RFR: 8314212: Crash when loading cnn.com in WebView [v2]

[Jay Bhaskar]

> Issue: WCMediaPlayer does not support HTTP live streaming m3u8 format. Giving error com.sun.javafx.webkit.prism.WCMediaPlayerImpl onError WARNING: onError, errCode=0, msg=Unsupported protocol "data"
> 
> Solution: Do not invoke the current media time operation in an error state. As the WCMediaPlayer might not be a valid object.

Jay Bhaskar has updated the pull request incrementally with one additional commit since the last revision:

  clean up according to review comments

-------------

Changes:
  - all: https://git.openjdk.org/jfx/pull/1212/files
  - new: https://git.openjdk.org/jfx/pull/1212/files/7f8b9a63..7c9d2bfb

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1212&range=01
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1212&range=00-01

  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jfx/pull/1212.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1212/head:pull/1212

PR: https://git.openjdk.org/jfx/pull/1212