[Panel refactor] Deprecate old panels.

chrome/browser/ui/panels/docked_panel_strip.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/panels/docked_panel_strip.h"
 
+#include <math.h>
+
 #include <algorithm>
 #include <vector>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
-#include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/panels/panel_manager.h"
 #include "chrome/browser/ui/panels/panel_mouse_watcher.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 
 namespace {
 // Occasionally some system, like Windows, might not bring up or down the bottom
 // bar when the mouse enters or leaves the bottom screen area. This is the
 // maximum time we will wait for the bottom bar visibility change notification.
@@ skipping 835 matching lines @@
 void DockedPanelStrip::OnPanelActiveStateChanged(Panel* panel) {
   // Refresh layout, but wait till active states settle.
   // This lets us avoid refreshing too many times when one panel loses
   // focus and another gains it.
   ScheduleLayoutRefresh();
 }
 
 bool DockedPanelStrip::HasPanel(Panel* panel) const {
   return find(panels_.begin(), panels_.end(), panel) != panels_.end();
 }