Remove LayoutFileUploadControl::PositionForPoint().

The function was added in crrev.com/fa5be439.
File upload controls are still non-selectable after this change.

Bug: 1040828
Change-Id: Ibb25b67a319ee21163df592b124b406dba96ebe3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2002269Reviewed-by: Yoshifumi Inoue <yosin@chromium.org>
Commit-Queue: Kent Tamura <tkent@chromium.org>
Cr-Commit-Position: refs/heads/master@{#732287}

third_party/blink/renderer/core/layout/layout_file_upload_control.cc

@@ -23,7 +23,6 @@
 #include <math.h>
 #include "third_party/blink/public/strings/grit/blink_strings.h"
 #include "third_party/blink/renderer/core/dom/shadow_root.h"
-#include "third_party/blink/renderer/core/editing/position_with_affinity.h"
 #include "third_party/blink/renderer/core/fileapi/file_list.h"
 #include "third_party/blink/renderer/core/html/forms/html_input_element.h"
 #include "third_party/blink/renderer/core/input_type_names.h"
@@ -144,11 +143,6 @@ void LayoutFileUploadControl::ComputePreferredLogicalWidths() {
   ClearPreferredLogicalWidthsDirty();
 }
 
-PositionWithAffinity LayoutFileUploadControl::PositionForPoint(
-    const PhysicalOffset&) const {
-  return PositionWithAffinity();
-}
-
 HTMLInputElement* LayoutFileUploadControl::UploadButton() const {
   return To<HTMLInputElement>(GetNode())->UploadButton();
 }

third_party/blink/renderer/core/layout/layout_file_upload_control.h

@@ -71,8 +71,6 @@ class CORE_EXPORT LayoutFileUploadControl final : public LayoutBlockFlow {
                    const PhysicalOffset& paint_offset) const override;
 
   int MaxFilenameWidth() const;
-
-  PositionWithAffinity PositionForPoint(const PhysicalOffset&) const override;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutFileUploadControl, IsFileUploadControl());