Fixed: <rdar://problem/3505208>: keys added to keychain from KEYGEN need better UI names

        Reviewed by rjw.

        * khtml/html/html_formimpl.cpp:
        (HTMLKeygenElementImpl::encoding): pass the page URL to signedPublicKeyAndChallengeString
        * kwq/KWQKSSLKeyGen.h:
        * kwq/KWQKSSLKeyGen.mm:
        (KSSLKeyGen::signedPublicKeyAndChallengeString): take a URL
        * kwq/WebCoreKeyGenerator.h:
        * kwq/WebCoreKeyGenerator.m:
        (-[WebCoreKeyGenerator signedPublicKeyAndChallengeStringWithStrengthIndex:challenge:pageURL:]): take a URL

WebKit:

	Fixed:
	<rdar://problem/3396936>: can't obtain a digital ID from Verisign, form submission fails
	<rdar://problem/3505208>: keys added to keychain from KEYGEN need better UI names

        Reviewed by rjw.

        * English.lproj/Localizable.strings:
        * WebCoreSupport.subproj/WebKeyGeneration.cpp:
        (signedPublicKeyAndChallengeString): take a key description arg and use it, take and return CFStrings, handle the empty string case
        (addCertificatesToKeychainFromData): return a WebCertificateParseResult so WB knows how to handle the cert
        * WebCoreSupport.subproj/WebKeyGeneration.h:
        * WebCoreSupport.subproj/WebKeyGenerator.h:
        * WebCoreSupport.subproj/WebKeyGenerator.m:
        (-[WebKeyGenerator signedPublicKeyAndChallengeStringWithStrengthIndex:challenge:pageURL:]): take a page URL so we can use its host name in the key description
        * WebKit.pbproj/project.pbxproj:

WebBrowser:

	Fixed: 	<rdar://problem/3506645>: open PKCS7 encoded certificates downloaded from Verisign in Keychain Access

        Reviewed by rjw.

        * DownloadProgressEntry.m:
        (-[DownloadProgressEntry _addCertificateToKeyChain]): open PKCS7 files in Keychain Access
        * English.lproj/StringsNotToBeLocalized.txt:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@5786 268f45cc-cd09-0410-ab3c-d52691b4dbfc