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

chrome/browser/ui/webui/help/help_handler.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/ui/webui/help/help_handler.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 286 matching lines @@
   DCHECK(args->empty());
   Browser* browser = browser::FindBrowserWithWebContents(
       web_ui()->GetWebContents());
   browser->OpenFeedbackDialog();
 }
 
 void HelpHandler::OpenHelpPage(const base::ListValue* args) {
   DCHECK(args->empty());
   Browser* browser = browser::FindBrowserWithWebContents(
       web_ui()->GetWebContents());
-  browser->ShowHelpTab();
+  browser->ShowHelpTab(Browser::HELP_SOURCE_WEBUI);
 }
 
 #if defined(OS_CHROMEOS)
 
 void HelpHandler::SetReleaseTrack(const ListValue* args) {
   if (!CanChangeReleaseChannel()) {
     LOG(WARNING) << "Non-owner tried to change release track.";
     return;
   }
 
@@ skipping 113 matching lines @@
 
     // Note that this string will be internationalized.
     string16 last_updated = base::TimeFormatFriendlyDate(time);
     g_last_updated_string = Value::CreateStringValue(last_updated);
   }
 
   web_ui()->CallJavascriptFunction("help.HelpPage.setLastUpdated",
                                    *g_last_updated_string);
 }
 #endif // defined(OS_CHROMEOS)