[TIMOB-5250] Kitchensink: Platform>XHR>File download, unexpected console output, file download progress: "infinity"

Description: While testing KitchenSink, Platform>XHR>File download, I noted console output that I did not see in 1.7.2 after tapping "Set Webview (data)" Thu Sep 8 13:53:34 unknown UIKitApplication:com.appcelerator.titanium[0x407c][90] : [DEBUG] loading: /var/mobile/Applications/60C6C352-43F4-4E2B-B11E-F3D53B3D7B45/KitchenSink.app/examples/xhr_filedownload.js, resource: examples/xhr_filedownload_js Thu Sep 8 13:53:38 unknown UIKitApplication:com.appcelerator.titanium[0x407c][90] : [INFO] ONDATASTREAM1 - PROGRESS: Infinity Thu Sep 8 13:53:38 unknown UIKitApplication:com.appcelerator.titanium[0x407c][90] : [INFO] IN ONLOAD Thu Sep 8 13:53:38 unknown UIKitApplication:com.appcelerator.titanium[0x407c][90] : [DEBUG] loading: /var/mobile/Applications/60C6C352-43F4-4E2B-B11E-F3D53B3D7B45/Documents/test.pdf, resource: var/mobile/Applications/60C6C352-43F4-4E2B-B11E-F3D53B3D7B45/Documents/test_pdf Thu Sep 8 13:53:38 unknown UIKitApplication:com.appcelerator.titanium[0x407c][90] : [WARN] couldn't load URL: app://com.appcelerator.titanium/var/mobile/Applications/60C6C352-43F4-4E2B-B11E-F3D53B3D7B45/Documents/test.pdf Steps to reproduce: 1) Install KS 1.8.0 on device 2) Navigate to Platform>XHR>File download 3) Tap "Set webview (data)" 4) Examine the console output Result: Progress is "infinity" Expected: 1.7.2 simply lists the progress, but does not include "Infinity" Notes: Does not occur in 1.7.2

Associated Helpdesk Ticket

http://appc.me/c/APP-171965