[EFL] Add method in ewk_settings for setting the CSS media type
https://bugs.webkit.org/show_bug.cgi?id=113284

Patch by Jose Lejin PJ <jose.lejin@gmail.com> on 2013-04-19
Reviewed by Gyuyoung Kim.

Source/WebKit:

test_ewk_setting is added.

* PlatformEfl.cmake:

Source/WebKit/efl:

Added APIs to set and get CSS media type.
Added unit tests for these APIs.

* WebCoreSupport/FrameLoaderClientEfl.cpp:
(WebCore::FrameLoaderClientEfl::overrideMediaType):
* ewk/ewk_settings.cpp:
(ewk_settings_css_media_type_set):
(ewk_settings_css_media_type_get):
* ewk/ewk_settings.h:
* tests/test_ewk_setting.cpp: Added.
(TEST_F):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148740 268f45cc-cd09-0410-ab3c-d52691b4dbfc