Communicate whether passive event listeners exist to cc.

third_party/WebKit/Source/core/html/HTMLInputElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
@@ skipping 158 matching lines @@
 {
 #if !ENABLE(OILPAN)
     // Need to remove form association while this is still an HTMLInputElement
     // so that virtual functions are called correctly.
     setForm(0);
     // setForm(0) may register this to a document-level radio button group.
     // We should unregister it to avoid accessing a deleted object.
     if (type() == InputTypeNames::radio)
         document().formController().radioButtonGroupScope().removeButton(this);
     if (m_hasTouchEventHandler && document().frameHost())
-        document().frameHost()->eventHandlerRegistry().didRemoveEventHandler(*this, EventHandlerRegistry::TouchEvent);
+        document().frameHost()->eventHandlerRegistry().didRemoveEventHandler(*this, EventHandlerRegistry::TouchEventBlocking);

[Rick Byers, 2016/02/04 22:18:57]

nit: Add a TODO saying to make this passive, referencing crbug.com/584438 (which
I just filed with details).

 #endif
 }
 
 const AtomicString& HTMLInputElement::name() const
 {
     return m_name.isNull() ? emptyAtom : m_name;
 }
 
 Vector<FileChooserFileInfo> HTMLInputElement::filesFromFileInputFormControlState(const FormControlState& state)
 {
@@ skipping 223 matching lines @@
 {
     ASSERT(m_inputTypeView);
 
     bool hasTouchEventHandler = m_inputTypeView->hasTouchEventHandler();
     if (hasTouchEventHandler == !!m_hasTouchEventHandler)
         return;
     // If the Document is being or has been stopped, don't register any handlers.
     if (document().frameHost() && document().lifecycle().state() < DocumentLifecycle::Stopping) {
         EventHandlerRegistry& registry = document().frameHost()->eventHandlerRegistry();
         if (hasTouchEventHandler)
-            registry.didAddEventHandler(*this, EventHandlerRegistry::TouchEvent);
+            registry.didAddEventHandler(*this, EventHandlerRegistry::TouchEventBlocking);
         else
-            registry.didRemoveEventHandler(*this, EventHandlerRegistry::TouchEvent);
+            registry.didRemoveEventHandler(*this, EventHandlerRegistry::TouchEventBlocking);
         m_hasTouchEventHandler = hasTouchEventHandler;
     }
 }
 
 void HTMLInputElement::initializeTypeInParsing()
 {
     ASSERT(m_parsingInProgress);
     ASSERT(!m_inputType);
     ASSERT(!m_inputTypeView);
 
@@ skipping 1485 matching lines @@
 void HTMLInputElement::ensurePrimaryContent()
 {
     m_inputTypeView->ensurePrimaryContent();
 }
 
 bool HTMLInputElement::hasFallbackContent() const
 {
     return m_inputTypeView->hasFallbackContent();
 }
 } // namespace blink