Removed policy classes and instead use the policy enums directly,
	since we no longer hold the path in the enum.

        * Downloads.subproj/WebDownloadHandler.m:
        * WebKit.exp:
        * WebKit.pbproj/project.pbxproj:
        * WebView.subproj/WebControllerPolicyDelegate.h:
        * WebView.subproj/WebControllerPolicyDelegate.m:
        * WebView.subproj/WebControllerPolicyDelegatePrivate.h: Removed.
        * WebView.subproj/WebControllerPrivate.m:
        * WebView.subproj/WebDefaultPolicyDelegate.h:
        * WebView.subproj/WebDefaultPolicyDelegate.m:
        (+[WebDefaultPolicyDelegate defaultURLPolicyForRequest:]):
        (-[WebDefaultPolicyDelegate URLPolicyForRequest:inFrame:]):
        (-[WebDefaultPolicyDelegate fileURLPolicyForMIMEType:andRequest:inFrame:]):
        (-[WebDefaultPolicyDelegate unableToImplementPolicy:error:forURL:inFrame:]):
        (-[WebDefaultPolicyDelegate clickPolicyForAction:andRequest:inFrame:]):
        * WebView.subproj/WebFramePrivate.m:
        (-[WebFrame handleUnimplementablePolicy:errorCode:forURL:]):
        (-[WebFrame _shouldShowRequest:]):
        (-[WebFrame _continueAfterClickPolicyForEvent:request:]):
        * WebView.subproj/WebMainResourceClient.m:
        (-[WebMainResourceClient handle:didReceiveResponse:]):

WebBrowser:

	Adjusted for WebKit API changes.

        * BrowserDocument.m:
        (-[BrowserDocument goToRequest:]):
        * BrowserWebController.m:
        (-[BrowserWebController URLPolicyForRequest:inFrame:]):
        (-[BrowserWebController unableToImplementPolicy:error:forURL:inFrame:]):
        (-[BrowserWebController fileURLPolicyForMIMEType:andRequest:inFrame:]):
        (-[BrowserWebController contentPolicyForResponse:andRequest:inFrame:]):
        (-[BrowserWebController clickPolicyForAction:andRequest:inFrame:]):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@2638 268f45cc-cd09-0410-ab3c-d52691b4dbfc