Remove Local/Remote and RTCStatsElement from WebRTCStats API
https://bugs.webkit.org/show_bug.cgi?id=112678

Patch by Harald Alvestrand <hta@google.com> on 2013-03-20
Reviewed by Adam Barth.

Source/Platform:

* chromium/public/WebRTCStatsResponse.h:
(WebRTCStatsResponse):

Source/WebCore:

Pure removal, remaining functionality covered by existing test.

* Modules/mediastream/RTCStatsReport.cpp:
* Modules/mediastream/RTCStatsReport.h:
(RTCStatsReport):
* Modules/mediastream/RTCStatsResponse.cpp:
* Modules/mediastream/RTCStatsResponse.h:
(RTCStatsResponse):
* platform/chromium/support/WebRTCStatsResponse.cpp:
* platform/mediastream/RTCStatsResponseBase.h:
(RTCStatsResponseBase):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146364 268f45cc-cd09-0410-ab3c-d52691b4dbfc