dart2js: Let the emitter generate the program.

pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart

Index: pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart b/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
index b5ea9885d4b27ffac3e14229bc5b84739a618e15..3c014c88118bd8fb01916bb7b77da3804f568a39 100644
--- a/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
@@ -1790,7 +1790,9 @@ function(originalDescriptor, name, holder, isStatic, globalFunctionsAccess) {
     return nativeBuffer;
   }
 
-  int emitProgram(Program program) {
+  int emitProgram(ProgramBuilder programBuilder) {
+    Program program = programBuilder.buildProgram();
+
     // Shorten the code by using [namer.currentIsolate] as temporary.
     isolateProperties = namer.currentIsolate;