pkg/compiler: fix imports

pkg/compiler/lib/src/cps_ir/eagerly_load_statics.dart

 // Copyright (c) 2015, 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.cps_ir.eagerly_load_statics;
 
+import '../elements/elements.dart';
+import 'cps_fragment.dart';
 import 'cps_ir_nodes.dart';
 import 'optimizers.dart' show Pass;
-import '../elements/elements.dart';
-import 'cps_fragment.dart';
 
 /// Replaces [GetLazyStatic] with [GetStatic] when the static field is known
 /// to have been initialized.
 ///
 /// Apart from [GetStatic] generating better code, this improves the side-effect
 /// analysis in the [GVN] pass, since [GetStatic] has no effects.
 class EagerlyLoadStatics extends TrampolineRecursiveVisitor implements Pass {
   String get passName => 'Eagerly load statics';
 
   Map<FieldElement, Primitive> initializerFor = <FieldElement, Primitive>{};
@@ skipping 46 matching lines @@
       node.replaceWith(newNode);
     } else {
       initializerFor[node.element] = node;
     }
   }
 
   void visitSetStatic(SetStatic node) {
     initializerFor.putIfAbsent(node.element, () => node);
   }
 }