[EFL] Clients should be able to set page cache capacity.

[EFL] Clients should be able to set page cache capacity.
https://bugs.webkit.org/show_bug.cgi?id=86960

Patch by Mikhail Pozdnyakov <mikhail.pozdnyakov@intel.com> on 2012-05-21
Reviewed by Csaba Osztrogonác.

Exported memory page cache capacity getter and setter functions.
Those will be used both by clients and DRT Layout Test Controller.

* ewk/ewk_settings.cpp:
(ewk_settings_page_cache_capacity_get):
(ewk_settings_page_cache_capacity_set):
* ewk/ewk_settings.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@117785 268f45cc-cd09-0410-ab3c-d52691b4dbfc