Probable fix for <rdar://problem/9251443> Crashing on exception: -

[ScrollAnimationHelperDelegate _pixelAlignProposedScrollPosition:]: unrecognized 
selector sent to instance ADDRESS.

Reviewed by Simon Fraser.

       Need to implement new delegate method.
* platform/mac/ScrollAnimatorMac.mm:
(-[ScrollAnimationHelperDelegate _pixelAlignProposedScrollPosition:]):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@83254 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/WebCore/ChangeLog

+2011-04-07  Beth Dakin  <bdakin@apple.com>
+
+        Reviewed by Simon Fraser.
+
+        Probable fix for <rdar://problem/9251443>  Crashing on exception: -
+        [ScrollAnimationHelperDelegate _pixelAlignProposedScrollPosition:]: unrecognized 
+        selector sent to instance ADDRESS.
+
+       Need to implement new delegate method.
+        * platform/mac/ScrollAnimatorMac.mm:
+        (-[ScrollAnimationHelperDelegate _pixelAlignProposedScrollPosition:]):
+
 2011-04-07  Ian Henderson  <ianh@apple.com>
         Reviewed by Simon Fraser.

Source/WebCore/platform/mac/ScrollAnimatorMac.mm

@@ -100,6 +100,11 @@ static NSSize abs(NSSize size)
     _animator->immediateScrollToPoint(newPosition);
 }
 
+- (NSPoint)_pixelAlignProposedScrollPosition:(NSPoint)newOrigin
+{
+    return newOrigin;
+}
+
 - (NSSize)convertSizeToBase:(NSSize)size
 {
     return abs(size);