Change all refcounted classes in page/ to start with a refcount of 1.

        * page/BarInfo.cpp:
        (WebCore::BarInfo::BarInfo):
        * page/BarInfo.h:
        (WebCore::BarInfo::create):
        * page/Console.cpp:
        (WebCore::Console::Console):
        * page/Console.h:
        (WebCore::Console::create):
        * page/DOMSelection.cpp:
        (WebCore::DOMSelection::DOMSelection):
        * page/DOMSelection.h:
        (WebCore::DOMSelection::create):
        * page/DOMWindow.cpp:
        (WebCore::DOMWindow::DOMWindow):
        (WebCore::DOMWindow::screen):
        (WebCore::DOMWindow::history):
        (WebCore::DOMWindow::locationbar):
        (WebCore::DOMWindow::menubar):
        (WebCore::DOMWindow::personalbar):
        (WebCore::DOMWindow::scrollbars):
        (WebCore::DOMWindow::statusbar):
        (WebCore::DOMWindow::toolbar):
        (WebCore::DOMWindow::console):
        (WebCore::DOMWindow::getSelection):
        * page/DOMWindow.h:
  ...