Convert NOTIFICATION_TEMPLATE_URL_SERVICE_LOADED to CallbackList

chrome/browser/search_engines/template_url_service_android.h

Index: chrome/browser/search_engines/template_url_service_android.h
diff --git a/chrome/browser/search_engines/template_url_service_android.h b/chrome/browser/search_engines/template_url_service_android.h
index f2543b7a92ca9410de1febaa1cff6636dad9ac9b..b16c6a77133cdca90ef2bf1577890e643ec0f9a3 100644
--- a/chrome/browser/search_engines/template_url_service_android.h
+++ b/chrome/browser/search_engines/template_url_service_android.h
@@ -7,8 +7,8 @@
 
 #include "base/android/jni_helper.h"
 #include "base/android/scoped_java_ref.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/search_engines/template_url_service.h"
 
 class TemplateURL;
 class TemplateURLService;
@@ -17,7 +17,7 @@ class TemplateURLService;
 // Android wrapper of the TemplateUrlService which provides access from the Java
 // layer. Note that on Android, there's only a single profile, and therefore
 // a single instance of this wrapper.
-class TemplateUrlServiceAndroid : public content::NotificationObserver {
+class TemplateUrlServiceAndroid {
  public:
   TemplateUrlServiceAndroid(JNIEnv* env, jobject obj);
 
@@ -41,11 +41,6 @@ class TemplateUrlServiceAndroid : public content::NotificationObserver {
       jstring jquery,
       jstring jcurrent_url);
 
-  // NotificationObserver:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
   static bool Register(JNIEnv* env);
 
  private:
@@ -53,12 +48,15 @@ class TemplateUrlServiceAndroid : public content::NotificationObserver {
 
   bool IsPrepopulatedTemplate(TemplateURL* url);
 
+  void OnTemplateURLServiceLoaded();
+
   JavaObjectWeakGlobalRef weak_java_obj_;
-  content::NotificationRegistrar registrar_;
 
   // Pointer to the TemplateUrlService for the main profile.
   TemplateURLService* template_url_service_;
 
+  scoped_ptr<TemplateURLService::Subscription> template_url_subscription_;
+
   DISALLOW_COPY_AND_ASSIGN(TemplateUrlServiceAndroid);
 };