Revert 88545 - Revert 88470 (broke ServiceProcessStateTest.ForceShutdown on CrOS) - Fix for syste...

chrome/browser/ui/webui/options/about_page_handler.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/webui/options/about_page_handler.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
@@ skipping 253 matching lines @@
   web_ui_->RegisterMessageCallback("CheckNow",
       NewCallback(this, &AboutPageHandler::CheckNow));
   web_ui_->RegisterMessageCallback("RestartNow",
       NewCallback(this, &AboutPageHandler::RestartNow));
 #endif
 }
 
 void AboutPageHandler::PageReady(const ListValue* args) {
 #if defined(OS_CHROMEOS)
   // Version information is loaded from a callback
+  loader_.EnablePlatformVersions(true);
   loader_.GetVersion(&consumer_,
                      NewCallback(this, &AboutPageHandler::OnOSVersion),
                      chromeos::VersionLoader::VERSION_FULL);
   loader_.GetFirmware(&consumer_,
                       NewCallback(this, &AboutPageHandler::OnOSFirmware));
 
   chromeos::UpdateLibrary* update_library =
       chromeos::CrosLibrary::Get()->GetUpdateLibrary();
 
   update_observer_.reset(new UpdateObserver(this));
@@ skipping 157 matching lines @@
   if (chromeos::CrosLibrary::Get()->GetUpdateLibrary()->HasObserver(observer)) {
     // If UpdateLibrary still has the observer, then the page handler is valid.
     AboutPageHandler* handler = observer->page_handler();
     scoped_ptr<Value> channel_string(Value::CreateStringValue(channel));
     handler->web_ui_->CallJavascriptFunction(
         "AboutPage.updateSelectedOptionCallback", *channel_string);
   }
 }
 
 #endif  // defined(OS_CHROMEOS)