[chromeos] Remove dependencies of StatisticsProvider on chrome.

chrome/browser/chromeos/login/scoped_gaia_auth_extension.cc

 // Copyright 2013 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/login/scoped_gaia_auth_extension.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/chromeos/system/statistics_provider.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_switches.h"
+#include "chromeos/chromeos_constants.h"
 #include "grit/browser_resources.h"
 
 namespace chromeos {
 
 namespace {
 
 extensions::ComponentLoader* GetComponentLoader(Profile* profile) {
   extensions::ExtensionSystem* extension_system =
       extensions::ExtensionSystem::Get(profile);
   ExtensionService* extension_service = extension_system->extension_service();
   return extension_service->component_loader();
 }
 
 void LoadGaiaAuthExtension(Profile* profile) {
   extensions::ComponentLoader* component_loader = GetComponentLoader(profile);
   const CommandLine* command_line = CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kAuthExtensionPath)) {
     base::FilePath auth_extension_path =
         command_line->GetSwitchValuePath(switches::kAuthExtensionPath);
     component_loader->Add(IDR_GAIA_TEST_AUTH_MANIFEST, auth_extension_path);
     return;
   }
 
   bool force_keyboard_oobe = false;
   chromeos::system::StatisticsProvider* provider =
       chromeos::system::StatisticsProvider::GetInstance();
-  provider->GetMachineFlag(chrome::kOemKeyboardDrivenOobeKey,
+  provider->GetMachineFlag(chromeos::kOemKeyboardDrivenOobeKey,
                            &force_keyboard_oobe);
   if (force_keyboard_oobe) {
     component_loader->Add(IDR_GAIA_AUTH_KEYBOARD_MANIFEST,
                           base::FilePath(FILE_PATH_LITERAL("gaia_auth")));
   } else {
     component_loader->Add(IDR_GAIA_AUTH_MANIFEST,
                           base::FilePath(FILE_PATH_LITERAL("gaia_auth")));
   }
 }
 
 void UnloadGaiaAuthExtension(Profile* profile) {
   const char kGaiaAuthId[] = "mfffpogegjflfpflabcdkioaeobkgjik";
   GetComponentLoader(profile)->Remove(kGaiaAuthId);
 }
 
 }  // namespace
 
 ScopedGaiaAuthExtension::ScopedGaiaAuthExtension(Profile* profile)
     : profile_(profile) {
   LoadGaiaAuthExtension(profile_);
 }
 
 ScopedGaiaAuthExtension::~ScopedGaiaAuthExtension() {
   UnloadGaiaAuthExtension(profile_);
 }
 
 }  // namespace chromeos