blink: clear tooltips on frame leaves

third_party/WebKit/Source/core/page/ChromeClient.cpp

 /*
  * Copyright (C) 2006, 2007, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2012, Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 152 matching lines @@
     prefetchDNS(result.absoluteLinkURL().host());
 
   showMouseOverURL(result);
 
   if (result.scrollbar())
     clearToolTip(frame);
   else
     setToolTip(frame, result);
 }
 
+void ChromeClient::mouseDidLeave(LocalFrame& frame) {
+  clearToolTip(frame);
+}
+
 void ChromeClient::setToolTip(LocalFrame& frame, const HitTestResult& result) {
   // First priority is a tooltip for element with "title" attribute.
   TextDirection toolTipDirection;
   String toolTip = result.title(toolTipDirection);
 
   // Lastly, some elements provide default tooltip strings.  e.g. <input
   // type="file" multiple> shows a tooltip for the selected filenames.
   if (toolTip.isEmpty()) {
     if (Node* node = result.innerNode()) {
       if (node->isElementNode()) {
@@ skipping 48 matching lines @@
   // Suspend pages in case the client method runs a new event loop that would
   // otherwise cause the load to continue while we're in the middle of
   // executing JavaScript.
   ScopedPageSuspender suspender;
 
   printDelegate(frame);
   return true;
 }
 
 }  // namespace blink