Remove Math and most uses of PrintStringWriter

pkg/analyzer/lib/src/generated/utilities_collection.dart

Index: pkg/analyzer/lib/src/generated/utilities_collection.dart
diff --git a/pkg/analyzer/lib/src/generated/utilities_collection.dart b/pkg/analyzer/lib/src/generated/utilities_collection.dart
index f89d69f6ff5607a402b2b64e8b14688dab869948..aa7192622dede4c86d4f4e76037f0e4bb3323424 100644
--- a/pkg/analyzer/lib/src/generated/utilities_collection.dart
+++ b/pkg/analyzer/lib/src/generated/utilities_collection.dart
@@ -8,6 +8,8 @@
 library engine.utilities.collection;
 
 import 'dart:collection';
+import "dart:math" as math;
+
 import 'java_core.dart';
 import 'scanner.dart' show Token;
 
@@ -440,10 +442,10 @@ class DirectedGraph_SccFinder<N> {
         if (wInfo == null) {
           // Successor w has not yet been visited; recurse on it
           wInfo = _strongConnect(w);
-          vInfo.lowlink = Math.min(vInfo.lowlink, wInfo.lowlink);
+          vInfo.lowlink = math.min(vInfo.lowlink, wInfo.lowlink);
         } else if (wInfo.onStack) {
           // Successor w is in stack S and hence in the current SCC
-          vInfo.lowlink = Math.min(vInfo.lowlink, wInfo.index);
+          vInfo.lowlink = math.min(vInfo.lowlink, wInfo.index);
         }
       }
     }