Defer addStubs to class instantiation time.

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

Index: pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart
diff --git a/pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart b/pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart
index befd7a9eecab363baf9fb7d562ace1830f108a0e..b1f1ba34291c97c8bcfc3ec0369cc85d3105e901 100644
--- a/pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart
+++ b/pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart
@@ -53,17 +53,46 @@ jsAst.Expression getReflectionDataParser(OldEmitter oldEmitter,
   jsAst.Expression metadataAccess =
       emitter.generateEmbeddedGlobalAccess(embeddedNames.METADATA);
 
+
   jsAst.Statement processClassData = js.statement('''{
+  function finishAddStubsHelper() {
+    var prototype = this;
+    var object;
+    while (prototype.#deferredAction) {
+      if (prototype.hasOwnProperty(#deferredActionString)) {
+        delete prototype.#deferredAction; // Intended to make it slow, too.
+        var properties = Object.keys(prototype);
+        for (var index = 0; index < properties.length; index++) {
+          var property = properties[index];
+          var firstChar = property.charCodeAt(0);
+          var elem;
+          if (property !== "${namer.classDescriptorProperty}" &&
+              property !== "$reflectableField" &&
+              firstChar !== 43 && // 43 is aka "+".
+              firstChar !== 42 && // 42 is aka "*"
+              (elem = prototype[property]) != null &&
+              elem.constructor === Array &&
+              property !== "<>") {
+            addStubs(prototype, elem, property, false, null);
+          }
+        }
+      }
+      prototype = prototype.__proto__;
+    }
+  }
+
   function processClassData(cls, descriptor, processedClasses) {
     descriptor = convertToSlowObject(descriptor); // Use a slow object.
     var previousProperty;
     var properties = Object.keys(descriptor);
+    var hasDeferredWork = false;
     for (var i = 0; i < properties.length; i++) {
       var property = properties[i];
       var firstChar = property.charCodeAt(0);
       if (property === "static") {
         processStatics(#embeddedStatics[cls] = descriptor.static,
                        processedClasses);
+        delete descriptor.static;
       } else if (firstChar === 43) { // 43 is aka "+".
         mangledNames[previousProperty] = property.substring(1);
         var flag = descriptor[property];
@@ -82,12 +111,19 @@ jsAst.Expression getReflectionDataParser(OldEmitter oldEmitter,
             elem != null &&
             elem.constructor === Array &&
             property !== "<>") {
-          addStubs(descriptor, elem, property, false, []);
+          if (supportsDirectProtoAccess) {
+            hasDeferredWork = true;
+          } else {
+            addStubs(descriptor, elem, property, false, null);
+          }
         } else {
           previousProperty = property;
         }
       }
     }
+    
+    if (hasDeferredWork)
+      descriptor.#deferredAction = finishAddStubsHelper;
 
     /* The 'fields' are either a constructor function or a
      * string encoding fields, constructor and superclass. Gets the
@@ -128,7 +164,9 @@ jsAst.Expression getReflectionDataParser(OldEmitter oldEmitter,
     processedClasses.collected[cls] = [globalObject, descriptor];
     classes.push(cls);
   }
-}''', {'embeddedStatics': staticsAccess,
+}''', {'deferredAction': namer.deferredAction,
+       'deferredActionString': js.string(namer.deferredAction),
+       'embeddedStatics': staticsAccess,
        'hasRetainedMetadata': backend.hasRetainedMetadata,
        'metadata': metadataAccess,
        'notInCspMode': !compiler.useContentSecurityPolicy});
@@ -195,7 +233,7 @@ jsAst.Expression getReflectionDataParser(OldEmitter oldEmitter,
     }
     var funcs = [descriptor[name] = descriptor[alias] = f];
     f.\$stubName = name;
-    functions.push(name);
+    if (isStatic) functions.push(name);
     for (; index < array.length; index += 2) {
       f = array[index + 1];
       if (typeof f != "function") break;
@@ -203,7 +241,7 @@ jsAst.Expression getReflectionDataParser(OldEmitter oldEmitter,
       funcs.push(f);
       if (f.\$stubName) {
         descriptor[f.\$stubName] = f;
-        functions.push(f.\$stubName);
+        if (isStatic) functions.push(f.\$stubName);
       }
     }
     index++;
@@ -230,10 +268,12 @@ jsAst.Expression getReflectionDataParser(OldEmitter oldEmitter,
       descriptor[name].\$getter = f;
       f.\$getterStub = true;
       // Used to create an isolate using spawnFunction.
-      if (isStatic) #globalFunctions[name] = f;
+      if (isStatic) {
+        #globalFunctions[name] = f;
+        functions.push(getterStubName);
+      }
       descriptor[getterStubName] = f;
       funcs.push(f);
-      if (getterStubName) functions.push(getterStubName);
       f.\$stubName = getterStubName;
       f.\$callName = null;
       // Update the interceptedNames map (which only exists if `invokeOn` was