rAc: Enforce a 3 second grace period for generated card bubble.

ui/views/widget/widget.cc

Index: ui/views/widget/widget.cc
diff --git a/ui/views/widget/widget.cc b/ui/views/widget/widget.cc
index 4bf2a850f05b01e105f8afe61e534f34ea5077da..7efb8cd9a7b4939ea6aed0e53c3cae08a033f860 100644
--- a/ui/views/widget/widget.cc
+++ b/ui/views/widget/widget.cc
@@ -173,6 +173,7 @@ Widget::Widget()
       is_mouse_button_pressed_(false),
       is_touch_down_(false),
       last_mouse_event_was_move_(false),
+      auto_release_capture_(true),
       root_layers_dirty_(false),
       movement_disabled_(false) {
 }
@@ -1160,10 +1161,8 @@ void Widget::OnMouseEvent(ui::MouseEvent* event) {
       last_mouse_event_was_move_ = false;
       is_mouse_button_pressed_ = false;
       // Release capture first, to avoid confusion if OnMouseReleased blocks.
-      if (native_widget_->HasCapture() &&
-          ShouldReleaseCaptureOnMouseReleased()) {
+      if (auto_release_capture_ && native_widget_->HasCapture())
         native_widget_->ReleaseCapture();
-      }
       if (root_view)
         root_view->OnMouseReleased(*event);
       if ((event->flags() & ui::EF_IS_NON_CLIENT) == 0)
@@ -1231,7 +1230,7 @@ void Widget::OnGestureEvent(ui::GestureEvent* event) {
     case ui::ET_GESTURE_END:
       if (event->details().touch_points() == 1) {
         is_touch_down_ = false;
-        if (ShouldReleaseCaptureOnMouseReleased())
+        if (auto_release_capture_)
           ReleaseCapture();
       }
       break;
@@ -1314,10 +1313,6 @@ void Widget::DestroyRootView() {
 ////////////////////////////////////////////////////////////////////////////////
 // Widget, private:
 
-bool Widget::ShouldReleaseCaptureOnMouseReleased() const {
-  return true;
-}
-
 void Widget::SetInactiveRenderingDisabled(bool value) {
   if (value == disable_inactive_rendering_)
     return;