Remove the drive status from the ash try.

chrome/browser/ui/ash/system_tray_delegate_linux.cc

Index: chrome/browser/ui/ash/system_tray_delegate_linux.cc
diff --git a/chrome/browser/ui/ash/system_tray_delegate_linux.cc b/chrome/browser/ui/ash/system_tray_delegate_linux.cc
index db5e8130e04d5ab848a3120a3d187443a75e0fc7..756cb3eed75b33a848b791fd2470f86e1aab391f 100644
--- a/chrome/browser/ui/ash/system_tray_delegate_linux.cc
+++ b/chrome/browser/ui/ash/system_tray_delegate_linux.cc
@@ -123,9 +123,6 @@ class SystemTrayDelegateLinux : public ash::SystemTrayDelegate,
     return false;
   }
 
-  virtual void ShowDriveSettings() OVERRIDE {
-  }
-
   virtual void ShowIMESettings() OVERRIDE {
   }
 
@@ -212,13 +209,6 @@ class SystemTrayDelegateLinux : public ash::SystemTrayDelegate,
   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 {
   }