Move slider implemention to use pointer capture

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

Index: third_party/WebKit/Source/core/html/HTMLInputElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLInputElement.cpp b/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
index 677a9f86819cd94e5a8368f7b80a46ad5fb59109..8fd9f540312314e970d457b605873dc4605de07a 100644
--- a/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
@@ -48,6 +48,7 @@
 #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"
@@ -1281,8 +1282,8 @@ void HTMLInputElement::defaultEventHandler(Event* evt) {
     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;
   }