chromeos: Refactor system tray "show settings" commands to use mojo

ash/common/system/user/user_card_view.cc

 // Copyright 2014 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/user/user_card_view.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "ash/common/login_status.h"
 #include "ash/common/session/session_state_delegate.h"
+#include "ash/common/system/tray/system_tray_controller.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/system/tray/system_tray_notifier.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray/tray_utils.h"
 #include "ash/common/system/user/rounded_image_view.h"
 #include "ash/common/wm_shell.h"
 #include "base/i18n/rtl.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
@@ skipping 239 matching lines @@
   for (ScopedVector<gfx::RenderText>::const_iterator it = lines_.begin();
        it != lines_.end(); ++it) {
     (*it)->Draw(canvas);
   }
   views::View::OnPaint(canvas);
 }
 
 void PublicAccountUserDetails::LinkClicked(views::Link* source,
                                            int event_flags) {
   DCHECK_EQ(source, learn_more_);
-  WmShell::Get()->system_tray_delegate()->ShowPublicAccountInfo();
+  WmShell::Get()->system_tray_controller()->ShowPublicAccountInfo();
 }
 
 void PublicAccountUserDetails::CalculatePreferredSize(int max_allowed_width) {
   const gfx::FontList font_list;
   const gfx::Size link_size = learn_more_->GetPreferredSize();
   const int space_width =
       gfx::GetStringWidth(base::ASCIIToUTF16(" "), font_list);
   const gfx::Insets insets = GetInsets();
   int min_width = link_size.width();
   int max_width = std::min(
@@ skipping 159 matching lines @@
   } else {
     SessionStateDelegate* delegate = WmShell::Get()->GetSessionStateDelegate();
     icon->SetImage(delegate->GetUserInfo(user_index)->GetImage(),
                    gfx::Size(kTrayItemSize, kTrayItemSize));
   }
   return icon;
 }
 
 }  // namespace tray
 }  // namespace ash