Reviewed by Anders.

        Fix Windows warning / leak: warning C4150: deletion of pointer to
        incomplete type 'WebCore::PluginRequest'; no destructor called

        * plugins/PluginView.cpp: Move PluginRequest class to PluginView.h so
        Windows PluginView destructor can use WTF::deleteAllValues to clean up
        m_requests.
        * plugins/PluginView.h:
        (WebCore::PluginRequest::PluginRequest):
        (WebCore::PluginRequest::frameLoadRequest):
        (WebCore::PluginRequest::notifyData):
        (WebCore::PluginRequest::sendNotification):
        (WebCore::PluginRequest::shouldAllowPopups):




git-svn-id: http://svn.webkit.org/repository/webkit/trunk@31196 268f45cc-cd09-0410-ab3c-d52691b4dbfc