Leak in DecorationRequestQueue?

[benibenj]

I've seen this in my console. Unable to repro. Maybe you'll be able to figure it out by looking at the code...?

[LEAKED DISPOSABLE] Error: CREATED via:
    at GCBasedDisposableTracker.trackDisposable (vscode-file://vscode-app/c:/Code/vscode/out/vs/base/common/lifecycle.js:27:23)
    at trackDisposable (vscode-file://vscode-app/c:/Code/vscode/out/vs/base/common/lifecycle.js:198:24)
    at toDisposable (vscode-file://vscode-app/c:/Code/vscode/out/vs/base/common/lifecycle.js:276:18)
    at MutableToken._event (vscode-file://vscode-app/c:/Code/vscode/out/vs/base/common/event.js:876:28)
    at DecorationRequestsQueue.enqueue (vscode-file://vscode-app/c:/Code/vscode/out/vs/workbench/api/browser/mainThreadDecorations.js:37:27)
    at Object.provideDecorations (vscode-file://vscode-app/c:/Code/vscode/out/vs/workbench/api/browser/mainThreadDecorations.js:81:42)
    at DecorationsService._fetchData (vscode-file://vscode-app/c:/Code/vscode/out/vs/workbench/services/decorations/browser/decorationsService.js:312:41)
    at UniqueContainer.value (vscode-file://vscode-app/c:/Code/vscode/out/vs/workbench/services/decorations/browser/decorationsService.js:250:26)
    at Emitter._deliver (vscode-file://vscode-app/c:/Code/vscode/out/vs/base/common/event.js:939:22)
    at Emitter.fire (vscode-file://vscode-app/c:/Code/vscode/out/vs/base/common/event.js:968:18)