Migrate WTF::HashSet::add() to ::insert() [part 1 of N]

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

 // 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.
 
 #include "core/input/TouchEventManager.h"
 
 #include "core/dom/Document.h"
 #include "core/events/TouchEvent.h"
 #include "core/frame/Deprecation.h"
 #include "core/frame/EventHandlerRegistry.h"
@@ skipping 146 matching lines @@
     // the user had several points touched but did not move them all) should
     // never be in the |changedTouches| list so we do not handle them
     // explicitly here. See https://bugs.webkit.org/show_bug.cgi?id=37609
     // for further discussion about the TouchStationary state.
     if (pointState != PlatformTouchPoint::TouchStationary &&
         touchInfo.knownTarget) {
       ASSERT(pointState < PlatformTouchPoint::TouchStateEnd);
       if (!changedTouches[pointState].m_touches)
         changedTouches[pointState].m_touches = TouchList::create();
       changedTouches[pointState].m_touches->append(touch);
-      changedTouches[pointState].m_targets.add(touchInfo.touchNode);
+      changedTouches[pointState].m_targets.insert(touchInfo.touchNode);
       changedTouches[pointState].m_pointerType =
           point.pointerProperties().pointerType;
     }
   }
 
   if (allTouchesReleased) {
     m_touchSequenceDocument.clear();
     m_currentTouchAction = TouchActionAuto;
   }
 
@@ skipping 327 matching lines @@
   }
 
   return dispatchTouchEvents(event, touchInfos, allTouchesReleased);
 }
 
 bool TouchEventManager::isAnyTouchActive() const {
   return m_touchPressed;
 }
 
 }  // namespace blink