Communicate whether passive event listeners exist to cc.

third_party/WebKit/Source/core/frame/EventHandlerRegistry.h

Index: third_party/WebKit/Source/core/frame/EventHandlerRegistry.h
diff --git a/third_party/WebKit/Source/core/frame/EventHandlerRegistry.h b/third_party/WebKit/Source/core/frame/EventHandlerRegistry.h
index 18de8230a4bb127791f41048d30506c161f221d0..38a8e95691e7bed626e0b2bfdb7fb46d273a87cd 100644
--- a/third_party/WebKit/Source/core/frame/EventHandlerRegistry.h
+++ b/third_party/WebKit/Source/core/frame/EventHandlerRegistry.h
@@ -12,6 +12,7 @@
 namespace blink {
 
 class Document;
+class EventListenerOptions;
 class EventTarget;
 
 typedef HashCountedSet<RawPtrWillBeUntracedMember<EventTarget>> EventTargetSet;
@@ -29,8 +30,10 @@ public:
     // multiple event types.
     enum EventHandlerClass {
         ScrollEvent,
-        WheelEvent,
-        TouchEvent,
+        WheelEventBlocking,
+        WheelEventPassive,
+        TouchEventBlocking,
+        TouchEventPassive,
 #if ENABLE(ASSERT)
         // Additional event categories for verifying handler tracking logic.
         EventsForTesting,
@@ -45,9 +48,9 @@ public:
     const EventTargetSet* eventHandlerTargets(EventHandlerClass) const;
 
     // Registration and management of event handlers attached to EventTargets.
-    void didAddEventHandler(EventTarget&, const AtomicString& eventType);
+    void didAddEventHandler(EventTarget&, const AtomicString& eventType, const EventListenerOptions&);
     void didAddEventHandler(EventTarget&, EventHandlerClass);
-    void didRemoveEventHandler(EventTarget&, const AtomicString& eventType);
+    void didRemoveEventHandler(EventTarget&, const AtomicString& eventType, const EventListenerOptions&);
     void didRemoveEventHandler(EventTarget&, EventHandlerClass);
     void didRemoveAllEventHandlers(EventTarget&);
 
@@ -72,7 +75,7 @@ private:
     };
 
     // Returns true if |eventType| belongs to a class this registry tracks.
-    static bool eventTypeToClass(const AtomicString& eventType, EventHandlerClass* result);
+    static bool eventTypeToClass(const AtomicString& eventType, const EventListenerOptions&, EventHandlerClass* result);
 
     // Returns true if the operation actually added a new target or completely
     // removed an existing one.
@@ -91,7 +94,7 @@ private:
 
     // Record a change operation to a given event handler class and notify any
     // parent registry and other clients accordingly.
-    void updateEventHandlerOfType(ChangeOperation, const AtomicString& eventType, EventTarget*);
+    void updateEventHandlerOfType(ChangeOperation, const AtomicString& eventType, const EventListenerOptions&, EventTarget*);
 
     void updateEventHandlerInternal(ChangeOperation, EventHandlerClass, EventTarget*);