Introduces the new syntax for deferred loading

sdk/lib/_internal/compiler/implementation/library_loader.dart

Index: sdk/lib/_internal/compiler/implementation/library_loader.dart
diff --git a/sdk/lib/_internal/compiler/implementation/library_loader.dart b/sdk/lib/_internal/compiler/implementation/library_loader.dart
index 7daad88fd66af583eaa230139b6ead656d084a66..5ae77f5a1b3be63d7bdf8ec0903ad24c25c7f834 100644
--- a/sdk/lib/_internal/compiler/implementation/library_loader.dart
+++ b/sdk/lib/_internal/compiler/implementation/library_loader.dart
@@ -556,6 +556,12 @@ class ImportLink {
         if (combinatorFilter.exclude(element)) return;
         prefixElement.addImport(element, import, compiler);
       });
+      if (import.isDeferred) {
+        prefixElement.addImport(
+            new DeferredLoaderFunctionElementX(prefixElement),
+            import, compiler);
+        prefixElement.markAsDeferred(import);

[Johnni Winther, 2014/03/18 12:29:14]

Add a TODO to make (a deferred) [import] an argument to the constructor of
PrefixElementX.

[sigurdm, 2014/03/20 12:26:33]

Done.

+      }
     } else {
       importedLibrary.forEachExport((Element element) {
         compiler.withCurrentElement(importingLibrary, () {