DevTools: introduce beautiful checkmarks in navigator and editor tabs

third_party/WebKit/Source/devtools/front_end/persistence/PersistenceUtils.js

+// Copyright 2016 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.
+
+WebInspector.PersistenceUtils = class {
+  /**
+   * @param {!WebInspector.UISourceCode} uiSourceCode
+   * @return {string}
+   */
+  static tooltipForUISourceCode(uiSourceCode) {
+    var binding = WebInspector.persistence.binding(uiSourceCode);
+    if (!binding)
+      return '';
+    if (uiSourceCode === binding.network)
+      return WebInspector.UIString('Persisted to file system: %s', binding.fileSystem.url().trimMiddle(150));
+    if (binding.network.contentType().isFromSourceMap())
+      return WebInspector.UIString('Linked to source map: %s', binding.network.url().trimMiddle(150));
+    return WebInspector.UIString('Linked to %s', binding.network.url().trimMiddle(150));
+  }
+};