[EFL] Change the behavior of ewk_view_scale_set.
https://bugs.webkit.org/show_bug.cgi?id=70078

Reviewed by Eric Seidel.

Remove center point basis zoom alignment from ewk_view_scale_set to call
Page::setPageScaleFactor without any adjustment.

* ewk/ewk_view.cpp:
(ewk_view_scale_set):
* ewk/ewk_view.h:


git-svn-id: svn://svn.chromium.org/blink/trunk@103288 bbb929c8-8fbe-4397-9dbb-9b2b20218538
static void _ewk_view_on_mouse_down(void* data, Evas* eventType, Evas_Object* callback, void* eventInfo)
{
    Evas_Event_Mouse_Down* downEvent = static_cast<Evas_Event_Mouse_Down*>(eventInfo);
    Ewk_View_Smart_Data* smartData = static_cast<Ewk_View_Smart_Data*>(data);
    EINA_SAFETY_ON_NULL_RETURN(smartData->api);
    EINA_SAFETY_ON_NULL_RETURN(smartData->api->mouse_down);
    smartData->api->mouse_down(smartData, downEvent);
}

static void _ewk_view_on_mouse_down(void* data, Evas* eventType, Evas_Object* callback, void* eventInfo)
{
    Evas_Event_Mouse_Down* downEvent = static_cast<Evas_Event_Mouse_Down*>(eventInfo);
    Ewk_View_Smart_Data* smartData = static_cast<Ewk_View_Smart_Data*>(data);
    EINA_SAFETY_ON_NULL_RETURN(smartData->api);
    EINA_SAFETY_ON_NULL_RETURN(smartData->api->mouse_down);
    smartData->api->mouse_down(smartData, downEvent);
}
