Moving GraphicsContext and dependencies from core to platform.

Source/platform/scroll/ScrollAnimator.h

 /*
  * Copyright (c) 2010, Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef ScrollAnimator_h
 #define ScrollAnimator_h
 
+#include "platform/PlatformExport.h"
 #include "platform/PlatformWheelEvent.h"
 #include "platform/geometry/FloatSize.h"
 #include "platform/scroll/ScrollTypes.h"
 #include "wtf/FastAllocBase.h"
 #include "wtf/Forward.h"
+#include "wtf/Noncopyable.h"
 #include "wtf/UnusedParam.h"
 
 namespace WebCore {
 
 class FloatPoint;
 class ScrollableArea;
 class Scrollbar;
 
-class ScrollAnimator {
-    WTF_MAKE_FAST_ALLOCATED;
+class PLATFORM_EXPORT ScrollAnimator {
+    WTF_MAKE_FAST_ALLOCATED; WTF_MAKE_NONCOPYABLE(ScrollAnimator);
 public:
     static PassOwnPtr<ScrollAnimator> create(ScrollableArea*);
 
     virtual ~ScrollAnimator();
 
     // Computes a scroll destination for the given parameters.  Returns false if
     // already at the destination.  Otherwise, starts scrolling towards the
     // destination and returns true.  Scrolling may be immediate or animated.
     // The base class implementation always scrolls immediately, never animates.
     virtual bool scroll(ScrollbarOrientation, ScrollGranularity, float step, float multiplier);
@@ skipping 50 matching lines @@
     float m_currentPosX; // We avoid using a FloatPoint in order to reduce
     float m_currentPosY; // subclass code complexity.
 
 private:
     float clampScrollPosition(ScrollbarOrientation, float);
 };
 
 } // namespace WebCore
 
 #endif // ScrollAnimator_h