It is time.

ui/base/dragdrop/drop_target_event.cc

Index: ui/base/dragdrop/drop_target_event.cc
diff --git a/ui/base/dragdrop/drop_target_event.cc b/ui/base/dragdrop/drop_target_event.cc
deleted file mode 100644
index bbbf84a87cf5fbe86227184fac45f8800fea6cde..0000000000000000000000000000000000000000
--- a/ui/base/dragdrop/drop_target_event.cc
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright (c) 2013 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 "ui/base/dragdrop/drop_target_event.h"
-
-#include "ui/events/event_utils.h"
-
-namespace ui {
-
-////////////////////////////////////////////////////////////////////////////////
-// DropTargetEvent
-
-DropTargetEvent::DropTargetEvent(const OSExchangeData& data,
-                                 const gfx::Point& location,
-                                 const gfx::Point& root_location,
-                                 int source_operations)
-    : LocatedEvent(ET_DROP_TARGET_EVENT,
-                   location,
-                   root_location,
-                   EventTimeForNow(),
-                   0),
-      data_(data),
-      source_operations_(source_operations) {
-}
-
-}  // namespace ui
-