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

third_party/WebKit/Source/web/tests/WebViewTest.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 2340 matching lines @@
 // This test verifies that WebWidgetClient::hasTouchEventHandlers is called
 // accordingly for various calls to EventHandlerRegistry::did{Add|Remove|
 // RemoveAll}EventHandler(..., TouchEvent). Verifying that those calls are made
 // correctly is the job of LayoutTests/fast/events/event-handler-count.html.
 TEST_F(WebViewTest, HasTouchEventHandlers)
 {
     TouchEventHandlerWebViewClient client;
     std::string url = m_baseURL + "has_touch_event_handlers.html";
     URLTestHelpers::registerMockedURLLoad(toKURL(url), "has_touch_event_handlers.html");
     WebViewImpl* webViewImpl = m_webViewHelper.initializeAndLoad(url, true, 0, &client);
-    const EventHandlerRegistry::EventHandlerClass touchEvent = EventHandlerRegistry::TouchEventBlocking;
+    const EventHandlerRegistry::EventHandlerClass touchEvent = EventHandlerRegistry::TouchStartOrMoveEventBlocking;
 
     // The page is initialized with at least one no-handlers call.
     // In practice we get two such calls because WebViewHelper::initializeAndLoad first
     // initializes and empty frame, and then loads a document into it, so there are two
     // FrameLoader::commitProvisionalLoad calls.
     EXPECT_GE(client.getAndResetHasTouchEventHandlerCallCount(false), 1);
     EXPECT_EQ(0, client.getAndResetHasTouchEventHandlerCallCount(true));
 
     // Adding the first document handler results in a has-handlers call.
     Document* document = webViewImpl->mainFrameImpl()->frame()->document();
@@ skipping 919 matching lines @@
     frame->setAutofillClient(&client);
     webView->setInitialFocus(false);
 
     EXPECT_TRUE(webView->confirmComposition(WebString::fromUTF8(std::string("hello").c_str())));
     EXPECT_EQ(1, client.textChangesFromUserGesture());
     EXPECT_FALSE(UserGestureIndicator::processingUserGesture());
     frame->setAutofillClient(0);
 }
 
 } // namespace blink