Communicate whether passive event listeners exist to cc.

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

Index: third_party/WebKit/Source/core/html/HTMLInputElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLInputElement.cpp b/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
index fc4425ffdfbd3e0b92986e61c7e5d703af69c9c9..5c5eb44620be347c88b4c39119a993f2a3735aea 100644
--- a/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
@@ -176,7 +176,7 @@ HTMLInputElement::~HTMLInputElement()
     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
 }
 
@@ -420,9 +420,9 @@ void HTMLInputElement::updateTouchEventHandlerRegistry()
     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;
     }
 }