DevTools: prepare tests for Persistence2.0 release

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

Index: third_party/WebKit/Source/devtools/front_end/persistence/Automapping.js
diff --git a/third_party/WebKit/Source/devtools/front_end/persistence/Automapping.js b/third_party/WebKit/Source/devtools/front_end/persistence/Automapping.js
index 5c837a177eeeab5b71e3a851ec1e97b007ef4ca7..d71391a7581569f513840c327e5afdb8fd2f3852 100644
--- a/third_party/WebKit/Source/devtools/front_end/persistence/Automapping.js
+++ b/third_party/WebKit/Source/devtools/front_end/persistence/Automapping.js
@@ -149,7 +149,7 @@ Persistence.Automapping = class {
       if (networkSourceCode[Persistence.Automapping._processingPromise] !== createBindingPromise)
         return;
       networkSourceCode[Persistence.Automapping._processingPromise] = null;
-      if (!binding) {
+      if (!binding || this._disposed) {
         this._onBindingFailedForTest();
         return;
       }
@@ -277,6 +277,15 @@ Persistence.Automapping = class {
       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');