Remove Enqueuer argument from Backend.registerStaticUse

pkg/compiler/lib/src/js_backend/enqueuer.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.
 
 library dart2js.js.enqueue;
 
 import 'dart:collection' show Queue;
 
 import '../common/backend_api.dart' show Backend;
 import '../common/codegen.dart' show CodegenWorkItem;
@@ skipping 116 matching lines @@
     }
     queue.add(new CodegenWorkItem(_compiler, element));
     if (options.dumpInfo) {
       // TODO(sigmund): add other missing dependencies (internals, selectors
       // enqueued after allocations), also enable only for the codegen enqueuer.
       _compiler.dumpInfoTask
           .registerDependency(_compiler.currentElement, element);
     }
   }
 
-  /// Apply the [worldImpact] of processing [element] to this enqueuer.
-  void applyImpact(Element element, WorldImpact worldImpact) {
+  void applyImpact(WorldImpact worldImpact, {Element impactSource}) {
     _compiler.impactStrategy
-        .visitImpact(element, worldImpact, impactVisitor, impactUse);
+        .visitImpact(impactSource, worldImpact, impactVisitor, impactUse);
   }
 
   void registerInstantiatedType(InterfaceType type, {bool mirrorUsage: false}) {
     task.measure(() {
       ClassElement cls = type.element;
       bool isNative = backend.isNative(cls);
       _universe.registerTypeInstantiation(type,
           isNative: isNative,
           byMirrors: mirrorUsage, onImplemented: (ClassElement cls) {
         backend.registerImplementedClass(cls, this, globalDependencies);
@@ skipping 355 matching lines @@
    */
   void registerStaticUse(StaticUse staticUse) {
     strategy.processStaticUse(this, staticUse);
   }
 
   void registerStaticUseInternal(StaticUse staticUse) {
     Element element = staticUse.element;
     assert(invariant(element, element.isDeclaration,
         message: "Element ${element} is not the declaration."));
     _universe.registerStaticUse(staticUse);
-    backend.registerStaticUse(element, this);
+    backend.registerStaticUse(element, forResolution: false);
     bool addElement = true;
     switch (staticUse.kind) {
       case StaticUseKind.STATIC_TEAR_OFF:
         backend.registerGetOfStaticFunction(this);
         break;
       case StaticUseKind.FIELD_GET:
       case StaticUseKind.FIELD_SET:
       case StaticUseKind.CLOSURE:
         // TODO(johnniwinther): Avoid this. Currently [FIELD_GET] and
         // [FIELD_SET] contains [BoxFieldElement]s which we cannot enqueue.
@@ skipping 173 matching lines @@
   @override
   void visitStaticUse(StaticUse staticUse) {
     enqueuer.registerStaticUse(staticUse);
   }
 
   @override
   void visitTypeUse(TypeUse typeUse) {
     enqueuer.registerTypeUse(typeUse);
   }
 }