Download file doesn't show as completed nor the progress indicator stops even after successfully downloading the file

[srirambv]

Test plan

1. Clean install 0.15.1 preview 1
2. Download a file
3. Download progress should not be retained
4. Open about:download
   right click and select clear completed download
   it should clear

---

• Did you search for similar issues before submitting this one?
  Yes

• Describe the issue you encountered:
  Download file doesn't show as completed nor the progress indicator stops even after successfully downloading the file

• Platform (Win7, 8, 10? macOS? Linux distro?):
  Windows 7 ia32

• Brave Version (revision SHA):
  Brave 0.15.1
  rev 0598ddf

• Steps to reproduce:

  1. Clean install 0.15.1 preview 1
  2. Download a file
  3. Download progress is retained as the download completed message is not shown even if the download is completed
  4. Open about:download, right click and select clear completed download, doesn't clear since it shows as downloading

• Actual result:
  Download complete notification doesn't show and the progress indicator is still shown

• Expected result:
  Should show download completed message and progress indicator should not be shown

• Will the steps above reproduce in a fresh profile? If not what other info can be added?
  Yes

• Is this an issue in the currently released version?
  No

• Can this issue be consistently reproduced?
  Yes

• Extra QA steps:
  1.
  2.
  3.

• Screenshot if needed:

• Any related issues:
  

[srirambv]

Console shows error when browser crashes. This could be a possible cause for the progress indicator to be still show as downloading

$ An uncaught exception occurred in the main process Uncaught Exception:
TypeError: Cannot read property 'downloadFinished' of undefined
    at module.exports.updateElectronDownloadItem (C:\Users\Sriram BV\AppData\Local\brave\app-0.15.2\resources\app.asar\app\browser\electronDownloadItem.js:17:15)
    at updateDownloadState (C:\Users\Sriram BV\AppData\Local\brave\app-0.15.2\resources\app.asar\app\filtering.js:467:3)
    at DownloadItem.<anonymous> (C:\Users\Sriram BV\AppData\Local\brave\app-0.15.2\resources\app.asar\app\filtering.js:525:7)
    at emitTwo (events.js:106:13)
    at DownloadItem.emit (events.js:194:7)