Turn on component updater on chromeos, only for the pnacl component.

chrome/browser/profiles/profile_manager.h

 // 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.
 
 // This class keeps track of the currently-active profiles in the runtime.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_MANAGER_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_MANAGER_H_
 
 #include <list>
@@ skipping 198 matching lines @@
   // Autoloads profiles if they are running background apps.
   void AutoloadProfiles();
 
   // Register and add testing profile to the ProfileManager. Use ONLY in tests.
   // This allows the creation of Profiles outside of the standard creation path
   // for testing. If |addToCache|, add to ProfileInfoCache as well.
   void RegisterTestingProfile(Profile* profile, bool addToCache);
 
   const base::FilePath& user_data_dir() const { return user_data_dir_; }
 
+  // For ChromeOS, determines if the user has logged in to a real profile.
+  bool IsLoggedIn() const { return logged_in_; }
+
  protected:
   // Does final initial actions.
   virtual void DoFinalInit(Profile* profile, bool go_off_the_record);
   virtual void DoFinalInitForServices(Profile* profile, bool go_off_the_record);
   virtual void DoFinalInitLogging(Profile* profile);
 
   // Creates a new profile by calling into the profile's profile creation
   // method. Virtual so that unittests can return a TestingProfile instead
   // of the Profile's result.
   virtual Profile* CreateProfileHelper(const base::FilePath& path);
@@ skipping 132 matching lines @@
 class ProfileManagerWithoutInit : public ProfileManager {
  public:
   explicit ProfileManagerWithoutInit(const base::FilePath& user_data_dir);
 
  protected:
   virtual void DoFinalInitForServices(Profile*, bool) OVERRIDE {}
   virtual void DoFinalInitLogging(Profile*) OVERRIDE {}
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_MANAGER_H_