Mark static function getters as used in codegen.

pkg/compiler/lib/src/ssa/builder.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 ssa;
 
 class SsaFunctionCompiler implements FunctionCompiler {
   SsaCodeGeneratorTask generator;
   SsaBuilderTask builder;
   SsaOptimizerTask optimizer;
@@ skipping 3408 matching lines @@
     generateInstanceGetterWithCompiledReceiver(
         node, elements.getSelector(node), elements.getTypeMask(node), receiver);
   }
 
   /// Generate a closurization of the static or top level [function].
   void generateStaticFunctionGet(ast.Send node, MethodElement function) {
     generateIsDeferredLoadedCheckOfSend(node);
     // TODO(5346): Try to avoid the need for calling [declaration] before
     // creating an [HStatic].
     push(new HStatic(function.declaration, backend.nonNullType));
-    // TODO(ahe): This should be registered in codegen.
-    registry.registerGetOfStaticFunction(function.declaration);
   }
 
   /// Read a local variable, function or parameter.
   void handleLocalGet(LocalElement local) {
     stack.add(localsHandler.readLocal(local));
   }
 
   @override
   void visitDynamicPropertyGet(
       ast.Send node,
@@ skipping 5245 matching lines @@
     if (unaliased is TypedefType) throw 'unable to unalias $type';
     unaliased.accept(this, builder);
   }
 
   void visitDynamicType(DynamicType type, SsaBuilder builder) {
     JavaScriptBackend backend = builder.compiler.backend;
     ClassElement cls = backend.findHelper('DynamicRuntimeType');
     builder.push(new HDynamicType(type, new TypeMask.exact(cls, classWorld)));
   }
 }