Bookkeep the pointer event listeners added to page

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

 /*
  * 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 247 matching lines @@
   Vector<AtomicString> userPreferredLanguages() const;
   void setUserPreferredLanguages(const Vector<String>&);
 
   unsigned mediaKeysCount();
   unsigned mediaKeySessionCount();
   unsigned suspendableObjectCount(Document*);
   unsigned wheelEventHandlerCount(Document*);
   unsigned scrollEventHandlerCount(Document*);
   unsigned touchStartOrMoveEventHandlerCount(Document*);
   unsigned touchEndOrCancelEventHandlerCount(Document*);
+  unsigned pointerEventHandlerCount(Document*);
+
   LayerRectList* touchEventTargetLayerRects(Document*, ExceptionState&);
 
   bool executeCommand(Document*,
                       const String& name,
                       const String& value,
                       ExceptionState&);
 
   AtomicString htmlNamespace();
   Vector<AtomicString> htmlTags();
   AtomicString svgNamespace();
@@ skipping 286 matching lines @@
                            const String& marker_type,
                            unsigned index,
                            ExceptionState&);
   Member<InternalRuntimeFlags> runtime_flags_;
   Member<Document> document_;
 };
 
 }  // namespace blink
 
 #endif  // Internals_h