Activate the status area only when it's focused using the keyboard

ash/wm/activation_controller.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/wm/activation_controller.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_modality_controller.h"
 #include "ash/wm/window_util.h"
@@ skipping 10 matching lines @@
 namespace internal {
 namespace {
 
 // These are the list of container ids of containers which may contain windows
 // that need to be activated in the order that they should be activated.
 const int kWindowContainerIds[] = {
     kShellWindowId_LockSystemModalContainer,
     kShellWindowId_LockScreenContainer,
     kShellWindowId_SystemModalContainer,
     kShellWindowId_AlwaysOnTopContainer,
+    kShellWindowId_SettingBubbleContainer,
     kShellWindowId_DefaultContainer,
 
     // Panel, launcher and status are intentionally checked after other
     // containers even though these layers are higher. The user expects their
     // windows to be focused before these elements.
     kShellWindowId_PanelContainer,
     kShellWindowId_LauncherContainer,
     kShellWindowId_StatusContainer,
-    kShellWindowId_SettingBubbleContainer,
 };
 
 aura::Window* GetContainer(int id) {
   return Shell::GetInstance()->GetContainer(id);
 }
 
 // Returns true if children of |window| can be activated.
 // These are the only containers in which windows can receive focus.
 bool SupportsChildActivation(aura::Window* window) {
   for (size_t i = 0; i < arraysize(kWindowContainerIds); i++) {
@@ skipping 203 matching lines @@
        i != container->children().rend();
        ++i) {
     if (*i != ignore && CanActivateWindow(*i))
       return *i;
   }
   return NULL;
 }
 
 }  // namespace internal
 }  // namespace ash