Remove Compiler.assembledCode.

pkg/compiler/lib/src/js_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 js_backend;
 
 const VERBOSE_OPTIMIZER_HINTS = false;
 
 const bool USE_CPS_IR = const bool.fromEnvironment("USE_CPS_IR");
 
@@ skipping 1241 matching lines @@
   /**
    * Unit test hook that returns code of an element as a String.
    *
    * Invariant: [element] must be a declaration element.
    */
   String assembleCode(Element element) {
     assert(invariant(element, element.isDeclaration));
     return jsAst.prettyPrint(generatedCode[element], compiler).getText();
   }
 
-  void assembleProgram() {
-    emitter.assembleProgram();
+  int assembleProgram() {
+    int programSize = emitter.assembleProgram();
     int totalMethodCount = generatedCode.length;
     if (totalMethodCount != preMirrorsMethodCount) {
       int mirrorCount = totalMethodCount - preMirrorsMethodCount;
       double percentage = (mirrorCount / totalMethodCount) * 100;
       compiler.reportHint(
           compiler.mainApp, MessageKind.MIRROR_BLOAT,
           {'count': mirrorCount,
            'total': totalMethodCount,
            'percentage': percentage.round()});
       for (LibraryElement library in compiler.libraryLoader.libraries) {
         if (library.isInternalLibrary) continue;
         for (LibraryTag tag in library.tags) {
           Import importTag = tag.asImport();
           if (importTag == null) continue;
           LibraryElement importedLibrary = library.getLibraryFromTag(tag);
           if (importedLibrary != compiler.mirrorsLibrary) continue;
           MessageKind kind =
               compiler.mirrorUsageAnalyzerTask.hasMirrorUsage(library)
               ? MessageKind.MIRROR_IMPORT
               : MessageKind.MIRROR_IMPORT_NO_USAGE;
           compiler.withCurrentElement(library, () {
             compiler.reportInfo(importTag, kind);
           });
         }
       }
     }
+    return programSize;
   }
 
   Element getDartClass(Element element) {
     for (ClassElement dartClass in implementationClasses.keys) {
       if (element == implementationClasses[dartClass]) {
         return dartClass;
       }
     }
     return element;
   }
@@ skipping 1206 matching lines @@
   }
 }
 
 /// Records that [constant] is used by the element behind [registry].
 class Dependency {
   final ConstantValue constant;
   final Element annotatedElement;
 
   const Dependency(this.constant, this.annotatedElement);
 }