DevTools: use eventListener arrays to avoid memory leaks in dispose methods

third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js

Index: third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js
diff --git a/third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js b/third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js
index 7e328582afc587e5609d42e4564e5067c9ab3467..21d09d7ea1a4e95ef9380b81a5109c27349518dd 100644
--- a/third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js
+++ b/third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js
@@ -356,14 +356,6 @@ WebInspector.IsolatedFileSystemManager.prototype = {
         this._callbacks.delete(requestId);
     },
 
-    dispose: function()
-    {
-        InspectorFrontendHost.events.removeEventListener(InspectorFrontendHostAPI.Events.IndexingTotalWorkCalculated, this._onIndexingTotalWorkCalculated, this);
-        InspectorFrontendHost.events.removeEventListener(InspectorFrontendHostAPI.Events.IndexingWorked, this._onIndexingWorked, this);
-        InspectorFrontendHost.events.removeEventListener(InspectorFrontendHostAPI.Events.IndexingDone, this._onIndexingDone, this);
-        InspectorFrontendHost.events.removeEventListener(InspectorFrontendHostAPI.Events.SearchCompleted, this._onSearchCompleted, this);
-    },
-
     __proto__: WebInspector.Object.prototype
 }