[PushMessaging] Use appopriate type parameters for WebCallbacks (1/3).

public/platform/modules/push_messaging/WebPushProvider.h

Index: public/platform/modules/push_messaging/WebPushProvider.h
diff --git a/public/platform/modules/push_messaging/WebPushProvider.h b/public/platform/modules/push_messaging/WebPushProvider.h
index cefc96117453fc9eb56aa5b04e67b7e44e7d9ad1..1e9494ef07b55fd5e5b170c60518d452427ea995 100644
--- a/public/platform/modules/push_messaging/WebPushProvider.h
+++ b/public/platform/modules/push_messaging/WebPushProvider.h
@@ -6,17 +6,44 @@
 #define WebPushProvider_h
 
 #include "public/platform/WebCallbacks.h"
+#include "public/platform/WebPassOwnPtr.h"
+#include "public/platform/modules/push_messaging/WebPushError.h"
 #include "public/platform/modules/push_messaging/WebPushPermissionStatus.h"
+#include "public/platform/modules/push_messaging/WebPushSubscription.h"
 
 namespace blink {
 
 class WebServiceWorkerRegistration;
-struct WebPushError;
-struct WebPushSubscription;
 struct WebPushSubscriptionOptions;
 
-using WebPushSubscriptionCallbacks = WebCallbacks<WebPushSubscription*, WebPushError*>;
-using WebPushPermissionStatusCallbacks = WebCallbacks<WebPushPermissionStatus*, WebPushError*>;
+class WebPushSubscriptionCallbacks : public WebCallbacks<WebPassOwnPtr<WebPushSubscription>, const WebPushError&> {
+public:
+    void onSuccess(WebPushSubscription* r)
+    {
+        onSuccess(adoptWebPtr(r));
+    }
+    void onError(WebPushError* e)
+    {
+        onError(*e);
+        delete e;
+    }
+    void onSuccess(WebPassOwnPtr<WebPushSubscription>) override {}
+    void onError(const WebPushError&) override {}
+};
+class WebPushPermissionStatusCallbacks : public WebCallbacks<WebPushPermissionStatus, const WebPushError&> {
+public:
+    void onSuccess(WebPushPermissionStatus* r)
+    {
+        onSuccess(*r);
+    }
+    void onError(WebPushError* e)
+    {
+        onError(*e);
+        delete e;
+    }
+    void onSuccess(WebPushPermissionStatus) override {}
+    void onError(const WebPushError&) override {}
+};
 using WebPushUnsubscribeCallbacks = WebCallbacks<bool, const WebPushError&>;
 
 class WebPushProvider {