Change "Add Device" button to "Manage Devices" on ash tray bluetooth page.

ash/system/tray/system_tray_delegate.h

 // 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.
 
 #ifndef ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 235 matching lines @@
   // Returns information about the ongoing drive operations.
   virtual void GetDriveOperationStatusList(
       DriveOperationStatusList* list) = 0;
 
   // Shows UI to configure or activate the network specified by |network_id|.
   virtual void ConfigureNetwork(const std::string& network_id) = 0;
 
   // Sends a connect request for the network specified by |network_id|.
   virtual void ConnectToNetwork(const std::string& network_id) = 0;
 
-  // Shows UI to add a new bluetooth device.
-  virtual void AddBluetoothDevice() = 0;
+  // Shows UI to manage bluetooth devices.
+  virtual void ManageBluetoothDevices() = 0;
 
   // Toggles bluetooth.
   virtual void ToggleBluetooth() = 0;
 
   // Shows UI to unlock a mobile sim.
   virtual void ShowMobileSimDialog() = 0;
 
   // Shows UI to connect to an unlisted wifi network.
   virtual void ShowOtherWifi() = 0;
 
@@ skipping 47 matching lines @@
   // Speaks the given text if spoken feedback is enabled.
   virtual void MaybeSpeak(const std::string& utterance) const = 0;
 
   // Creates a dummy delegate for testing.
   static SystemTrayDelegate* CreateDummyDelegate();
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_