dart2js: Move metadata from old_emitter to shared directory.

pkg/compiler/lib/src/js_emitter/metadata_emitter.dart

Index: pkg/compiler/lib/src/js_emitter/metadata_emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/old_emitter/metadata_emitter.dart b/pkg/compiler/lib/src/js_emitter/metadata_emitter.dart
similarity index 89%
rename from pkg/compiler/lib/src/js_emitter/old_emitter/metadata_emitter.dart
rename to pkg/compiler/lib/src/js_emitter/metadata_emitter.dart
index 4366c6d7d8da10379fdf02c7ec7396cd4f0a60ec..4e689b7d075342bbd432b0ec1bc74c19f1e1b67d 100644
--- a/pkg/compiler/lib/src/js_emitter/old_emitter/metadata_emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/metadata_emitter.dart
@@ -103,23 +103,6 @@ class MetadataEmitter extends CodeEmitterHelper {
     });
   }
 
-  void emitMetadata(CodeOutput output) {

[floitsch, 2015/01/29 14:36:30]

Moved to the oldEmitter.

-    String metadataAccess = emitter.generateEmbeddedGlobalAccessString(
-          embeddedNames.METADATA);
-    output.add('$metadataAccess$_=$_[');
-    for (String metadata in globalMetadata) {
-      if (metadata is String) {
-        if (metadata != 'null') {
-          output.add(metadata);
-        }
-      } else {
-        throw 'Unexpected value in metadata: ${Error.safeToString(metadata)}';
-      }
-      output.add(',$n');
-    }
-    output.add('];$n');
-  }
-
   List<int> computeMetadata(FunctionElement element) {
     return compiler.withCurrentElement(element, () {
       if (!mustEmitMetadataFor(element)) return const <int>[];