Load patches via callback.

site/try/src/caching_compiler.dart

 // Copyright (c) 2013, 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 trydart.caching_compiler;
 
 import 'dart:profiler' show
     UserTag;
 
 import 'package:compiler/compiler.dart' show
     CompilerInputProvider,
     CompilerOutputProvider,
     Diagnostic,
     DiagnosticHandler;
 
 import 'package:compiler/implementation/apiimpl.dart' show
     Compiler;
 
 import 'package:compiler/implementation/dart2jslib.dart' show
-    LibraryLoaderTask, // TODO(ahe): Remove this import.

[ahe, 2014/06/24 09:49:20]

Changes in this file, LGTM!

     NullSink;
 
 import 'package:compiler/implementation/js_backend/js_backend.dart' show
     JavaScriptBackend;
 
 import 'package:compiler/implementation/elements/elements.dart' show
     LibraryElement;
 
-void clearLibraryLoader(LibraryLoaderTask libraryLoader) {
-  // TODO(ahe): Move this method to [LibraryLoader].
-  libraryLoader
-      ..libraryResourceUriMap.clear()
-      ..libraryNames.clear();
-}
-
-void reuseLibrary(
-    LibraryLoaderTask libraryLoader,
-    LibraryElement library) {
-  // TODO(ahe): Move this method to [LibraryLoader].
-  String name = library.getLibraryOrScriptName();
-  Uri resourceUri = library.entryCompilationUnit.script.resourceUri;
-  libraryLoader
-      ..libraryResourceUriMap[resourceUri] = library
-      ..libraryNames[name] = library;
-}
-
 Compiler reuseCompiler(
     {DiagnosticHandler diagnosticHandler,
      CompilerInputProvider inputProvider,
      CompilerOutputProvider outputProvider,
      List<String> options: const [],
      Compiler cachedCompiler,
      Uri libraryRoot,
      Uri packageRoot,
      bool packagesAreImmutable: false}) {
   UserTag oldTag = new UserTag('reuseCompiler').makeCurrent();
@@ skipping 102 matching lines @@
         ..precompiledFunction.clear()
         ..precompiledConstructorNames.clear()
         ..hasMakeConstantList = false
         ..elementDescriptors.clear();
 
     backend
         ..preMirrorsMethodCount = 0;
 
     Map libraries = new Map.from(compiler.libraries);
     compiler.libraries.clear();
-    clearLibraryLoader(compiler.libraryLoader);
+    compiler.libraryLoader.reset();
     libraries.forEach((String uri, LibraryElement library) {
       if (library.isPlatformLibrary ||
           (packagesAreImmutable && library.isPackageLibrary)) {
         compiler.libraries[uri] = library;
-        reuseLibrary(compiler.libraryLoader, library);
+        compiler.libraryLoader.reuseLibrary(library);
       }
     });
   }
   oldTag.makeCurrent();
   return compiler;
 }