Move EmptyString, kWhitespace and the BOM to base.

chromeos/disks/disk_mount_manager.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 "chromeos/disks/disk_mount_manager.h"
 
 #include <map>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 570 matching lines @@
           it->second->device_path() == path) {
         *device_path = it->second->device_path();
         return;
       }
     }
   }
 
   // Finds system path prefix from |system_path|.
   const std::string& FindSystemPathPrefix(const std::string& system_path) {
     if (system_path.empty())
-      return EmptyString();
+      return base::EmptyString();
     for (SystemPathPrefixSet::const_iterator it = system_path_prefixes_.begin();
          it != system_path_prefixes_.end();
          ++it) {
       const std::string& prefix = *it;
       if (StartsWithASCII(system_path, prefix, true))
         return prefix;
     }
-    return EmptyString();
+    return base::EmptyString();
   }
 
   // Mount event change observers.
   ObserverList<Observer> observers_;
 
   CrosDisksClient* cros_disks_client_;
 
   // The list of disks found.
   DiskMountManager::DiskMap disks_;
 
@@ skipping 122 matching lines @@
   VLOG(1) << "DiskMountManager Shutdown completed";
 }
 
 // static
 DiskMountManager* DiskMountManager::GetInstance() {
   return g_disk_mount_manager;
 }
 
 }  // namespace disks
 }  // namespace chromeos