Register inlining as a StaticUse

pkg/compiler/lib/src/common/codegen.dart

Index: pkg/compiler/lib/src/common/codegen.dart
diff --git a/pkg/compiler/lib/src/common/codegen.dart b/pkg/compiler/lib/src/common/codegen.dart
index e8126816aae65389227e0a82fcecbb65e13cff6d..c733c1cad25f9bdfb29879fc4b83be04b2ed36b7 100644
--- a/pkg/compiler/lib/src/common/codegen.dart
+++ b/pkg/compiler/lib/src/common/codegen.dart
@@ -161,11 +161,6 @@ class CodegenRegistry {
 
   String toString() => 'CodegenRegistry for $currentElement';
 
-  /// Add the uses in [impact] to the impact of this registry.
-  void addImpact(WorldImpact impact) {
-    worldImpact.addImpact(impact);
-  }
-
   @deprecated
   void registerInstantiatedClass(ClassElement element) {
     registerInstantiation(element.rawType);