Overscroll and Elasticity for views::ScrollView

cc/input/scroll_state.h

Index: cc/input/scroll_state.h
diff --git a/cc/input/scroll_state.h b/cc/input/scroll_state.h
index 86bc6581de31e99fc3d73299ed57783a4e62dd55..6768d06b2c653a5ce7ff678b94fe5fefc79e2606 100644
--- a/cc/input/scroll_state.h
+++ b/cc/input/scroll_state.h
@@ -83,7 +83,9 @@ class CC_EXPORT ScrollState {
     data_.delta_consumed_for_scroll_sequence = delta_consumed;
   }
 
-  bool FullyConsumed() const { return !data_.delta_x && !data_.delta_y; }
+  bool FullyConsumed() const {
+    return !data_.delta_x && !data_.delta_y /* && !data_.overscroll_pending */;
+  }
 
   void set_caused_scroll(bool x, bool y) {
     data_.caused_scroll_x |= x;