Decouple SSA builder from codegen-work-item

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 cdd4b271512287e0187c83ea5dd854e50f864bea..aef3d03f3cad7f2a7407a8a7265d4c95f685cca2 100644
--- a/pkg/compiler/lib/src/common/codegen.dart
+++ b/pkg/compiler/lib/src/common/codegen.dart
@@ -67,12 +67,6 @@ class CodegenRegistry extends Registry {
     treeElements.registerDependency(element);
   }
 
-  void registerInlining(Element inlinedElement, Element context) {
-    if (compiler.dumpInfo) {
-      compiler.dumpInfoTask.registerInlined(inlinedElement, context);
-    }
-  }
-
   void registerInstantiatedClass(ClassElement element) {
     backend.registerInstantiatedType(element.rawType, world, this);
   }