<rdar://problem/8219402>

Reviewed by Dan Bernstein.

* WebCore.xcodeproj/project.pbxproj: Change ScrollAnimatorMac.cpp to ScrollAnimatorMac.mm.
* platform/mac/ScrollAnimatorMac.cpp: Removed.
* platform/mac/ScrollAnimatorMac.h:
* platform/mac/ScrollAnimatorMac.mm: Copied from platform/mac/ScrollAnimatorMac.cpp.
(-[ScrollAnimationHelperDelegate initWithScrollAnimator:WebCore::]):
(-[ScrollAnimationHelperDelegate bounds]):
(-[ScrollAnimationHelperDelegate _immediateScrollToPoint:]):
(-[ScrollAnimationHelperDelegate convertSizeToBase:]):
(-[ScrollAnimationHelperDelegate convertSizeFromBase:]):
(-[ScrollAnimationHelperDelegate superview]):
(-[ScrollAnimationHelperDelegate documentView]):
(-[ScrollAnimationHelperDelegate window]):
(-[ScrollAnimationHelperDelegate _recursiveRecomputeToolTips]):
(WebCore::ScrollAnimatorMac::ScrollAnimatorMac):
(WebCore::ScrollAnimatorMac::scroll):
(WebCore::ScrollAnimatorMac::setScrollPositionAndStopAnimation):
(WebCore::ScrollAnimatorMac::currentPosition):
(WebCore::ScrollAnimatorMac::immediateScrollToPoint):
Add implementation of ScrollAnimator for the Mac.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@73644 268f45cc-cd09-0410-ab3c-d52691b4dbfc