Revert of Updates the IME list when the IME has refreshed.

ash/common/system/chromeos/ime_menu/ime_menu_tray.cc

Index: ash/common/system/chromeos/ime_menu/ime_menu_tray.cc
diff --git a/ash/common/system/chromeos/ime_menu/ime_menu_tray.cc b/ash/common/system/chromeos/ime_menu/ime_menu_tray.cc
index ab22727cc81659bdf33da0cdba67af095de09613..b98267b3ed70db7041fcef23d01e7fca5ec3e55a 100644
--- a/ash/common/system/chromeos/ime_menu/ime_menu_tray.cc
+++ b/ash/common/system/chromeos/ime_menu/ime_menu_tray.cc
@@ -59,10 +59,10 @@
                                            int accessible_name_id,
                                            int message_id,
                                            int right_border) {
-  TrayPopupHeaderButton* button =
-      new TrayPopupHeaderButton(listener, enabled_resource_id,
-                                disabled_resource_id, enabled_resource_id_hover,
-                                disabled_resource_id_hover, accessible_name_id);
+  TrayPopupHeaderButton* button = new ash::TrayPopupHeaderButton(
+      listener, enabled_resource_id, disabled_resource_id,
+      enabled_resource_id_hover, disabled_resource_id_hover,
+      accessible_name_id);
   button->SetTooltipText(l10n_util::GetStringUTF16(message_id));
   button->SetBorder(views::Border::CreateSolidSidedBorder(0, 0, 0, right_border,
                                                           kBorderDarkColor));
@@ -159,7 +159,7 @@
 
 void ImeMenuTray::SetShelfAlignment(ShelfAlignment alignment) {
   TrayBackgroundView::SetShelfAlignment(alignment);
-  if (!MaterialDesignController::IsShelfMaterial())
+  if (!ash::MaterialDesignController::IsShelfMaterial())
     tray_container()->SetBorder(views::Border::NullBorder());
 }
 
@@ -186,15 +186,6 @@
 
 void ImeMenuTray::OnIMERefresh() {
   UpdateTrayLabel();
-  if (bubble_ && ime_list_view_) {
-    SystemTrayDelegate* delegate = WmShell::Get()->system_tray_delegate();
-    IMEInfoList list;
-    delegate->GetAvailableIMEList(&list);
-    IMEPropertyInfoList property_list;
-    delegate->GetCurrentIMEProperties(&property_list);
-    ime_list_view_->Update(list, property_list, false,
-                           ImeListView::SHOW_SINGLE_IME);
-  }
 }
 
 void ImeMenuTray::OnIMEMenuActivationChanged(bool is_activated) {
@@ -206,6 +197,7 @@
 }
 
 void ImeMenuTray::BubbleViewDestroyed() {
+  SetDrawBackgroundAsActive(false);
 }
 
 void ImeMenuTray::OnMouseEnteredView() {}
@@ -275,14 +267,14 @@
   bubble_view->set_margins(gfx::Insets(7, 0, 0, 0));
   bubble_view->SetArrowPaintType(views::BubbleBorder::PAINT_NONE);
 
+  ImeListView* ime_list_view =
+      new ImeListView(nullptr, false, ImeListView::SHOW_SINGLE_IME);
+  if (ime_list_view->scroll_content()->height() > GetImeListViewMaxHeight()) {
+    ime_list_view->scroller()->SetFixedSize(
+        gfx::Size(kTrayPopupMaxWidth, GetImeListViewMaxHeight()));
+  }
   // Adds IME list to the bubble.
-  ime_list_view_ =
-      new ImeListView(nullptr, false, ImeListView::SHOW_SINGLE_IME);
-  if (ime_list_view_->scroll_content()->height() > GetImeListViewMaxHeight()) {
-    ime_list_view_->scroller()->SetFixedSize(
-        gfx::Size(kTrayPopupMaxWidth, GetImeListViewMaxHeight()));
-  }
-  bubble_view->AddChildView(ime_list_view_);
+  bubble_view->AddChildView(ime_list_view);
 
   // Adds IME buttons to the bubble if needed.
   LoginStatus login =
@@ -291,13 +283,12 @@
       !WmShell::Get()->GetSessionStateDelegate()->IsInSecondaryLoginScreen())
     bubble_view->AddChildView(new ImeButtonsView(false, false, false, true));
 
-  bubble_.reset(new TrayBubbleWrapper(this, bubble_view));
+  bubble_.reset(new ash::TrayBubbleWrapper(this, bubble_view));
   SetDrawBackgroundAsActive(true);
 }
 
 void ImeMenuTray::HideImeMenuBubble() {
   bubble_.reset();
-  ime_list_view_ = nullptr;
   SetDrawBackgroundAsActive(false);
 }