Reviewed by Anders Carlsson.

        Basic WK2 visited link coloring
        https://bugs.webkit.org/show_bug.cgi?id=43377

        No new tests. (No change in behavior)

        * WebCore.exp.in:
        
        * page/PageGroup.cpp:
        (WebCore::PageGroup::addVisitedLinkHash):
        * page/PageGroup.h:
2010-08-02  Brady Eidson  <beidson@apple.com>

        Reviewed by Anders Carlsson.

        Basic WK2 visited link coloring
        https://bugs.webkit.org/show_bug.cgi?id=43377

        Add simple API that allows the WK2 app to add 1 visited link at a time.
        For now, this just pipes each individual LinkHash down to WebCore.
        
        * Shared/CoreIPCSupport/WebProcessMessageKinds.h:
        (WebProcessMessage::):

        * UIProcess/API/C/WKContext.cpp:
        (WKContextAddVisitedLink):
        * UIProcess/API/C/WKContext.h:

        * UIProcess/WebContext.cpp:
        (WebKit::WebContext::addVisitedLink):
        * UIProcess/WebContext.h:

        * WebProcess/WebProcess.cpp:
        (WebKit::WebProcess::addVisitedLinkHash):
        (WebKit::WebProcess::didReceiveMessage):
        * WebProcess/WebProcess.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@64492 268f45cc-cd09-0410-ab3c-d52691b4dbfc