WebCore: Remove IDL declarations and stubs for navigator.registerProtocolHandler and navigator.registerContentHandler.
https://bugs.webkit.org/show_bug.cgi?id=41878

Reviewed by David Levin.

This is practically a rollback of http://trac.webkit.org/changeset/50477.

* page/Chrome.cpp:
* page/Chrome.h:
* page/ChromeClient.h:
* page/Navigator.cpp:
* page/Navigator.h:
* page/Navigator.idl:

LayoutTests: Remove IDL declarations and stubs for navigator.registerProtocolHandler and navigator.registerContentHandler
https://bugs.webkit.org/show_bug.cgi?id=41878

Reviewed by David Levin.

This is practically a rollback of http://trac.webkit.org/changeset/50477.

* fast/dom/Window/window-properties-expected.txt:
* fast/dom/navigator-detached-no-crash-expected.txt:
* fast/dom/registerContentHandler-expected.txt: Removed.
* fast/dom/registerContentHandler.html: Removed.
* fast/dom/registerProtocolHandler-expected.txt: Removed.
* fast/dom/registerProtocolHandler.html: Removed.
* platform/chromium-mac/fast/dom/navigator-detached-no-crash-expected.txt:
* platform/chromium-win/fast/dom/navigator-detached-no-crash-expected.txt:
* platform/gtk/fast/dom/Window/window-properties-expected.txt:
* platform/mac-leopard/fast/dom/navigator-detached-no-crash-expected.txt:
* platform/qt/fast/dom/Window/window-properties-expected.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@62834 268f45cc-cd09-0410-ab3c-d52691b4dbfc