chromeos: Move ownership of system tray width from chrome to ash

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 "ash/common/key_event_watcher.h"
 #include "ash/common/login_status.h"
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/session/session_state_delegate.h"
@@ skipping 521 matching lines @@
     // destruction, leading to subtle errors/crashes such as crbug.com/545166.
     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, and it is a per language setting.
-    int menu_width = std::max(
-        MaterialDesignController::IsSystemTrayMenuMaterial()
-            ? kMinimumSystemTrayMenuWidthMd
-            : kMinimumSystemTrayMenuWidth,
-        WmShell::Get()->system_tray_delegate()->GetSystemTrayMenuWidth());
+    int menu_width =
+        std::max(MaterialDesignController::IsSystemTrayMenuMaterial()
+                     ? kMinimumSystemTrayMenuWidthMd

[James Cook, 2016/10/26 00:03:29]

I have email out to tdanderson@ (who is working on material design system tray)
to see if the localized widths need to be adjusted for material design. As far
as I can tell from my casual testing they do not need to change.

+                     : kMinimumSystemTrayMenuWidth,
+                 l10n_util::GetLocalizedContentsWidthInPixels(
+                     IDS_SYSTEM_TRAY_MENU_BUBBLE_WIDTH_PIXELS));
 
     TrayBubbleView::InitParams init_params(TrayBubbleView::ANCHOR_TYPE_TRAY,
                                            GetAnchorAlignment(), menu_width,
                                            kTrayPopupMaxWidth);
     // TODO(oshima): Change TrayBubbleView itself.
     init_params.can_activate = false;
     init_params.first_item_has_no_margin = true;
     if (detailed) {
       // This is the case where a volume control or brightness control bubble
       // is created.
@@ skipping 331 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