Use different help URLs for menus, accelerators, and WebUI.

chrome/browser/chromeos/system/ash_system_tray_delegate.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 "chrome/browser/chromeos/system/ash_system_tray_delegate.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/audio/audio_observer.h"
 #include "ash/system/bluetooth/bluetooth_observer.h"
@@ skipping 312 matching lines @@
     GetAppropriateBrowser()->OpenOptionsDialog();
   }
 
   virtual void ShowIMESettings() OVERRIDE {
     content::RecordAction(
         content::UserMetricsAction("OpenLanguageOptionsDialog"));
     GetAppropriateBrowser()->ShowOptionsTab(chrome::kLanguageOptionsSubPage);
   }
 
   virtual void ShowHelp() OVERRIDE {
-    GetAppropriateBrowser()->ShowHelpTab();
+    GetAppropriateBrowser()->ShowHelpTab(Browser::HELP_SOURCE_MENU);
   }
 
   virtual bool IsAudioMuted() const OVERRIDE {
     return AudioHandler::GetInstance()->IsMuted();
   }
 
   virtual void SetAudioMuted(bool muted) OVERRIDE {
     return AudioHandler::GetInstance()->SetMuted(muted);
   }
 
@@ skipping 894 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegate);
 };
 
 }  // namespace
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate(ash::SystemTray* tray) {
   return new chromeos::SystemTrayDelegate(tray);
 }
 
 }  // namespace chromeos