Remove the drive status from the ash try.

chrome/browser/ui/ash/system_tray_delegate_linux.cc

 // Copyright 2014 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/system_tray_delegate_linux.h"
 
 #include <string>
 
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
@@ skipping 105 matching lines @@
   virtual void ShowChromeSlow() OVERRIDE {
     chrome::ScopedTabbedBrowserDisplayer displayer(
         ProfileManager::GetPrimaryUserProfile(), chrome::HOST_DESKTOP_TYPE_ASH);
     chrome::ShowSlow(displayer.browser());
   }
 
   virtual bool ShouldShowDisplayNotification() OVERRIDE {
     return false;
   }
 
-  virtual void ShowDriveSettings() OVERRIDE {
-  }
-
   virtual void ShowIMESettings() OVERRIDE {
   }
 
   virtual void ShowHelp() OVERRIDE {
     chrome::ShowHelpForProfile(
         ProfileManager::GetLastUsedProfile(),
         chrome::HOST_DESKTOP_TYPE_ASH,
         chrome::HELP_SOURCE_MENU);
   }
 
@@ skipping 66 matching lines @@
   virtual void GetCurrentIMEProperties(
       ash::IMEPropertyInfoList* list) OVERRIDE {
   }
 
   virtual void SwitchIME(const std::string& ime_id) OVERRIDE {
   }
 
   virtual void ActivateIMEProperty(const std::string& key) OVERRIDE {
   }
 
-  virtual void CancelDriveOperation(int32 operation_id) OVERRIDE {
-  }
-
-  virtual void GetDriveOperationStatusList(
-      ash::DriveOperationStatusList* list) OVERRIDE {
-  }
-
   virtual void ShowNetworkConfigure(const std::string& network_id,
                                     gfx::NativeWindow parent_window) OVERRIDE {
   }
 
   virtual bool EnrollNetwork(const std::string& network_id,
                              gfx::NativeWindow parent_window) OVERRIDE {
     return true;
   }
 
   virtual void ManageBluetoothDevices() OVERRIDE {
@@ skipping 109 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegateLinux);
 };
 
 }  // namespace
 
 
 ash::SystemTrayDelegate* CreateLinuxSystemTrayDelegate() {
   return new SystemTrayDelegateLinux();
 }