Show online help for nonofficial build where HelpApp is missing

chrome/browser/ui/browser.cc

 // Copyright (c) 2011 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/browser.h"
 
 #if defined(OS_WIN)
 #include <shellapi.h>
 #include <windows.h>
 #endif  // OS_WIN
@@ skipping 121 matching lines @@
 #include "chrome/browser/chromeos/boot_times_loader.h"
 #endif
 
 using base::TimeDelta;
 
 ///////////////////////////////////////////////////////////////////////////////
 
 namespace {
 
 // The URL to be loaded to display Help.
+const char kHelpContentUrl[] =
 #if defined(OS_CHROMEOS)
-const char kHelpContentUrl[] =
-    "chrome-extension://honijodknafkokifofgiaalefdiedpko/main.html";
+  #if defined(OFFICIAL_BUILD)
+      "chrome-extension://honijodknafkokifofgiaalefdiedpko/main.html";
+  #else
+      "http://www.google.com/support/chromeos/";
+  #endif
 #else
-const char kHelpContentUrl[] =
     "http://www.google.com/support/chrome/";
 #endif
 
 // The URL to be opened when the Help link on the Autofill dialog is clicked.
 const char kAutofillHelpUrl[] =
 #if defined(OS_CHROMEOS)
     "http://www.google.com/support/chromeos/bin/answer.py?answer=142893";
 #else
     "http://www.google.com/support/chrome/bin/answer.py?answer=142893";
 #endif
@@ skipping 4104 matching lines @@
     // The page transition below is only for the purpose of inserting the tab.
     browser->AddTab(view_source_contents, PageTransition::LINK);
   }
 
   if (profile_->HasSessionService()) {
     SessionService* session_service = profile_->GetSessionService();
     if (session_service)
       session_service->TabRestored(&view_source_contents->controller(), false);
   }
 }