Move EmptyString, kWhitespace and the BOM to base.

chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.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 "chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h"
 
 #include "apps/shell_window.h"
 #include "apps/shell_window_registry.h"
 #include "ash/ash_switches.h"
 #include "ash/multi_profile_uma.h"
@@ skipping 191 matching lines @@
   // will add the children but not the owner to the transient children map.
   AddTransientOwnerRecursive(window, window);
 
   if (!IsWindowOnDesktopOfUser(window, current_user_id_))
     SetWindowVisibility(window, false);
 }
 
 const std::string& MultiUserWindowManagerChromeOS::GetWindowOwner(
     aura::Window* window) {
   WindowToEntryMap::iterator it = window_to_entry_.find(window);
-  return it != window_to_entry_.end() ? it->second->owner() : EmptyString();
+  return it != window_to_entry_.end() ? it->second->owner()
+                                      : base::EmptyString();
 }
 
 void MultiUserWindowManagerChromeOS::ShowWindowForUser(
     aura::Window* window,
     const std::string& user_id) {
   // If there is either no owner, or the owner is the current user, no action
   // is required.
   const std::string& owner = GetWindowOwner(window);
   if (owner.empty() ||
       (owner == user_id && IsWindowOnDesktopOfUser(window, user_id)))
@@ skipping 34 matching lines @@
   const std::string& presenting_user = GetUserPresentingWindow(window);
   return presenting_user.empty() || presenting_user == user_id;
 }
 
 const std::string& MultiUserWindowManagerChromeOS::GetUserPresentingWindow(
     aura::Window* window) {
   WindowToEntryMap::iterator it = window_to_entry_.find(window);
   // If the window is not owned by anyone it is shown on all desktops and we
   // return the empty string.
   if (it == window_to_entry_.end())
-    return EmptyString();
+    return base::EmptyString();
   // Otherwise we ask the object for its desktop.
   return it->second->show_for_user();
 }
 
 void MultiUserWindowManagerChromeOS::AddUser(Profile* profile) {
   const std::string& user_id = multi_user_util::GetUserIDFromProfile(profile);
   if (user_id_to_app_observer_.find(user_id) != user_id_to_app_observer_.end())
     return;
 
   user_id_to_app_observer_[user_id] = new AppObserver(user_id);
@@ skipping 306 matching lines @@
     // To prevent these commands from being recorded as any other commands, we
     // are suppressing any window entry changes while this is going on.
     // Instead of calling SetWindowVisible, only show gets called here since all
     // dependents have been shown previously already.
     base::AutoReset<bool> suppressor(&suppress_visibility_changes_, true);
     window->Show();
   }
 }
 
 }  // namespace chrome