Remove webkit-efl API regarding transparent background

[Issue] N/A
[Problem] In RSA, webkit-efl doesn't provider the following function.
          ewk_view_draws_transparent_background_set()
[Cause] N/A
[Solution] web-provider set transparency to webview's background manually
           using evas_object_color_set().

Change-Id: I16760583ad0bb2cacefd6ee8e607805d4b039d8b

diff --git a/src/Plugin/AppBoxPlugin/AppBoxRenderView.cpp b/src/Plugin/AppBoxPlugin/AppBoxRenderView.cpp
index d7b0397..3d48c5c 100755 (executable)
--- a/src/Plugin/AppBoxPlugin/AppBoxRenderView.cpp
+++ b/src/Plugin/AppBoxPlugin/AppBoxRenderView.cpp
@@ -432,7 +432,7 @@ void AppBoxRenderView::setWebViewBasicSetting(Evas_Object* webview)
     }
     Ewk_Settings* setting = ewk_view_settings_get(webview);
     // To support transparent background
-    ewk_view_draws_transparent_background_set(webview, EINA_TRUE);
+    evas_object_color_set(webview, 0, 0, 0, 1);
     ewk_view_visibility_set(webview, EINA_TRUE);
 
     // To know starting point for updating buffer