Refactor ScrollableArea::setScrollPosition.

third_party/WebKit/Source/core/html/forms/TextFieldInputType.cpp

Index: third_party/WebKit/Source/core/html/forms/TextFieldInputType.cpp
diff --git a/third_party/WebKit/Source/core/html/forms/TextFieldInputType.cpp b/third_party/WebKit/Source/core/html/forms/TextFieldInputType.cpp
index 04e7e95366f6a0136ed2297eed95163c70bb80cb..2ffecaa4015912209e1f077b875ccc746d2702e5 100644
--- a/third_party/WebKit/Source/core/html/forms/TextFieldInputType.cpp
+++ b/third_party/WebKit/Source/core/html/forms/TextFieldInputType.cpp
@@ -228,13 +228,9 @@ void TextFieldInputType::forwardEvent(Event* event) {
         if (PaintLayer* innerLayer = innerEditorLayoutObject->layer()) {
           if (PaintLayerScrollableArea* innerScrollableArea =
                   innerLayer->getScrollableArea()) {
-            IntSize scrollOffset(
-                !layoutTextControl->style()->isLeftToRightDirection()
-                    ? innerScrollableArea->scrollWidth().toInt()
-                    : 0,
-                0);
-            innerScrollableArea->scrollToOffset(scrollOffset,
-                                                ScrollOffsetClamped);
+            innerScrollableArea->setScrollPosition(
+                DoublePoint(innerScrollableArea->scrollOrigin()),
+                ProgrammaticScroll, ScrollBehaviorInstant);
           }
         }
       }