Break up another large file

pkg/dev_compiler/lib/src/compiler/side_effect_analysis.dart

Index: pkg/dev_compiler/lib/src/compiler/side_effect_analysis.dart
diff --git a/pkg/dev_compiler/lib/src/compiler/side_effect_analysis.dart b/pkg/dev_compiler/lib/src/compiler/side_effect_analysis.dart
index d55c3fb0b7fb1ebfc2ceb0b0baf494df60c42d60..5da18eaa643858a9683ce347afda5baa991e1484 100644
--- a/pkg/dev_compiler/lib/src/compiler/side_effect_analysis.dart
+++ b/pkg/dev_compiler/lib/src/compiler/side_effect_analysis.dart
@@ -6,7 +6,7 @@ import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/visitor.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/generated/constant.dart';
-import 'package:analyzer/src/generated/error.dart'
+import 'package:analyzer/error/listener.dart'
     show AnalysisErrorListener, ErrorReporter;
 import 'package:analyzer/src/generated/resolver.dart' show TypeProvider;
 import 'package:analyzer/src/generated/source.dart' show Source;