Remove a bunch of dead files after the win aura switch.

chrome/browser/ui/views/dropdown_bar_host_win.cc

-// 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 "chrome/browser/ui/views/dropdown_bar_host.h"
-
-#include "chrome/browser/ui/find_bar/find_bar_controller.h"
-#include "chrome/browser/ui/views/frame/browser_view.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_view.h"
-#include "ui/events/event.h"
-#include "ui/events/keycodes/keyboard_code_conversion_win.h"
-#include "ui/views/controls/scrollbar/native_scroll_bar.h"
-
-using content::NativeWebKeyboardEvent;
-using content::WebContents;
-
-NativeWebKeyboardEvent DropdownBarHost::GetKeyboardEvent(
-     const WebContents* contents,
-     const ui::KeyEvent& key_event) {
-  HWND hwnd = contents->GetView()->GetContentNativeView();
-  WORD key = WindowsKeyCodeForKeyboardCode(key_event.key_code());
-
-  MSG msg = { hwnd, key_event.native_event().message, key, 0 };
-  return NativeWebKeyboardEvent(msg);
-}
-
-void DropdownBarHost::SetWidgetPositionNative(const gfx::Rect& new_pos,
-                                              bool no_redraw) {
-  DWORD swp_flags = SWP_NOOWNERZORDER;
-  if (no_redraw)
-    swp_flags |= SWP_NOREDRAW;
-  if (!host_->IsVisible())
-    swp_flags |= SWP_SHOWWINDOW;
-
-  ::SetWindowPos(host_->GetNativeView(), HWND_TOP, new_pos.x(), new_pos.y(),
-                 new_pos.width(), new_pos.height(), swp_flags);
-}
-
-void DropdownBarHost::SetHostViewNative(views::View* host_view) {
-  // TODO(pkotwicz): Implement controlling the z-order of hwnds associated to a
-  // host view via the z-order of the host views in |browser_view_|'s view tree.
-}