Fix remaining localization issues by piping all localized strings through WebCore's

Fix remaining localization issues by piping all localized strings through WebCore's
localization bottleneck.
<rdar://problem/8728860>

Reviewed by Anders Carlsson.

../WebKit:

* WebKit.xcodeproj/project.pbxproj:

../WebKit/mac:

* DefaultDelegates/WebDefaultContextMenuDelegate.mm:
(-[WebDefaultUIDelegate menuItemWithTag:target:representedObject:]):
* Misc/WebKitErrors.m:
* Misc/WebLocalizableStringsInternal.h: Added.
* Misc/WebLocalizableStringsInternal.mm: Added.
(WebLocalizedStringInternal):
* Panels/WebAuthenticationPanel.m:
(-[WebAuthenticationPanel setUpForChallenge:]):
* Plugins/Hosted/NetscapePluginHostManager.mm:
(WebKit::NetscapePluginHostManager::spawnPluginHost):
* WebCoreSupport/WebEditorClient.mm:
(undoNameForEditAction):
* WebCoreSupport/WebInspectorClient.mm:
(WebInspectorFrontendClient::updateWindowTitle):
(-[WebInspectorWindowController validateUserInterfaceItem:]):
* WebCoreSupport/WebKeyGenerator.m:
(-[WebKeyGenerator strengthMenuItemTitles]):
(-[WebKeyGenerator signedPublicKeyAndChallengeStringWithStrengthIndex:challenge:pageURL:]):
* WebCoreSupport/WebPlatformStrategies.mm:
* WebView/WebHTMLView.mm:
(-[WebHTMLView validateUserInterfaceItemWithoutDelegate:]):
* WebView/WebPDFView.mm:
(-[WebPDFView menuForEvent:]):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@80153 268f45cc-cd09-0410-ab3c-d52691b4dbfc