fix(compiler): minor cleanups and fixes

Part of #3605

modules/angular2/src/compiler/change_detector_compiler.ts

@@ -41,12 +41,10 @@ export class ChangeDetectionCompiler {
   }
 
   private _createChangeDetectorFactory(definition: ChangeDetectorDefinition): Function {
-    if (IS_DART) {
+    if (IS_DART || !this._genConfig.useJit) {
       var proto = new DynamicProtoChangeDetector(definition);
       return (dispatcher) => proto.instantiate(dispatcher);
     } else {
-      // TODO(tbosch): provide a flag in _genConfig whether to allow eval or fall back to dynamic
-      // change detection as well!
       return new ChangeDetectorJITGenerator(definition, UTIL, ABSTRACT_CHANGE_DETECTOR).generate();
     }
   }

modules/angular2/src/compiler/template_compiler.ts

@@ -35,6 +35,10 @@ export class TemplateCompiler {
 
   normalizeDirectiveMetadata(directive:
                                  CompileDirectiveMetadata): Promise<CompileDirectiveMetadata> {
+    if (!directive.isComponent) {
+      // For non components there is nothing to be normalized yet.
+      return PromiseWrapper.resolve(directive);
+    }
     var normalizedTemplatePromise;
     if (directive.isComponent) {
       normalizedTemplatePromise =

modules/angular2/src/core/compiler/template_commands.ts

@@ -15,6 +15,10 @@ import {
  */
 @CONST()
 export class CompiledTemplate {
+  static getChangeDetectorFromData(data: any[]): Function { return data[0]; }
+  static getCommandsFromData(data: any[]): TemplateCmd[] { return data[1]; }
+  static getSylesFromData(data: any[]): string[] { return data[2]; }
+
   // Note: paramGetter is a function so that we can have cycles between templates!
   // paramGetter returns a tuple with:
   // - ChangeDetector factory function
@@ -91,13 +95,11 @@ export function endElement(): TemplateCmd {
 export class BeginComponentCmd implements TemplateCmd, IBeginElementCmd, RenderBeginComponentCmd {
   isBound: boolean = true;
   templateId: number;
-  component: Type;
   constructor(public name: string, public attrNameAndValues: string[],
               public eventTargetAndNames: string[],
               public variableNameAndValues: Array<string | number>, public directives: Type[],
               public nativeShadow: boolean, public ngContentIndex: number,
               public template: CompiledTemplate) {
-    this.component = directives[0];
     this.templateId = template.id;
   }
   visit(visitor: RenderCommandVisitor, context: any): any {