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

ash/display/shared_display_edge_indicator.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/display/shared_display_edge_indicator.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/coordinate_conversion.h"
 #include "third_party/skia/include/core/SkColor.h"
@@ skipping 31 matching lines @@
  private:
   SkColor color_;
   DISALLOW_COPY_AND_ASSIGN(IndicatorView);
 };
 
 views::Widget* CreateWidget(const gfx::Rect& bounds,
                             views::View* contents_view) {
   views::Widget* widget = new views::Widget;
   views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
-  params.can_activate = false;
   params.keep_on_top = true;
   // We set the context to the primary root window; this is OK because the ash
   // stacking controller will still place us in the correct RootWindow.
   params.context = Shell::GetPrimaryRootWindow();
   widget->set_focus_on_creation(false);
   widget->Init(params);
   widget->SetVisibilityChangedAnimationsEnabled(false);
   widget->GetNativeWindow()->SetName("SharedEdgeIndicator");
   widget->SetContentsView(contents_view);
   gfx::Display display = Shell::GetScreen()->GetDisplayMatching(bounds);
@@ skipping 43 matching lines @@
   int value = animation->CurrentValueBetween(0, 255);
   SkColor color = SkColorSetARGB(0xFF, value, value, value);
   if (src_indicator_)
     static_cast<IndicatorView*>(src_indicator_)->SetColor(color);
   if (dst_indicator_)
     static_cast<IndicatorView*>(dst_indicator_)->SetColor(color);
 
 }
 
 }  // namespace ash