[MediaStream] Add getTracks() support to MediaStream.
https://bugs.webkit.org/show_bug.cgi?id=133641

Patch by Kiran <kiran.guduru@samsung.com> on 2014-06-10
Reviewed by Eric Carlson.

Source/WebCore:
A new method named getTracks is proposed to retrieve all the tracks
of a MediaStream irrespective of the type. This method has been implementd.

Test: fast/mediastream/MediaStream-getTracks.html

* Modules/mediastream/MediaStream.cpp:
(WebCore::MediaStream::getTracks):
* Modules/mediastream/MediaStream.h:
* Modules/mediastream/MediaStream.idl:

LayoutTests:
* fast/mediastream/MediaStream-getTracks-expected.txt: Added.
* fast/mediastream/MediaStream-getTracks.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@169743 268f45cc-cd09-0410-ab3c-d52691b4dbfc
7 files changed