Let the browser know the end of fling

content/renderer/input/input_handler_proxy.cc

Index: content/renderer/input/input_handler_proxy.cc
diff --git a/content/renderer/input/input_handler_proxy.cc b/content/renderer/input/input_handler_proxy.cc
index fa95881c2f1528239cb7f92f94a60e52d056d045..7cac5e935e83f7e95685c687e9e17da532afb2d5 100644
--- a/content/renderer/input/input_handler_proxy.cc
+++ b/content/renderer/input/input_handler_proxy.cc
@@ -352,6 +352,7 @@ void InputHandlerProxy::Animate(base::TimeTicks time) {
 
 void InputHandlerProxy::MainThreadHasStoppedFlinging() {
   fling_may_be_active_on_main_thread_ = false;
+  client_->DidStopFlinging();

[jdduke (slow), 2014/01/09 20:07:14]

What if there's a fling active on the impl thread?

 }
 
 void InputHandlerProxy::DidOverscroll(const cc::DidOverscrollParams& params) {
@@ -388,6 +389,7 @@ bool InputHandlerProxy::CancelCurrentFling() {
   fling_curve_.reset();
   gesture_scroll_on_impl_thread_ = false;
   fling_parameters_ = blink::WebActiveWheelFlingParameters();
+  client_->DidStopFlinging();

[jdduke (slow), 2014/01/09 20:07:14]

I think we only want to send this if there was a fling curve, no?

[Xianzhu, 2014/01/10 20:16:02]

Done.

   return had_fling_animation;
 }