Remove UserGesture on touch scrolls

third_party/WebKit/Source/core/input/TouchEventManager.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TouchEventManager_h
 #define TouchEventManager_h
 
 #include "core/CoreExport.h"
 #include "core/events/PointerEventFactory.h"
-#include "platform/UserGestureIndicator.h"
 #include "public/platform/WebInputEventResult.h"
 #include "wtf/Allocator.h"
 #include "wtf/HashMap.h"
 
 namespace blink {
 
 class LocalFrame;
 class Document;
 class PlatformTouchEvent;
 
 // This class takes care of dispatching all touch events and
 // maintaining related states.
 class CORE_EXPORT TouchEventManager
-    : public GarbageCollectedFinalized<TouchEventManager>,
-      public UserGestureUtilizedCallback {
+    : public GarbageCollectedFinalized<TouchEventManager> {
   WTF_MAKE_NONCOPYABLE(TouchEventManager);
 
  public:
   class TouchInfo {
     DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 
    public:
     DEFINE_INLINE_TRACE() {
       visitor->trace(touchNode);
       visitor->trace(targetFrame);
@@ skipping 22 matching lines @@
   // TouchInfo objects.
   WebInputEventResult handleTouchEvent(const PlatformTouchEvent&,
                                        HeapVector<TouchInfo>&);
 
   // Resets the internal state of this object.
   void clear();
 
   // Returns whether there is any touch on the screen.
   bool isAnyTouchActive() const;
 
-  // Indicate that a touch scroll has started.
-  void setTouchScrollStarted() { m_touchScrollStarted = true; }
-
-  // Invoked when a UserGestureIndicator corresponding to a touch event is
-  // utilized.
-  void userGestureUtilized() override;
-
  private:
   void updateTargetAndRegionMapsForTouchStarts(HeapVector<TouchInfo>&);
   void setAllPropertiesOfTouchInfos(HeapVector<TouchInfo>&);
 
   WebInputEventResult dispatchTouchEvents(const PlatformTouchEvent&,
                                           const HeapVector<TouchInfo>&,
                                           bool allTouchesReleased);
 
   // NOTE: If adding a new field to this class please ensure that it is
   // cleared in |TouchEventManager::clear()|.
@@ skipping 10 matching lines @@
   using TouchRegionMap = HashMap<unsigned,
                                  String,
                                  DefaultHash<unsigned>::Hash,
                                  WTF::UnsignedWithZeroKeyHashTraits<unsigned>>;
   TouchRegionMap m_regionForTouchID;
 
   // If set, the document of the active touch sequence. Unset if no touch
   // sequence active.
   Member<Document> m_touchSequenceDocument;
 
-  RefPtr<UserGestureToken> m_touchSequenceUserGestureToken;
   bool m_touchPressed;
-  // True if a touch is active but scrolling/zooming has started.
-  bool m_touchScrollStarted;
   // The touch event currently being handled or NoType if none.
   PlatformEvent::EventType m_currentEvent;
 };
 
 }  // namespace blink
 
 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::TouchEventManager::TouchInfo);
 
 #endif  // TouchEventManager_h