DevTools: prepare tests for Persistence2.0 release

third_party/WebKit/Source/devtools/front_end/persistence/Automapping.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.
 /**
  * @unrestricted
  */
 Persistence.Automapping = class {
   /**
    * @param {!Workspace.Workspace} workspace
    * @param {function(!Persistence.PersistenceBinding)} onBindingCreated
@@ skipping 131 matching lines @@
     networkSourceCode[Persistence.Automapping._processingPromise] = createBindingPromise;
 
     /**
      * @param {?Persistence.PersistenceBinding} binding
      * @this {Persistence.Automapping}
      */
     function onBinding(binding) {
       if (networkSourceCode[Persistence.Automapping._processingPromise] !== createBindingPromise)
         return;
       networkSourceCode[Persistence.Automapping._processingPromise] = null;
-      if (!binding) {
+      if (!binding || this._disposed) {
         this._onBindingFailedForTest();
         return;
       }
       // TODO(lushnikov): remove this check once there's a single uiSourceCode per url. @see crbug.com/670180
       if (binding.network[Persistence.Automapping._binding] || binding.fileSystem[Persistence.Automapping._binding])
         return;
 
       this._bindings.add(binding);
       binding.network[Persistence.Automapping._binding] = binding;
       binding.fileSystem[Persistence.Automapping._binding] = binding;
@@ skipping 107 matching lines @@
       var fileMetadata = file[Persistence.Automapping._metadata];
       if (!fileMetadata)
         return false;
       // Allow a second of difference due to network timestamps lack of precision.
       var timeMatches = !networkMetadata.modificationTime ||
           Math.abs(networkMetadata.modificationTime - fileMetadata.modificationTime) < 1000;
       var contentMatches = !networkMetadata.contentSize || fileMetadata.contentSize === networkMetadata.contentSize;
       return timeMatches && contentMatches;
     });
   }
+
+  dispose() {
+    if (this._disposed)
+      return;
+    this._disposed = true;
+    Common.EventTarget.removeEventListeners(this._eventListeners);
+    for (var binding of this._bindings.valuesArray())
+      this._unbindNetwork(binding.network);
+  }
 };
 
 Persistence.Automapping._binding = Symbol('Automapping.Binding');
 Persistence.Automapping._processingPromise = Symbol('Automapping.ProcessingPromise');
 Persistence.Automapping._metadata = Symbol('Automapping.Metadata');
 
 /**
  * @unrestricted
  */
 Persistence.Automapping.PathEncoder = class {
@@ skipping 112 matching lines @@
   /**
    * @param {string} path
    * @return {string}
    */
   closestParentFolder(path) {
     var encodedPath = this._encoder.encode(path);
     var commonPrefix = this._index.longestPrefix(encodedPath, true);
     return this._encoder.decode(commonPrefix);
   }
 };