Remove calls to registerDependency from within resolution.

pkg/compiler/lib/src/js_backend/backend.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of js_backend;
 
 const VERBOSE_OPTIMIZER_HINTS = false;
 
 class JavaScriptItemCompilationContext extends ItemCompilationContext {
   final Set<HInstruction> boundsChecked = new Set<HInstruction>();
@@ skipping 2930 matching lines @@
       backend.registerConstSymbol(constSymbolName);
     }
 
     for (LocalFunctionElement closure in worldImpact.closures) {
       if (closure.computeType(backend.resolution).containsTypeVariables) {
         backend.compiler.enqueuer.resolution.universe
             .closuresWithFreeTypeVariables.add(closure);
         registerBackendImpact(transformed, impacts.computeSignature);
       }
     }
-    // TODO(johnniwinther): Remove this when dependency tracking is done on
-    // the world impact itself.
-    for (InterfaceType instantiatedType in worldImpact.instantiatedTypes) {
-      transformed.registerInstantiatedType(instantiatedType);
-    }
-    for (Element element in worldImpact.staticUses) {
-      transformed.registerStaticUse(element);
-    }
-
     return transformed;
   }
 
   void registerBackendImpact(TransformedWorldImpact worldImpact,
                              BackendImpact backendImpact) {
     for (Element staticUse in backendImpact.staticUses) {
       assert(staticUse != null);
       backend.registerBackendUse(staticUse);
       worldImpact.registerStaticUse(staticUse);
     }
@@ skipping 47 matching lines @@
 }
 
 /// Records that [constant] is used by the element behind [registry].
 class Dependency {
   final ConstantValue constant;
   final Element annotatedElement;
 
   const Dependency(this.constant, this.annotatedElement);
 }