Drop down list closes on touch scroll/pinch zoom

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 886 matching lines @@
         eventResult =
             mainFrameImpl()->frame()->eventHandler().handleGestureEvent(
                 targetedEvent);
       }
 
       break;
     }
     case WebInputEvent::GestureShowPress:
       m_client->cancelScheduledContentIntents();
     case WebInputEvent::GestureTapDown:
+      // Touch pinch zoom and scroll must hide the popup. In case of a touch
+      // scroll or pinch zoom, this function is called with GestureTapDown
+      // rather than a GSB/GSU/GSE or GPB/GPU/GPE.
+      hidePopups();
     case WebInputEvent::GestureTapCancel:
     case WebInputEvent::GestureTapUnconfirmed: {
       eventResult = mainFrameImpl()->frame()->eventHandler().handleGestureEvent(
           targetedEvent);
       break;
     }
     default:
       NOTREACHED();
   }
   m_client->didHandleGestureEvent(event, eventCancelled);
@@ skipping 3281 matching lines @@
   if (focusedFrame->localFrameRoot() != mainFrameImpl()->frame())
     return nullptr;
   return focusedFrame;
 }
 
 LocalFrame* WebViewImpl::focusedLocalFrameAvailableForIme() const {
   return m_imeAcceptEvents ? focusedLocalFrameInWidget() : nullptr;
 }
 
 }  // namespace blink