Bookkeep the pointer event listeners added to page

third_party/WebKit/Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 1563 matching lines @@
       &document.GetPage()->GetEventHandlerRegistry();
   unsigned count = 0;
   const EventTargetSet* targets = registry->EventHandlerTargets(handler_class);
   if (targets) {
     for (const auto& target : *targets)
       count += target.value;
   }
   return count;
 }
 
-unsigned Internals::wheelEventHandlerCount(Document* document) {
+unsigned Internals::wheelEventHandlerCount(Document* document) const {
   DCHECK(document);
   return EventHandlerCount(*document,
                            EventHandlerRegistry::kWheelEventBlocking);
 }
 
-unsigned Internals::scrollEventHandlerCount(Document* document) {
+unsigned Internals::scrollEventHandlerCount(Document* document) const {
   DCHECK(document);
   return EventHandlerCount(*document, EventHandlerRegistry::kScrollEvent);
 }
 
-unsigned Internals::touchStartOrMoveEventHandlerCount(Document* document) {
+unsigned Internals::touchStartOrMoveEventHandlerCount(
+    Document* document) const {
   DCHECK(document);
   return EventHandlerCount(
              *document, EventHandlerRegistry::kTouchStartOrMoveEventBlocking) +
          EventHandlerCount(*document,
                            EventHandlerRegistry::kTouchStartOrMoveEventPassive);
 }
 
-unsigned Internals::touchEndOrCancelEventHandlerCount(Document* document) {
+unsigned Internals::touchEndOrCancelEventHandlerCount(
+    Document* document) const {
   DCHECK(document);
   return EventHandlerCount(
              *document, EventHandlerRegistry::kTouchEndOrCancelEventBlocking) +
          EventHandlerCount(*document,
                            EventHandlerRegistry::kTouchEndOrCancelEventPassive);
 }
 
+unsigned Internals::pointerEventHandlerCount(Document* document) const {
+  DCHECK(document);
+  return EventHandlerCount(*document, EventHandlerRegistry::kPointerEvent);
+}
+
 static PaintLayer* FindLayerForGraphicsLayer(PaintLayer* search_root,
                                              GraphicsLayer* graphics_layer,
                                              IntSize* layer_offset,
                                              String* layer_type) {
   *layer_offset = IntSize();
   if (search_root->HasCompositedLayerMapping() &&
       graphics_layer ==
           search_root->GetCompositedLayerMapping()->MainGraphicsLayer()) {
     // If the |graphicsLayer| sets the scrollingContent layer as its
     // scroll parent, consider it belongs to the scrolling layer and
@@ skipping 1672 matching lines @@
 
 void Internals::crash() {
   CHECK(false) << "Intentional crash";
 }
 
 void Internals::setIsLowEndDevice(bool is_low_end_device) {
   MemoryCoordinator::SetIsLowEndDeviceForTesting(is_low_end_device);
 }
 
 }  // namespace blink