[tbb-bugs] #18466 [Tor Browser]: Fix domain-isolator for ESR45

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#18466: Fix domain-isolator for ESR45
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 Reporter:  arthuredelstein       |          Owner:  tbb-team
     Type:  defect                |         Status:  new
 Priority:  Medium                |      Milestone:
Component:  Tor Browser           |        Version:
 Severity:  Normal                |     Resolution:
 Keywords:  TorBrowserTeam201603  |  Actual Points:
Parent ID:  #15197                |         Points:
  Sponsor:                        |
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Description changed by arthuredelstein:

Old description:

> domain-isolator.js has a couple of minor breakages.
>
> 1. A new ReferenceError is thrown by things like `let mozilla = mozilla
> || {};`. We can change it to `let mozilla = {};`.
>
> 2. The method `newSOCKSProxyInfo` was available in our SOCKS proxy patch.
> Since we landed that patch with some minor changes, we can now make an
> equivalent call to built-in Firefox method `newProxyInfoWithAuth`.

New description:

 domain-isolator.js has a couple of minor breakages in Firefox 45.

 1. A new ReferenceError is thrown by things like `let mozilla = mozilla ||
 {};`. We can change it to `let mozilla = {};`.

 2. The method `newSOCKSProxyInfo` was available in our SOCKS proxy patch.
 Since we landed that patch with some minor changes, we should now make an
 equivalent call to built-in Firefox method `newProxyInfoWithAuth`.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18466#comment:1>
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