[Refactor] Consolidate the logic for whether a widget can be activated.

ash/wm/overview/window_selector_item.cc

 // Copyright 2013 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/wm/overview/window_selector_item.h"
 
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/overview/scoped_transform_overview_window.h"
@@ skipping 24 matching lines @@
 static const int kVerticalShadowOffset = 1;
 
 // Amount of blur applied to the label shadow
 static const int kShadowBlur = 10;
 
 views::Widget* CreateWindowLabel(aura::Window* root_window,
                                  const base::string16 title) {
   views::Widget* widget = new views::Widget;
   views::Widget::InitParams params;
   params.type = views::Widget::InitParams::TYPE_POPUP;
-  params.can_activate = false;
   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
   params.parent =
       Shell::GetContainer(root_window, ash::kShellWindowId_OverlayContainer);
   params.accept_events = false;
   params.visible_on_all_workspaces = true;
   widget->set_focus_on_creation(false);
   widget->Init(params);
   views::Label* label = new views::Label;
   label->SetEnabledColor(kLabelColor);
@@ skipping 96 matching lines @@
           ScopedTransformOverviewWindow::kTransitionMilliseconds));
       window_label_->GetNativeWindow()->SetBounds(label_bounds);
     } else {
       window_label_->GetNativeWindow()->SetBounds(label_bounds);
     }
   }
 
 }
 
 }  // namespace ash