Context menus should appear above the touch point if invoked by long press.

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 727262923d6e425bcdad12f3d1ee3836b147f36d..0b031c0299ac5f1e238e76ce925a061cfead9519 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -1011,6 +1011,8 @@ void RenderWidgetHostImpl::ForwardInputEvent(const WebInputEvent& input_event,
                                              bool is_keyboard_shortcut) {
   TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::ForwardInputEvent");
 
+  in_process_event_types_.push(input_event.type);
+
   if (!process_->HasConnection())
     return;
 
@@ -1534,6 +1536,9 @@ void RenderWidgetHostImpl::DidUpdateBackingStore(
 void RenderWidgetHostImpl::OnMsgInputEventAck(WebInputEvent::Type event_type,
                                               bool processed) {
   TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::OnMsgInputEventAck");
+  DCHECK(!in_process_event_types_.empty() &&
+         in_process_event_types_.front() == event_type);
+  in_process_event_types_.pop();
 
   // Log the time delta for processing an input event.
   TimeDelta delta = TimeTicks::Now() - input_event_start_time_;