https://bugs.webkit.org/show_bug.cgi?id=119606

Reviewed by Anders Carlsson.

Source/WebCore:

No new tests; updated exsisting tests with new names.

Prefix all new classes with "WebKit" and new methods on existing unprefixed
classes with "webkit"

* Modules/encryptedmedia/MediaKeyMessageEvent.idl: MediaKeyMessageEvent -> WebKitMediaKeyMessageEvent
* Modules/encryptedmedia/MediaKeySession.idl: MediaKeySession -> WebKitMediaKeySession
* Modules/encryptedmedia/MediaKeys.idl: MediaKeys -> WebKitMediaKeys
* html/HTMLMediaElement.idl: keys -> webkitKeys, setMediaKeys -> webkitSetMediaKeys
* html/MediaKeyError.idl: MediaKeyError -> WebKitMediaKeyError

LayoutTests:

* media/encrypted-media/encrypted-media-constants-expected.txt:
* media/encrypted-media/encrypted-media-constants.html:
* media/encrypted-media/encrypted-media-events-expected.txt:
* media/encrypted-media/encrypted-media-events.html:
* media/encrypted-media/encrypted-media-is-type-supported-expected.txt:
* media/encrypted-media/encrypted-media-is-type-supported.html:
* media/encrypted-media/encrypted-media-v2-events-expected.txt:
* media/encrypted-media/encrypted-media-v2-events.html:
* media/encrypted-media/encrypted-media-v2-syntax-expected.txt:
* media/encrypted-media/encrypted-media-v2-syntax.html:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@153867 268f45cc-cd09-0410-ab3c-d52691b4dbfc