ash: Add a bluetooth entry in the uber tray.

ash/shell.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/shell.h"
 
 #include <algorithm>
 
 #include "ash/app_list/app_list.h"
 #include "ash/ash_switches.h"
@@ skipping 296 matching lines @@
   }
 
   virtual void ShutDown() OVERRIDE {}
 
   virtual void SignOut() OVERRIDE {
     MessageLoop::current()->Quit();
   }
 
   virtual void RequestLockScreen() OVERRIDE {}
 
+  virtual BluetoothDeviceList GetAvailableBluetoothDevices() OVERRIDE {
+    return BluetoothDeviceList();
+  }
+
   virtual NetworkIconInfo GetMostRelevantNetworkIcon(bool large) OVERRIDE {
     return NetworkIconInfo();
   }
 
   virtual void GetAvailableNetworks(
       std::vector<NetworkIconInfo>* list) OVERRIDE {
   }
 
   virtual void ConnectToNetwork(const std::string& network_id) OVERRIDE {
   }
@@ skipping 429 matching lines @@
   // Create the desktop background image.
   desktop_background_controller_->SetDefaultDesktopBackgroundImage();
 }
 
 void Shell::DisableWorkspaceGridLayout() {
   if (workspace_controller_.get())
     workspace_controller_->workspace_manager()->set_grid_size(0);
 }
 
 }  // namespace ash