blink: clear tooltips on frame leaves

third_party/WebKit/Source/core/input/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 743 matching lines @@
 
   hoveredNode.setToShadowHostIfInUserAgentShadowRoot();
   page->chromeClient().mouseDidMoveOverElement(*m_frame, hoveredNode);
 
   return result;
 }
 
 void EventHandler::handleMouseLeaveEvent(const WebMouseEvent& event) {
   TRACE_EVENT0("blink", "EventHandler::handleMouseLeaveEvent");
 
+  Page* page = m_frame->page();
+  if (page)
+    page->chromeClient().mouseDidLeave(*m_frame);

[bokan, 2017/02/07 22:36:25]

just call chromeClient().clearToolTip() directly from here, I'd rather not have
chromeClient become another "event handler".

[Elly Fong-Jones, 2017/02/09 19:21:19]

Done.

   handleMouseMoveOrLeaveEvent(event, Vector<WebMouseEvent>(), 0, false, true);
 }
 
 WebInputEventResult EventHandler::handleMouseMoveOrLeaveEvent(
     const WebMouseEvent& mouseEvent,
     const Vector<WebMouseEvent>& coalescedEvents,
     HitTestResult* hoveredNode,
     bool onlyUpdateScrollbars,
     bool forceLeave) {
   ASSERT(m_frame);
@@ skipping 1358 matching lines @@
 }
 
 FrameHost* EventHandler::frameHost() const {
   if (!m_frame->page())
     return nullptr;
 
   return &m_frame->page()->frameHost();
 }
 
 }  // namespace blink