build fix.

    build fix.

        * WebCore.xcodeproj/project.pbxproj:
        * bridge/mac/BrowserExtensionMac.mm:
        (WebCore::BrowserExtensionMac::createNewWindow):
        * bridge/mac/FrameMac.mm:
        (WebCore::FrameMac::createFrame):
        * bridge/mac/FrameViewMac.mm:
        (WebCore::FrameView::passMousePressEventToScrollbar):
        * bridge/mac/WebCoreFrameBridge.mm:
        (-[WebCoreFrameBridge installInFrame:]):
        * bridge/mac/WebCoreFrameView.h:
        * platform/ScrollBar.cpp:
        * platform/Widget.h:
        * platform/mac/PlatformScrollBar.h:
        * platform/mac/PlatformScrollBarMac.mm:
        (NSControlSizeForScrollBarControlSize):
        (-[WebCoreScrollBar initWithPlatformScrollbar:]):
        (-[WebCoreScrollBar detachPlatformScrollbar]):
        (-[WebCoreScrollBar scroll:]):
        (-[WebCoreScrollBar widget]):
        (WebCore::PlatformScrollbar::PlatformScrollbar):
        (WebCore::PlatformScrollbar::~PlatformScrollbar):
        (WebCore::PlatformScrollbar::updateThumbPosition):
        (WebCore::PlatformScrollbar::updateThumbProportion):
        (WebCore::PlatformScrollbar::scrollbarHit):
        (WebCore::PlatformScrollbar::width):
        (WebCore::PlatformScrollbar::height):
        (WebCore::PlatformScrollbar::setRect):
        (WebCore::PlatformScrollbar::setEnabled):
        (WebCore::PlatformScrollbar::paint):
        * platform/mac/ScrollViewMac.mm:
        (WebCore::ScrollView::setVScrollbarMode):
        (WebCore::ScrollView::setHScrollbarMode):
        (WebCore::ScrollView::setScrollbarsMode):
        (WebCore::ScrollView::vScrollbarMode):
        (WebCore::ScrollView::hScrollbarMode):
        (WebCore::ScrollView::suppressScrollbars):
        (WebCore::ScrollView::scrollbarUnderMouse):
        * platform/mac/WidgetMac.mm:
        (WebCore::Widget::removeFromParent):
        * rendering/RenderLayer.cpp:
        (WebCore::RenderLayer::destroyScrollbar):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@16830 268f45cc-cd09-0410-ab3c-d52691b4dbfc