[EFL] Add basic DRT/Efl implementation to support viewport test.

[EFL] Add basic DRT/Efl implementation to support viewport test.
https://bugs.webkit.org/show_bug.cgi?id=77320

Reviewed by Andreas Kling.

Source/WebKit/efl:

Add dumpConfigurationForViewport.

* WebCoreSupport/DumpRenderTreeSupportEfl.cpp:
(DumpRenderTreeSupportEfl::dumpConfigurationForViewport):
* WebCoreSupport/DumpRenderTreeSupportEfl.h:

Tools:

* DumpRenderTree/efl/LayoutTestControllerEfl.cpp:
(LayoutTestController::dumpConfigurationForViewport): call dumpConfigurationForViewport().

LayoutTests:

Remove fast/viewport from Skipped and add some tests which aren't passed.
These skipped tests are also in qt/Skipped and gtk/Skipped.

* platform/efl/Skipped:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@106431 268f45cc-cd09-0410-ab3c-d52691b4dbfc