Update the layout of opt-in IME menu.

ash/common/system/tray/system_tray.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/tray/system_tray.h"
 
 #include <algorithm>
 #include <map>
 #include <vector>
 
@@ skipping 98 matching lines @@
     }
 
     DISALLOW_COPY_AND_ASSIGN(PaddingView);
   };
 
   DISALLOW_COPY_AND_ASSIGN(PaddingTrayItem);
 };
 
 }  // namespace
 
-// The minimum width of the system tray menu.
-const int kMinimumSystemTrayMenuWidth = 300;
-const int kMinimumSystemTrayMenuWidthMd = 352;
-
 // Class to initialize and manage the SystemTrayBubble and TrayBubbleWrapper
 // instances for a bubble.
 
 class SystemBubbleWrapper {
  public:
   // Takes ownership of |bubble|.
   explicit SystemBubbleWrapper(SystemTrayBubble* bubble)
       : bubble_(bubble), is_persistent_(false) {}
 
   // Initializes the bubble view and creates |bubble_wrapper_|.
@@ skipping 438 matching lines @@
     DestroySystemBubble();
 
     // Remember if the menu is a single property (like e.g. volume) or the
     // full tray menu. Note that in case of the |BUBBLE_USE_EXISTING| case
     // above, |full_system_tray_menu_| does not get changed since the fact that
     // the menu is full (or not) doesn't change even if a "single property"
     // (like network) replaces most of the menu.
     full_system_tray_menu_ = items.size() > 1;
 
     // The menu width is fixed for all languages in material design.
-    int menu_width = kMinimumSystemTrayMenuWidthMd;
+    int menu_width = kTrayMenuMinimumWidthMd;
     if (!MaterialDesignController::IsSystemTrayMenuMaterial()) {
       // The menu width is fixed, and it is a per language setting.
       menu_width = std::max(
-          kMinimumSystemTrayMenuWidth,
+          kTrayMenuMinimumWidth,
           WmShell::Get()->system_tray_delegate()->GetSystemTrayMenuWidth());
     }
 
     TrayBubbleView::InitParams init_params(GetAnchorAlignment(), menu_width,
                                            kTrayPopupMaxWidth);
     // TODO(oshima): Change TrayBubbleView itself.
     init_params.can_activate = false;
     if (detailed) {
       // This is the case where a volume control or brightness control bubble
       // is created.
@@ skipping 317 matching lines @@
           .work_area()
           .height();
   if (work_area_height > 0) {
     UMA_HISTOGRAM_CUSTOM_COUNTS(
         "Ash.SystemMenu.PercentageOfWorkAreaHeightCoveredByMenu",
         100 * bubble_view->height() / work_area_height, 1, 300, 100);
   }
 }
 
 }  // namespace ash