It is time.

ui/views/controls/resize_area.cc

Index: ui/views/controls/resize_area.cc
diff --git a/ui/views/controls/resize_area.cc b/ui/views/controls/resize_area.cc
deleted file mode 100644
index 66759106dfadf47b52714ffcd0381b1e4c2c06f8..0000000000000000000000000000000000000000
--- a/ui/views/controls/resize_area.cc
+++ /dev/null
@@ -1,79 +0,0 @@
-// Copyright (c) 2012 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/views/controls/resize_area.h"
-
-#include "base/logging.h"
-#include "ui/accessibility/ax_view_state.h"
-#include "ui/base/cursor/cursor.h"
-#include "ui/views/controls/resize_area_delegate.h"
-#include "ui/views/native_cursor.h"
-
-namespace views {
-
-const char ResizeArea::kViewClassName[] = "ResizeArea";
-
-////////////////////////////////////////////////////////////////////////////////
-// ResizeArea
-
-ResizeArea::ResizeArea(ResizeAreaDelegate* delegate)
-    : delegate_(delegate),
-      initial_position_(0) {
-}
-
-ResizeArea::~ResizeArea() {
-}
-
-const char* ResizeArea::GetClassName() const {
-  return kViewClassName;
-}
-
-gfx::NativeCursor ResizeArea::GetCursor(const ui::MouseEvent& event) {
-  return enabled() ? GetNativeEastWestResizeCursor()
-                   : gfx::kNullCursor;
-}
-
-bool ResizeArea::OnMousePressed(const ui::MouseEvent& event) {
-  if (!event.IsOnlyLeftMouseButton())
-    return false;
-
-  // The resize area obviously will move once you start dragging so we need to
-  // convert coordinates to screen coordinates so that we don't lose our
-  // bearings.
-  gfx::Point point(event.x(), 0);
-  View::ConvertPointToScreen(this, &point);
-  initial_position_ = point.x();
-
-  return true;
-}
-
-bool ResizeArea::OnMouseDragged(const ui::MouseEvent& event) {
-  if (!event.IsLeftMouseButton())
-    return false;
-
-  ReportResizeAmount(event.x(), false);
-  return true;
-}
-
-void ResizeArea::OnMouseReleased(const ui::MouseEvent& event) {
-  ReportResizeAmount(event.x(), true);
-}
-
-void ResizeArea::OnMouseCaptureLost() {
-  ReportResizeAmount(initial_position_, true);
-}
-
-void ResizeArea::GetAccessibleState(ui::AXViewState* state) {
-  state->role = ui::AX_ROLE_SPLITTER;
-}
-
-void ResizeArea::ReportResizeAmount(int resize_amount, bool last_update) {
-  gfx::Point point(resize_amount, 0);
-  View::ConvertPointToScreen(this, &point);
-  resize_amount = point.x() - initial_position_;
-  delegate_->OnResize(base::i18n::IsRTL() ? -resize_amount : resize_amount,
-                      last_update);
-}
-
-}  // namespace views