[EFL] Allow to skip count parameter in ewk_view_repaints_get and ewk_view_scroll_requ...

[EFL] Allow to skip count parameter in ewk_view_repaints_get and ewk_view_scroll_requests_get.
https://bugs.webkit.org/show_bug.cgi?id=65842

Patch by Grzegorz Czajkowski <g.czajkowski@samsung.com> on 2011-09-28
Reviewed by Ryosuke Niwa.

Makes the count parameter in ewk_view_repaints_get and ewk_view_scroll_requests_get
as an optional parameter. Developer may pass NULL to skip returning the number of elements
of the requested array.

* ewk/ewk_view.cpp:
(ewk_view_repaints_get):
(ewk_view_scroll_requests_get):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@96202 268f45cc-cd09-0410-ab3c-d52691b4dbfc