Change NotifyAppList*() functions into observers on a ProfileKeyedService.

chrome/browser/ui/app_list/app_list_util.h

Index: chrome/browser/ui/app_list/app_list_util.h
diff --git a/chrome/browser/ui/app_list/app_list_util.h b/chrome/browser/ui/app_list/app_list_util.h
index 41ac242a1921521cedf7f5efff599824dfd1ce04..f1aa229354b040f958a9344f9bdb1d1baebd481f 100644
--- a/chrome/browser/ui/app_list/app_list_util.h
+++ b/chrome/browser/ui/app_list/app_list_util.h
@@ -43,22 +43,6 @@ Profile* GetCurrentAppListProfile();
 // Returns true if the app list is visible.
 bool IsAppListVisible();
 
-// Notify the app list that an extension has started downloading.
-void NotifyAppListOfBeginExtensionInstall(
-    Profile* profile,
-    const std::string& extension_id,
-    const std::string& extension_name,
-    const gfx::ImageSkia& installing_icon);
-
-void NotifyAppListOfDownloadProgress(
-    Profile* profile,
-    const std::string& extension_id,
-    int percent_downloaded);
-
-void NotifyAppListOfExtensionInstallFailure(
-    Profile* profile,
-    const std::string& extension_id);
-
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_UTIL_H_