Make Widget::Show() creates active windows.

ui/views/widget/native_widget_aura.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 "ui/views/widget/native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/strings/string_util.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/activation_client.h"
@@ skipping 443 matching lines @@
         base::Bind(&NativeWidgetAura::CloseNow,
                    close_widget_factory_.GetWeakPtr()));
   }
 }
 
 void NativeWidgetAura::CloseNow() {
   delete window_;
 }
 
 void NativeWidgetAura::Show() {
-  ShowWithWindowState(ui::SHOW_STATE_INACTIVE);
+  ShowWithWindowState(ui::SHOW_STATE_NORMAL);
 }
 
 void NativeWidgetAura::Hide() {
   if (window_)
     window_->Hide();
 }
 
 void NativeWidgetAura::ShowMaximizedWithBounds(
     const gfx::Rect& restored_bounds) {
   SetRestoreBounds(window_, restored_bounds);
@@ skipping 668 matching lines @@
   return aura::Env::GetInstance()->IsMouseButtonDown();
 }
 
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   return aura::Env::GetInstance()->is_touch_down();
 }
 
 }  // namespace internal
 }  // namespace views