Browser side support (sans UI) for desktop notifications....

chrome/browser/profile.cc

Index: chrome/browser/profile.cc
===================================================================
--- chrome/browser/profile.cc	(revision 28695)
+++ chrome/browser/profile.cc	(working copy)
@@ -27,6 +27,7 @@
 #include "chrome/browser/in_process_webkit/webkit_context.h"
 #include "chrome/browser/net/chrome_url_request_context.h"
 #include "chrome/browser/net/ssl_config_service_manager.h"
+#include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/password_manager/password_store_default.h"
 #include "chrome/browser/privacy_blacklist/blacklist.h"
 #include "chrome/browser/profile_manager.h"
@@ -459,6 +460,10 @@
     return profile_->GetBookmarkModel();
   }
 
+  virtual DesktopNotificationService* GetDesktopNotificationService() {
+    return profile_->GetDesktopNotificationService();
+  }
+
   virtual ProfileSyncService* GetProfileSyncService() {
     return NULL;
   }
@@ -1344,6 +1349,17 @@
   return webkit_context_.get();
 }
 
+DesktopNotificationService* ProfileImpl::GetDesktopNotificationService() {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
+  if (!desktop_notification_service_.get()) {
+     // TODO(johnnyg): hook this up with notification UI manager.
+     desktop_notification_service_.reset(new DesktopNotificationService(
+         this, NULL));
+  }
+
+  return desktop_notification_service_.get();
+}
+
 void ProfileImpl::MarkAsCleanShutdown() {
   if (prefs_.get()) {
     // The session cleanly exited, set kSessionExitedCleanly appropriately.