Various cleanup

lib/src/codegen/side_effect_analysis.dart

Index: lib/src/codegen/side_effect_analysis.dart
diff --git a/lib/src/codegen/side_effect_analysis.dart b/lib/src/codegen/side_effect_analysis.dart
index 9b58c653d2324dce72a1f1f2eafcecbcdd1ebd2e..92b4ac8f280f73fb89851a3e3b619ffd5a4b9013 100644
--- a/lib/src/codegen/side_effect_analysis.dart
+++ b/lib/src/codegen/side_effect_analysis.dart
@@ -51,7 +51,8 @@ bool isStateless(FunctionBody function, Expression node, [AstNode context]) {
 
 /// Returns true if the local variable is potentially mutated within [context].
 /// This accounts for closures that may have been created outside of [context].
-bool _isPotentiallyMutated(FunctionBody function, VariableElement e, [AstNode context]) {
+bool _isPotentiallyMutated(FunctionBody function, VariableElement e,
+    [AstNode context]) {
   if (function.isPotentiallyMutatedInClosure(e)) return true;
   if (function.isPotentiallyMutatedInScope(e)) {
     // Need to visit the context looking for assignment to this local.