Remove scroll distribution code from Layer/LayerTreeHost.

webkit/renderer/compositor_bindings/web_layer_impl.cc

Index: webkit/renderer/compositor_bindings/web_layer_impl.cc
diff --git a/webkit/renderer/compositor_bindings/web_layer_impl.cc b/webkit/renderer/compositor_bindings/web_layer_impl.cc
index a0caaf53a49e9baf86dbdfb506a6ec12808a9234..d55ede27e6be2cb5ab05f94236a5af3e54df889b 100644
--- a/webkit/renderer/compositor_bindings/web_layer_impl.cc
+++ b/webkit/renderer/compositor_bindings/web_layer_impl.cc
@@ -253,10 +253,6 @@ blink::WebPoint WebLayerImpl::scrollPosition() const {
   return gfx::PointAtOffsetFromOrigin(layer_->scroll_offset());
 }
 
-WebSize WebLayerImpl::maxScrollPosition() const {
-  return layer_->MaxScrollOffset();
-}
-
 void WebLayerImpl::setScrollClipLayer(WebLayer* clip_layer) {
   if (!clip_layer) {
     layer_->SetScrollClipLayerId(Layer::INVALID_ID);