Revert of Early terminate flings when scrolling impossible

cc/trees/layer_tree_host_unittest_scroll.cc

Index: cc/trees/layer_tree_host_unittest_scroll.cc
diff --git a/cc/trees/layer_tree_host_unittest_scroll.cc b/cc/trees/layer_tree_host_unittest_scroll.cc
index 626c67dc240e3aee9ff51ac14cb5e9f30e948f97..adda9bd948640f70806ad85531bec23163571f0e 100644
--- a/cc/trees/layer_tree_host_unittest_scroll.cc
+++ b/cc/trees/layer_tree_host_unittest_scroll.cc
@@ -1088,9 +1088,7 @@
     *received_stop_flinging_ = true;
   }
 
-  virtual void DidOverscroll(const gfx::Vector2dF& accumulated_overscroll,
-                             const gfx::Vector2dF& latest_overscroll_delta)
-      OVERRIDE {
+  virtual void DidOverscroll(const DidOverscrollParams& params) OVERRIDE {
     if (!task_runner_->BelongsToCurrentThread())
       ADD_FAILURE() << "DidOverscroll called on wrong thread";
   }