Fix member variable order in WebGestureCurve implementations

webkit/glue/fling_animator_impl_android.cc

Index: webkit/glue/fling_animator_impl_android.cc
diff --git a/webkit/glue/fling_animator_impl_android.cc b/webkit/glue/fling_animator_impl_android.cc
index b4ba4478160c3fd461925009d79b5ebc45cb805c..bac4e91434cb4b9f343ed9cc7bcd47e414764e94 100644
--- a/webkit/glue/fling_animator_impl_android.cc
+++ b/webkit/glue/fling_animator_impl_android.cc
@@ -107,9 +107,11 @@ bool FlingAnimatorImpl::apply(double time,
 
   gfx::Point current_position = GetCurrentPosition();
   gfx::Vector2d diff(current_position - last_position_);
+  last_position_ = current_position;
   WebKit::WebPoint scroll_amount(diff.x(), diff.y());
+  // scrollBy() could delete this curve if the animation is over, so don't touch
+  // any member variables after making that call.
   target->scrollBy(scroll_amount);
-  last_position_ = current_position;
   return true;
 }