Added Ash.SystemMenu.DefaultView.VisibleItems histogram.

ash/shelf/shelf_layout_manager_unittest.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/shelf/shelf_layout_manager.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/ash_switches.h"
@@ skipping 249 matching lines @@
 
   bool changed_auto_hide_state_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfLayoutObserverTest);
 };
 
 // Trivial item implementation that tracks its views for testing.
 class TestItem : public SystemTrayItem {
  public:
   TestItem()
-      : SystemTrayItem(GetSystemTray()),
+      : SystemTrayItem(GetSystemTray(), NETWORK),
         tray_view_(nullptr),
         default_view_(nullptr),
         detailed_view_(nullptr),
         notification_view_(nullptr) {}
 
   views::View* CreateTrayView(LoginStatus status) override {
     tray_view_ = new views::View;
     // Add a label so it has non-zero width.
     tray_view_->SetLayoutManager(new views::FillLayout);
     tray_view_->AddChildView(new views::Label(base::UTF8ToUTF16("Tray")));
@@ skipping 2001 matching lines @@
                                              ->shelf_widget()
                                              ->status_area_widget();
   EXPECT_TRUE(status_area_widget->IsVisible());
   // Shelf should be in the first display's area.
   gfx::Rect status_area_bounds(status_area_widget->GetWindowBoundsInScreen());
   EXPECT_TRUE(gfx::Rect(0, 0, 500, 400).Contains(status_area_bounds));
   EXPECT_EQ(gfx::Point(500, 400), status_area_bounds.bottom_right());
 }
 
 }  // namespace ash