[EFL][DRT] Do not dump empty frames.
https://bugs.webkit.org/show_bug.cgi?id=110474

Reviewed by Kenneth Rohde Christiansen.

Follow the original Mac implementation more closely by skipping
empty frames (frames which have no document). We are not really
interested in showing anything about them.

* DumpRenderTree/efl/DumpRenderTree.cpp:
(dumpFramesAsText):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143708 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Unreviewed gardening.

Remove some platform expectations which are identical to the
original ones.

* platform/efl/http/tests/security/contentSecurityPolicy/connect-src-websocket-blocked-expected.txt: Removed.
* platform/gtk/http/tests/security/contentSecurityPolicy/shared-worker-connect-src-blocked-expected.txt: Removed.
* platform/mac-wk2/http/tests/security/cross-origin-local-storage-wk1-expected.txt: Removed.
* platform/qt-5.0-wk2/http/tests/navigation/forward-and-cancel-expected.txt: Removed.
* platform/qt-5.0-wk2/http/tests/navigation/postredirect-frames-expected.txt: Removed.
* platform/qt-5.0-wk2/http/tests/navigation/postredirect-goback2-expected.txt: Removed.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143709 268f45cc-cd09-0410-ab3c-d52691b4dbfc