[Bugs] #4390 Browse NORM: 'X' button from pdf tab page does not cancel the downloading progress

[Sugar Labs Bugs]

#4390: 'X' button from pdf tab page does not cancel the downloading progress
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    Reporter:  humitos      |          Owner:  humitos          
        Type:  defect       |         Status:  new              
    Priority:  Normal       |      Milestone:  1.0              
   Component:  Browse       |        Version:  Git as of bugdate
    Severity:  Unspecified  |       Keywords:                   
Distribution:  Unspecified  |   Status_field:  Unconfirmed      
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 While I was testing #4385 I put a {{{logging.debug}}} to know the
 {{{progress}}} of the downloading progress. Then I realized that when I
 click on a PDF file, and a new tab is opened, if I click on the '''X'''
 from the tab label the downloading progress is not cancelled. I could see
 how the progress increments...

 It seems that {{{PDFTabPage.cancel_download}}} is not being called.

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Ticket URL: <http://bugs.sugarlabs.org/ticket/4390>
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