Update repo to use dart2js from pkg/compiler.

pkg/analyzer2dart/lib/src/cps_generator.dart

 // Copyright (c) 2014, 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 analyzer2dart.cps_generator;
 
 import 'package:analyzer/analyzer.dart';
 
-import 'package:compiler/implementation/elements/elements.dart' as dart2js;
+import 'package:compiler/src/elements/elements.dart' as dart2js;
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/element.dart' as analyzer;
 
-import 'package:compiler/implementation/dart2jslib.dart'
+import 'package:compiler/src/dart2jslib.dart'
     show DART_CONSTANT_SYSTEM;
-import 'package:compiler/implementation/cps_ir/cps_ir_nodes.dart' as ir;
-import 'package:compiler/implementation/cps_ir/cps_ir_builder.dart';
-import 'package:compiler/implementation/universe/universe.dart';
+import 'package:compiler/src/cps_ir/cps_ir_nodes.dart' as ir;
+import 'package:compiler/src/cps_ir/cps_ir_builder.dart';
+import 'package:compiler/src/universe/universe.dart';
 
 import 'semantic_visitor.dart';
 import 'element_converter.dart';
 import 'util.dart';
 import 'identifier_semantics.dart';
 
 class CpsGeneratingVisitor extends SemanticVisitor<ir.Node>
     with IrBuilderMixin<AstNode> {
   final analyzer.Element element;
   final ElementConverter converter;
@@ skipping 213 matching lines @@
         build(node.condition),
         subbuild(node.thenStatement),
         subbuild(node.elseStatement));
   }
 
   @override
   visitBlock(Block node) {
     irBuilder.buildBlock(node.statements, build);
   }
 }