Fix broken threading model in CheckDesktopNotificationPermission

chrome/browser/profiles/profile_io_data.h

Index: chrome/browser/profiles/profile_io_data.h
diff --git a/chrome/browser/profiles/profile_io_data.h b/chrome/browser/profiles/profile_io_data.h
index b835b2b59b37955af9f1e25a1e09e79b84bfb07e..3dce3ffb02bc2fc20763ca1b2c5d2d9f0bf35de9 100644
--- a/chrome/browser/profiles/profile_io_data.h
+++ b/chrome/browser/profiles/profile_io_data.h
@@ -29,7 +29,6 @@
 class ChromeHttpUserAgentSettings;
 class ChromeNetworkDelegate;
 class CookieSettings;
-class DesktopNotificationService;
 class HostContentSettingsMap;
 class ManagedModeURLFilter;
 class Profile;
@@ -120,10 +119,6 @@ class ProfileIOData {
   CookieSettings* GetCookieSettings() const;
   HostContentSettingsMap* GetHostContentSettingsMap() const;
 
-#if defined(ENABLE_NOTIFICATIONS)
-  DesktopNotificationService* GetNotificationService() const;
-#endif
-
   IntegerPrefMember* session_startup_pref() const {
     return &session_startup_pref_;
   }
@@ -257,10 +252,6 @@ class ProfileIOData {
     scoped_ptr<chrome_browser_net::ResourcePrefetchPredictorObserver>
         resource_prefetch_predictor_observer_;
 
-#if defined(ENABLE_NOTIFICATIONS)
-    DesktopNotificationService* notification_service;
-#endif
-
     // This pointer exists only as a means of conveying a url job factory
     // pointer from the protocol handler registry on the UI thread to the
     // the URLRequestContext on the IO thread. The consumer MUST take
@@ -504,10 +495,6 @@ class ProfileIOData {
   mutable scoped_ptr<net::CertVerifier> cert_verifier_;
 #endif
 
-#if defined(ENABLE_NOTIFICATIONS)
-  mutable DesktopNotificationService* notification_service_;
-#endif
-
   mutable scoped_ptr<net::TransportSecurityPersister>
       transport_security_persister_;