Non passive touch end or touch cancel listeners should not block scroll.

third_party/WebKit/Source/web/ChromeClientImpl.cpp

Index: third_party/WebKit/Source/web/ChromeClientImpl.cpp
diff --git a/third_party/WebKit/Source/web/ChromeClientImpl.cpp b/third_party/WebKit/Source/web/ChromeClientImpl.cpp
index 2210928659e4074606bc73b74029c8499211d3cc..6d9835d038171da71381466c93f248f70d81a738 100644
--- a/third_party/WebKit/Source/web/ChromeClientImpl.cpp
+++ b/third_party/WebKit/Source/web/ChromeClientImpl.cpp
@@ -909,11 +909,13 @@ bool ChromeClientImpl::shouldOpenModalDialogDuringPageDismissal(const DialogType
     return false;
 }
 
-void ChromeClientImpl::setEventListenerProperties(WebEventListenerClass eventClass, WebEventListenerProperties properties)
+void ChromeClientImpl::setHasTouchEventListeners(bool hasListeners)
 {
-    if (eventClass == WebEventListenerClass::Touch)
-        m_webView->hasTouchEventHandlers(properties != WebEventListenerProperties::Nothing);
+    m_webView->hasTouchEventHandlers(hasListeners);
+}
 
+void ChromeClientImpl::setEventListenerProperties(WebEventListenerClass eventClass, WebEventListenerProperties properties)
+{
     if (WebLayerTreeView* treeView = m_webView->layerTreeView())
         treeView->setEventListenerProperties(eventClass, properties);
 }
@@ -925,13 +927,13 @@ WebEventListenerProperties ChromeClientImpl::eventListenerProperties(WebEventLis
     return WebEventListenerProperties::Nothing;
 }
 
-void ChromeClientImpl::setHaveScrollEventHandlers(bool hasEventHandlers)
+void ChromeClientImpl::setHasScrollEventHandlers(bool hasEventHandlers)
 {
     if (WebLayerTreeView* treeView = m_webView->layerTreeView())
         treeView->setHaveScrollEventHandlers(hasEventHandlers);
 }
 
-bool ChromeClientImpl::haveScrollEventHandlers() const
+bool ChromeClientImpl::hasScrollEventHandlers() const
 {
     if (WebLayerTreeView* treeView = m_webView->layerTreeView())
         return treeView->haveScrollEventHandlers();