Refactors DockedWindowLayoutManager in terms of ash/wm/common

ash/system/ime/tray_ime_chromeos.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 "ash/system/ime/tray_ime_chromeos.h"
 
 #include <vector>
 
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/root_window_controller.h"
@@ skipping 334 matching lines @@
   default_ = NULL;
 }
 
 void TrayIME::DestroyDetailedView() {
   detailed_ = NULL;
 }
 
 void TrayIME::UpdateAfterLoginStatusChange(user::LoginStatus status) {
 }
 
-void TrayIME::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) {
+void TrayIME::UpdateAfterShelfAlignmentChange(wm::ShelfAlignment alignment) {
   SetTrayLabelItemBorder(tray_label_, alignment);
   tray_label_->Layout();
 }
 
 void TrayIME::OnIMERefresh() {
   // Caches the current ime state.
   SystemTrayDelegate* delegate = Shell::GetInstance()->system_tray_delegate();
   ime_list_.clear();
   property_list_.clear();
   delegate->GetCurrentIME(&current_ime_);
@@ skipping 10 matching lines @@
   else
     Update();
 }
 
 bool TrayIME::ShouldDefaultViewBeVisible() {
   return is_visible_ && (ime_list_.size() > 1 || property_list_.size() > 1 ||
                          ShouldShowKeyboardToggle());
 }
 
 }  // namespace ash