Revert "Remove Compiler.assembledCode."

pkg/compiler/lib/src/dart_backend/backend.dart

 // Copyright (c) 2012, 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.
 
 part of dart_backend;
 
 // TODO(ahe): This class is simply wrong.  This backend should use
 // elements when it can, not AST nodes.  Perhaps a [Map<Element,
 // TreeElements>] is what is needed.
 class ElementAst {
@@ skipping 175 matching lines @@
    * Object should not be in the resulting code.
    */
   @override
   bool shouldOutput(Element element) {
     return (!element.library.isPlatformLibrary &&
             !element.isSynthesized &&
             element is! AbstractFieldElement)
         || mirrorRenamer.isMirrorHelperLibrary(element.library);
   }
 
-  int assembleProgram() {
+  void assembleProgram() {
     ElementAstCreationContext context =
         new _ElementAstCreationContext(compiler, constantSystem);
 
     ElementAst computeElementAst(AstElement element) {
       if (!compiler.irBuilder.hasIr(element)) {
         return new ElementAst(element.resolvedAst.node,
                               element.resolvedAst.elements);
       } else {
         cps_ir.ExecutableDefinition definition =
             compiler.irBuilder.getIr(element);
         return createElementAst(context, element, definition);
       }
     }
 
     // TODO(johnniwinther): Remove the need for this method.
     void postProcessElementAst(
         AstElement element, ElementAst elementAst,
         newTypedefElementCallback,
         newClassElementCallback) {
       ReferencedElementCollector collector =
           new ReferencedElementCollector(compiler,
                                          element,
                                          elementAst,
                                          newTypedefElementCallback,
                                          newClassElementCallback);
       collector.collect();
     }
 
-    int totalSize = outputter.assembleProgram(
+    String assembledCode = outputter.assembleProgram(
         libraries: compiler.libraryLoader.libraries,
         instantiatedClasses: compiler.resolverWorld.directlyInstantiatedClasses,
         resolvedElements: compiler.enqueuer.resolution.resolvedElements,
         usedTypeLiterals: usedTypeLiterals,
         postProcessElementAst: postProcessElementAst,
         computeElementAst: computeElementAst,
         shouldOutput: shouldOutput,
         isSafeToRemoveTypeDeclarations: isSafeToRemoveTypeDeclarations,
         sortElements: sortElements,
         mirrorRenamer: mirrorRenamer,
         mainFunction: compiler.mainFunction,
         outputUri: compiler.outputUri);
+    compiler.assembledCode = assembledCode;
+
+    int totalSize = assembledCode.length;
 
     // Output verbose info about size ratio of resulting bundle to all
     // referenced non-platform sources.
     logResultBundleSizeInfo(
         outputter.libraryInfo.userLibraries,
         outputter.elementInfo.topLevelElements,
-        totalSize);
-
-    return totalSize;
+        assembledCode.length);
   }
 
   void logResultBundleSizeInfo(Iterable<LibraryElement> userLibraries,
                                Iterable<Element> topLevelElements,
                                int totalOutputSize) {
     // Sum total size of scripts in each referenced library.
     int nonPlatformSize = 0;
     for (LibraryElement lib in userLibraries) {
       for (CompilationUnitElement compilationUnit in lib.compilationUnits) {
         nonPlatformSize += compilationUnit.script.file.length;
@@ skipping 285 matching lines @@
   }
 
   void traceGraph(String title, var irObject) {
     compiler.tracer.traceGraph(title, irObject);
   }
 
   DartTypes get dartTypes => compiler.types;
 
   InternalErrorFunction get internalError => compiler.internalError;
 }