Enable the FocusController on DesktopAura too.

ui/views/widget/widget_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 "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/events/event_utils.h"
@@ skipping 1166 matching lines @@
 #if !defined(OS_CHROMEOS)
   init_params.native_widget = new DesktopNativeWidgetAura(&widget);
 #endif
   widget.Init(init_params);
   widget.SetContentsView(contents_view);
   widget.Show();
   widget.Activate();
   contents_view->RequestFocus();
   EXPECT_TRUE(contents_view->HasFocus());
 
-  // Show a buble.
+  // Show a bubble.
   BubbleDelegateView* bubble_delegate_view =
       new BubbleDelegateView(contents_view, BubbleBorder::TOP_LEFT);
   bubble_delegate_view->set_focusable(true);
   Widget* bubble_widget =
       BubbleDelegateView::CreateBubble(bubble_delegate_view);
   bubble_delegate_view->Show();
   bubble_delegate_view->RequestFocus();
 
   // |contents_view_| should no longer have focus.
   EXPECT_FALSE(contents_view->HasFocus());
@@ skipping 207 matching lines @@
     EXPECT_EQ(1, scroll_view->GetEventCount(ui::ET_GESTURE_SCROLL_BEGIN));
     EXPECT_EQ(1, scroll_view->GetEventCount(ui::ET_GESTURE_SCROLL_UPDATE));
     EXPECT_EQ(1, scroll_view->GetEventCount(ui::ET_GESTURE_SCROLL_END));
   }
 
   widget->CloseNow();
 }
 
 }  // namespace
 }  // namespace views