Reviewed by Maciej.

    Reviewed by Maciej.

        - passed calls that require WebHTMLView or WebFrameView calls across
          the client interface

        * Loader/WebFrameLoader.h:
        * Loader/WebFrameLoader.m:
        (isCaseInsensitiveEqual):
        (isBackForwardLoadType):
        (-[WebFrameLoader opened]):
        (-[WebFrameLoader cancelledErrorWithRequest:]):
        (-[WebFrameLoader fileDoesNotExistErrorWithResponse:]):
        (-[WebFrameLoader reload]):
        (-[WebFrameLoader transitionToCommitted:]):
        * Loader/WebFrameLoaderClient.h:
        * WebView/WebFrame.m:
        (-[WebFrame _forceLayout]):
        (-[WebFrame _setDocumentViewFromPageCache:]):
        (-[WebFrame _setCopiesOnScroll]):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@16916 268f45cc-cd09-0410-ab3c-d52691b4dbfc