Fixes <http://webkit.org/b/33806> <rdar://problem/7552837> Would like
API to disallow setting of document.domain for pages with certain URL
schemes

Reviewed by Sam Weinig.

WebCore:

Add SecurityOrigin::{set,is}DomainRelaxationForbiddenForURLScheme and
respect it

Test: http/tests/security/setDomainRelaxationForbiddenForURLScheme.html

* WebCore.base.exp: Export
SecurityOrigin::setDomainRelaxationForbiddenForURLScheme.

* dom/Document.cpp:
(WebCore::Document::setDomain): If domain relaxation is forbidden for
our security origin's scheme, throw an exception and don't allow
the domain to be set.

* page/SecurityOrigin.cpp:
(WebCore::schemesForbiddenFromDomainRelaxation): Added. Returns a
global set of schemes.
(WebCore::SecurityOrigin::setDomainRelaxationForbiddenForURLScheme):
Add or remove the scheme to schemesForbiddenFromDomainRelaxation, as
appropriate.
(WebCore::SecurityOrigin::isDomainRelaxationForbiddenForURLScheme):
Returns true if the scheme is in schemesForbiddenFromDomainRelaxation.

* page/SecurityOrigin.h: Added
{set,is}DomainRelaxationForbiddenForURLScheme.

WebKit/mac:

Add +[WebView _setDomainRelaxationForbidden:forURLScheme:]

* WebView/WebView.mm:
(+[WebView _setDomainRelaxationForbidden:forURLScheme:]):
* WebView/WebViewPrivate.h:
Added. Calls through to SecurityOrigin.

WebKit/win:

Add IWebViewPrivate::setDomainRelaxationForbiddenForURLScheme

* Interfaces/IWebViewPrivate.idl: Added
setDomainRelaxationForbiddenForURLScheme.

* Interfaces/WebKit.idl: Touched to force a build.

* WebView.cpp:
(WebView::setDomainRelaxationForbiddenForURLScheme):
* WebView.h:
Added. Calls through to SecurityOrigin.

WebKitTools:

Add LayoutTestController support for calling new WebKit SPI to
disallow setting document.domain

* DumpRenderTree/LayoutTestController.cpp:
(setDomainRelaxationForbiddenForURLSchemeCallback): Added. Calls
through to LayoutTestController.
(LayoutTestController::staticFunctions): Added
setDomainRelaxationForbiddenForURLScheme.

* DumpRenderTree/LayoutTestController.h: Added
setDomainRelaxationForbiddenForURLScheme.

* DumpRenderTree/mac/LayoutTestControllerMac.mm:
(LayoutTestController::setDomainRelaxationForbiddenForURLScheme):
* DumpRenderTree/win/LayoutTestControllerWin.cpp:
(LayoutTestController::setDomainRelaxationForbiddenForURLScheme):
Added. Calls through to WebKit.

* DumpRenderTree/gtk/LayoutTestControllerGtk.cpp:
(LayoutTestController::setDomainRelaxationForbiddenForURLScheme):
* DumpRenderTree/wx/LayoutTestControllerWx.cpp:
(LayoutTestController::setDomainRelaxationForbiddenForURLScheme):
Stubbed out.

LayoutTests:

Add tests for new WebKit SPI to disallow setting document.domain

* http/tests/security/setDomainRelaxationForbiddenForURLScheme-expected.txt: Added.
* http/tests/security/setDomainRelaxationForbiddenForURLScheme.html: Added.

* platform/gtk/Skipped: Skip the new test since WebKitGtk doesn't have
this API.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@53423 268f45cc-cd09-0410-ab3c-d52691b4dbfc