Revert 86724 - Modifying the BackgroundModeManager to handle multiple profiles.

chrome/browser/background_mode_manager_win.cc

Index: chrome/browser/background_mode_manager_win.cc
===================================================================
--- chrome/browser/background_mode_manager_win.cc	(revision 86725)
+++ chrome/browser/background_mode_manager_win.cc	(working copy)
@@ -88,12 +88,11 @@
 }
 
 void BackgroundModeManager::DisplayAppInstalledNotification(
-    const Extension* extension,
-    Profile* profile) {
+    const Extension* extension) {
   // Create a status tray notification balloon explaining to the user that
   // a background app has been installed.
-  CreateStatusTrayIcon(profile);
-  background_mode_data_[profile]->status_icon_->DisplayBalloon(
+  CreateStatusTrayIcon();
+  status_icon_->DisplayBalloon(
       l10n_util::GetStringUTF16(IDS_BACKGROUND_APP_INSTALLED_BALLOON_TITLE),
       l10n_util::GetStringFUTF16(
           IDS_BACKGROUND_APP_INSTALLED_BALLOON_BODY,