mac: Remove IsOSSnowLeopard().

third_party/WebKit/Source/platform/scroll/Scrollbar.cpp

 /*
  * Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 13 matching lines @@
  */
 
 #include "platform/scroll/Scrollbar.h"
 
 #include <algorithm>
 #include "platform/HostWindow.h"
 #include "platform/PlatformGestureEvent.h"
 #include "platform/PlatformMouseEvent.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/graphics/paint/CullRect.h"
-// See windowActiveChangedForSnowLeopardOnly() below.
-// TODO(ellyjones): remove this when Snow Leopard support is gone.
-#if OS(MACOSX)
-#include "platform/mac/VersionUtilMac.h"
-#endif
 #include "platform/scroll/ScrollAnimatorBase.h"
 #include "platform/scroll/ScrollableArea.h"
 #include "platform/scroll/ScrollbarTheme.h"
 
 namespace blink {
 
 RawPtr<Scrollbar> Scrollbar::create(ScrollableArea* scrollableArea, ScrollbarOrientation orientation, ScrollbarControlSize size, HostWindow* hostWindow)
 {
     return new Scrollbar(scrollableArea, orientation, size, hostWindow);
 }
@@ skipping 479 matching lines @@
 }
 
 bool Scrollbar::shouldParticipateInHitTesting()
 {
     // Non-overlay scrollbars should always participate in hit testing.
     if (!isOverlayScrollbar())
         return true;
     return m_scrollableArea->scrollAnimator().shouldScrollbarParticipateInHitTesting(*this);
 }
 
-// Don't use this method. It will be removed later.
-// TODO(ellyjones): remove this method after Snow Leopard support drops.
-void Scrollbar::windowActiveChangedForSnowLeopardOnly()
-{
-#if OS(MACOSX)
-    // On Snow Leopard, scrollbars need to be invalidated when the window
-    // activity changes so that they take on the "inactive" scrollbar
-    // appearance. Later OS X releases do not have such an appearance.
-    if (m_theme.invalidateOnWindowActiveChange()) {
-        ASSERT(IsOSSnowLeopard());
-        invalidate();
-    }
-#endif
-}
-
 bool Scrollbar::isWindowActive() const
 {
     return m_scrollableArea && m_scrollableArea->isActive();
 }
 
 IntRect Scrollbar::convertToContainingWidget(const IntRect& localRect) const
 {
     if (m_scrollableArea)
         return m_scrollableArea->convertFromScrollbarToContainingWidget(*this, localRect);
 
@@ skipping 57 matching lines @@
         invalidParts = AllParts;
     if (invalidParts & ~ThumbPart)
         m_trackNeedsRepaint = true;
     if (invalidParts & ThumbPart)
         m_thumbNeedsRepaint = true;
     if (m_scrollableArea)
         m_scrollableArea->setScrollbarNeedsPaintInvalidation(orientation());
 }
 
 } // namespace blink