Bookkeep the pointer event listeners added to page

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

Index: third_party/WebKit/Source/core/testing/Internals.cpp
diff --git a/third_party/WebKit/Source/core/testing/Internals.cpp b/third_party/WebKit/Source/core/testing/Internals.cpp
index 74b38a460e8554b99ce89bff02e1e8b2cbff684a..9fa5f8aa2d61d448d11f20cded48b007f1c595b6 100644
--- a/third_party/WebKit/Source/core/testing/Internals.cpp
+++ b/third_party/WebKit/Source/core/testing/Internals.cpp
@@ -1581,18 +1581,19 @@ static unsigned EventHandlerCount(
   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) +
@@ -1600,7 +1601,8 @@ unsigned Internals::touchStartOrMoveEventHandlerCount(Document* document) {
                            EventHandlerRegistry::kTouchStartOrMoveEventPassive);
 }
 
-unsigned Internals::touchEndOrCancelEventHandlerCount(Document* document) {
+unsigned Internals::touchEndOrCancelEventHandlerCount(
+    Document* document) const {
   DCHECK(document);
   return EventHandlerCount(
              *document, EventHandlerRegistry::kTouchEndOrCancelEventBlocking) +
@@ -1608,6 +1610,11 @@ unsigned Internals::touchEndOrCancelEventHandlerCount(Document* 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,