int totalSize = mainCode.length;
+    compiler.assembledCode = mainCode;
 
     outputs.skip(1).forEach((DeferredOutput deferredUnit) {
       js.Expression ast = emitDeferredUnit(deferredUnit, mainUnit.holders);
       String code = js.prettyPrint(ast, compiler).getText();
-      totalSize += code.length;
       compiler.outputProvider(deferredUnit.outputFileName, deferredExtension)
           ..add(code)
           ..close();
     });
-    return totalSize;
   }
 
   js.LiteralString unparse(Compiler compiler, js.Expression value) {
     String text = js.prettyPrint(value, compiler).getText();
     if (value is js.Fun) text = '($text)';
     return js.js.escapedString(text);
   }
 
   String buildGeneratedBy(compiler) {
     var suffix = '';
@@ skipping 475 matching lines @@
 
   var end = Date.now();
   print('Setup: ' + (end - start) + ' ms.');
 
   #main();  // Start main.
 
 }(Date.now(), #code)
 }""";
 
 }