- (#7627)

Author: polina-c

packages/devtools_app/lib/devtools_app.dart

@@ -81,6 +81,7 @@ export 'src/shared/environment_parameters/environment_parameters_external.dart';
 export 'src/shared/error_badge_manager.dart';
 export 'src/shared/globals.dart';
 export 'src/shared/http/http_request_data.dart';
+export 'src/shared/memory/gc_stats.dart';
 export 'src/shared/notifications.dart';
 export 'src/shared/offline_data.dart';
 export 'src/shared/preferences/preferences.dart';

packages/devtools_app/lib/src/screens/memory/panes/profile/model.dart

@@ -5,6 +5,7 @@
 import 'package:vm_service/vm_service.dart';
 
 import '../../../../shared/memory/class_name.dart';
+import '../../../../shared/memory/gc_stats.dart';
 import '../../../../shared/table/table_data.dart';
 import '../../../vm_developer/vm_service_private_extensions.dart';
 import '../../shared/heap/class_filter.dart';

packages/devtools_app/lib/src/screens/memory/panes/profile/profile_view.dart

@@ -10,13 +10,13 @@ import '../../../../shared/analytics/analytics.dart' as ga;
 import '../../../../shared/analytics/constants.dart' as gac;
 import '../../../../shared/common_widgets.dart';
 import '../../../../shared/globals.dart';
+import '../../../../shared/memory/gc_stats.dart';
 import '../../../../shared/primitives/byte_utils.dart';
 import '../../../../shared/primitives/simple_items.dart';
 import '../../../../shared/primitives/utils.dart';
 import '../../../../shared/table/table.dart';
 import '../../../../shared/table/table_controller.dart';
 import '../../../../shared/table/table_data.dart';
-import '../../../vm_developer/vm_service_private_extensions.dart';
 import '../../shared/heap/class_filter.dart';
 import '../../shared/primitives/simple_elements.dart';
 import '../../shared/widgets/class_filter.dart';

packages/devtools_app/lib/src/screens/vm_developer/vm_service_private_extensions.dart

@@ -8,6 +8,7 @@ import 'package:flutter/widgets.dart';
 import 'package:vm_service/vm_service.dart';
 
 import '../../shared/globals.dart';
+import '../../shared/memory/gc_stats.dart';
 import '../../shared/primitives/utils.dart';
 import '../memory/panes/profile/profile_view.dart';
 
@@ -107,41 +108,6 @@ extension ClassHeapStatsPrivateViewExtension on ClassHeapStats {
       : const HeapStats.empty();
 }
 
-class GCStats {
-  GCStats({
-    required this.heap,
-    required this.usage,
-    required this.capacity,
-    required this.collections,
-    required this.averageCollectionTime,
-  });
-
-  factory GCStats.parse({
-    required String heap,
-    required Map<String, dynamic> json,
-  }) {
-    final collections = json[collectionsKey] as int;
-    return GCStats(
-      heap: heap,
-      usage: json[usedKey],
-      capacity: json[capacityKey],
-      collections: collections,
-      averageCollectionTime: (json[timeKey] as num) * 1000 / collections,
-    );
-  }
-
-  static const usedKey = 'used';
-  static const capacityKey = 'capacity';
-  static const collectionsKey = 'collections';
-  static const timeKey = 'time';
-
-  final String heap;
-  final int usage;
-  final int capacity;
-  final int collections;
-  final double averageCollectionTime;
-}
-
 extension AllocationProfilePrivateViewExtension on AllocationProfile {
   static const heapsKey = '_heaps';
   static const newSpaceKey = 'new';

packages/devtools_app/lib/src/shared/memory/gc_stats.dart

@@ -0,0 +1,38 @@
+// Copyright 2024 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+class GCStats {
+  GCStats({
+    required this.heap,
+    required this.usage,
+    required this.capacity,
+    required this.collections,
+    required this.averageCollectionTime,
+  });
+
+  factory GCStats.parse({
+    required String heap,
+    required Map<String, dynamic> json,
+  }) {
+    final collections = json[collectionsKey] as int;
+    return GCStats(
+      heap: heap,
+      usage: json[usedKey],
+      capacity: json[capacityKey],
+      collections: collections,
+      averageCollectionTime: (json[timeKey] as num) * 1000 / collections,
+    );
+  }
+
+  static const usedKey = 'used';
+  static const capacityKey = 'capacity';
+  static const collectionsKey = 'collections';
+  static const timeKey = 'time';
+
+  final String heap;
+  final int usage;
+  final int capacity;
+  final int collections;
+  final double averageCollectionTime;
+}

packages/devtools_app/test/memory/profile/allocation_profile_table_view_test.dart

@@ -5,8 +5,8 @@
 import 'package:devtools_app/src/screens/memory/framework/memory_tabs.dart';
 import 'package:devtools_app/src/screens/memory/panes/profile/model.dart';
 import 'package:devtools_app/src/screens/memory/panes/profile/profile_pane_controller.dart';
-import 'package:devtools_app/src/screens/vm_developer/vm_service_private_extensions.dart';
 import 'package:devtools_app/src/shared/globals.dart';
+import 'package:devtools_app/src/shared/memory/gc_stats.dart';
 import 'package:devtools_app/src/shared/primitives/byte_utils.dart';
 import 'package:devtools_app/src/shared/primitives/utils.dart';
 import 'package:devtools_app/src/shared/table/table.dart';