[FlashFrame] change NativeWindow::FlashFrame input parameter to int, the javascript boolean parameter true redirected as -1, false as 0
Fixed support for screencapture media requests.
This fixes issue #1994.
Added myself to contributors.
Merge pull request #2164 from fancycode/screencapture_support

Fixed support for screencapture media requests.
Merge pull request #2158 from jtg-gg/flashframe

[FlashFrame] change NativeWindow::FlashFrame input parameter to int, the javascript boolean parameter true redirected as -1, false as 0