Remove ash tray utility functions that are no-ops in MD.

ash/common/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/common/system/ime/tray_ime_chromeos.h"
 
 #include <vector>
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/session/session_state_delegate.h"
@@ skipping 251 matching lines @@
     tray_label_->SetVisible(visible);
     // Do not change label before hiding because this change is noticeable.
     if (!visible)
       return;
     if (current.third_party) {
       tray_label_->label()->SetText(current.short_name +
                                     base::UTF8ToUTF16("*"));
     } else {
       tray_label_->label()->SetText(current.short_name);
     }
-    SetTrayLabelItemBorder(tray_label_, system_tray()->shelf_alignment());
     tray_label_->Layout();
   }
 }
 
 bool TrayIME::ShouldShowKeyboardToggle() {
   return keyboard_suppressed_ && !Shell::GetInstance()
                                       ->accessibility_delegate()
                                       ->IsVirtualKeyboardEnabled();
 }
 
@@ skipping 43 matching lines @@
 }
 
 void TrayIME::DestroyDefaultView() {
   default_ = NULL;
 }
 
 void TrayIME::DestroyDetailedView() {
   detailed_ = NULL;
 }
 
-void TrayIME::UpdateAfterLoginStatusChange(LoginStatus status) {}
-
-void TrayIME::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) {
-  SetTrayLabelItemBorder(tray_label_, alignment);
-  tray_label_->Layout();
-}
-
 void TrayIME::OnIMERefresh() {
   // Caches the current ime state.
   SystemTrayDelegate* delegate = WmShell::Get()->system_tray_delegate();
   ime_list_.clear();
   property_list_.clear();
   delegate->GetCurrentIME(&current_ime_);
   delegate->GetAvailableIMEList(&ime_list_);
   delegate->GetCurrentIMEProperties(&property_list_);
   ime_managed_message_ = delegate->GetIMEManagedMessage();
 
@@ skipping 25 matching lines @@
   return ime_count >= threshold;
 }
 
 ImeListView::SingleImeBehavior TrayIME::GetSingleImeBehavior() {
   // If managed, we also want to show a single IME.
   return IsIMEManaged() ? ImeListView::SHOW_SINGLE_IME
                         : ImeListView::HIDE_SINGLE_IME;
 }
 
 }  // namespace ash