From da713c0266664dc15b021e99cca31cadc5bd2bdc Mon Sep 17 00:00:00 2001
From: Ben Murdoch <benm@google.com>
Date: Wed, 5 May 2010 15:42:24 +0100
Subject: Fix a crash caused by navigating away from a page with your finger
 still down (when the old and new pages have touch event handlers installed)
 and then releasing your finger on the new page after WebCore has performed a
 garbage collection.

Cherry pick of webkit.org revision 58760.

Bug=2543728

Change-Id: I4c9a896ff81881211746451f49158b7e99eb9166
---
 WebCore/page/EventHandler.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'WebCore/page/EventHandler.cpp')

diff --git a/WebCore/page/EventHandler.cpp b/WebCore/page/EventHandler.cpp
index 6082cfe..5904934 100644
--- a/WebCore/page/EventHandler.cpp
+++ b/WebCore/page/EventHandler.cpp
@@ -221,6 +221,9 @@ void EventHandler::clear()
     m_capturingMouseEventsNode = 0;
     m_latchedWheelEventNode = 0;
     m_previousWheelScrolledNode = 0;
+#if ENABLE(TOUCH_EVENTS)
+    m_originatingTouchPointTargets.clear();
+#endif
 }
 
 void EventHandler::selectClosestWordFromMouseEvent(const MouseEventWithHitTestResults& result)
-- 
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