Move slider implemention to use pointer capture

third_party/WebKit/Source/core/html/HTMLInputElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
  * rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved.
@@ skipping 30 matching lines @@
 #include "core/dom/IdTargetObserver.h"
 #include "core/dom/StyleChangeReason.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/dom/shadow/InsertionPoint.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/spellcheck/SpellChecker.h"
 #include "core/events/BeforeTextInsertedEvent.h"
 #include "core/events/KeyboardEvent.h"
 #include "core/events/MouseEvent.h"
+#include "core/events/PointerEvent.h"
 #include "core/events/ScopedEventQueue.h"
 #include "core/frame/Deprecation.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/UseCounter.h"
 #include "core/html/HTMLCollection.h"
 #include "core/html/HTMLDataListElement.h"
 #include "core/html/HTMLDataListOptionsCollection.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLImageLoader.h"
@@ skipping 1213 matching lines @@
     }
 
     evt->setDefaultHandled();
     return;
   }
 
   if (evt->isBeforeTextInsertedEvent())
     m_inputTypeView->handleBeforeTextInsertedEvent(
         static_cast<BeforeTextInsertedEvent*>(evt));
 
-  if (evt->isMouseEvent() && evt->type() == EventTypeNames::mousedown) {
-    m_inputTypeView->handleMouseDownEvent(toMouseEvent(evt));
+  if (evt->isPointerEvent() && evt->type() == EventTypeNames::pointerdown) {
+    m_inputTypeView->handlePointerDownEvent(toPointerEvent(evt));
     if (evt->defaultHandled())
       return;
   }
 
   m_inputTypeView->forwardEvent(evt);
 
   if (!callBaseClassEarly && !evt->defaultHandled())
     TextControlElement::defaultEventHandler(evt);
 }
 
@@ skipping 584 matching lines @@
 
 bool HTMLInputElement::hasFallbackContent() const {
   return m_inputTypeView->hasFallbackContent();
 }
 
 void HTMLInputElement::setFilesFromPaths(const Vector<String>& paths) {
   return m_inputType->setFilesFromPaths(paths);
 }
 
 }  // namespace blink