Fix stability and data racing issues, coalesce more updates for JumpList

chrome/browser/win/jumplist_factory.h

Index: chrome/browser/win/jumplist_factory.h
diff --git a/chrome/browser/win/jumplist_factory.h b/chrome/browser/win/jumplist_factory.h
index 5f8c1c80180dc5fdf67eebf8ddd68570879ac593..2d61dd60a5f61850a6529b2cc63caa181a506ef4 100644
--- a/chrome/browser/win/jumplist_factory.h
+++ b/chrome/browser/win/jumplist_factory.h
@@ -7,11 +7,11 @@
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/win/jumplist.h"
-#include "components/keyed_service/content/refcounted_browser_context_keyed_service_factory.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 
-class JumpListFactory : public RefcountedBrowserContextKeyedServiceFactory {
+class JumpListFactory : public BrowserContextKeyedServiceFactory {
  public:
-  static scoped_refptr<JumpList> GetForProfile(Profile* profile);
+  static JumpList* GetForProfile(Profile* profile);
 
   static JumpListFactory* GetInstance();
 
@@ -21,7 +21,7 @@ class JumpListFactory : public RefcountedBrowserContextKeyedServiceFactory {
   ~JumpListFactory() override;
 
   // BrowserContextKeyedServiceFactory:
-  scoped_refptr<RefcountedKeyedService> BuildServiceInstanceFor(
+  KeyedService* BuildServiceInstanceFor(
       content::BrowserContext* context) const override;
 };