https://bugs.webkit.org/show_bug.cgi?id=112288

Reviewed by Adam Barth.

Source/WebCore:

Return early if we can't access the application cache due to security
restrictions.

Tests: http/tests/security/cross-origin-appcache-allowed.html
       http/tests/security/cross-origin-appcache.html
       http/tests/security/same-origin-appcache-blocked.html

* loader/appcache/ApplicationCacheGroup.cpp:
(WebCore::ApplicationCacheGroup::selectCache):
(WebCore::ApplicationCacheGroup::selectCacheWithoutManifestURL):
* page/SecurityOrigin.h:
(WebCore::SecurityOrigin::canAccessApplicationCache):

LayoutTests:

* http/tests/security/cross-origin-appcache-allowed-expected.txt: Added.
* http/tests/security/cross-origin-appcache-allowed.html: Added.
* http/tests/security/cross-origin-appcache-expected.txt: Added.
* http/tests/security/cross-origin-appcache.html: Added.
* http/tests/security/resources/cross-origin-iframe-for-appcache-allowed.html: Added.
* http/tests/security/resources/cross-origin-iframe-for-appcache.html: Added.
* http/tests/security/resources/manifest-for-appcache-allowed.manifest: Added.
* http/tests/security/resources/manifest-for-appcache-blocked.manifest: Added.
* http/tests/security/resources/manifest-for-appcache.manifest: Added.
* http/tests/security/resources/same-origin-iframe-for-appcache-blocked.html: Added.
* http/tests/security/same-origin-appcache-blocked-expected.txt: Added.
* http/tests/security/same-origin-appcache-blocked.html: Added.
* platform/chromium/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146115 268f45cc-cd09-0410-ab3c-d52691b4dbfc