Bug 1189195 - Fix PContentPermissionRequest shutdown r=fabrice

dom/base/nsContentPermissionHelper.cpp

@@ -127,6 +127,7 @@ class ContentPermissionRequestParent : public PContentPermissionRequestParent
  private:
   virtual bool Recvprompt();
   virtual bool RecvNotifyVisibility(const bool& aIsVisible);
+  virtual bool RecvDestroy();
   virtual void ActorDestroy(ActorDestroyReason why);
 };
 
@@ -167,6 +168,13 @@ ContentPermissionRequestParent::RecvNotifyVisibility(const bool& aIsVisible)
   return true;
 }
 
+bool
+ContentPermissionRequestParent::RecvDestroy()
+{
+  Unused << PContentPermissionRequestParent::Send__delete__(this);
+  return true;
+}
+
 void
 ContentPermissionRequestParent::ActorDestroy(ActorDestroyReason why)
 {
@@ -609,7 +617,7 @@ nsContentPermissionRequestProxy::Cancel()
 
   nsTArray<PermissionChoice> emptyChoices;
 
-  Unused << ContentPermissionRequestParent::Send__delete__(mParent, false, emptyChoices);
+  Unused << mParent->SendNotifyResult(false, emptyChoices);
   mParent = nullptr;
   return NS_OK;
 }
@@ -678,7 +686,7 @@ nsContentPermissionRequestProxy::Allow(JS::HandleValue aChoices)
     return NS_ERROR_FAILURE;
   }
 
-  Unused << ContentPermissionRequestParent::Send__delete__(mParent, true, choices);
+  Unused << mParent->SendNotifyResult(true, choices);
   mParent = nullptr;
   return NS_OK;
 }
@@ -732,9 +740,10 @@ RemotePermissionRequest::DoAllow(JS::HandleValue aChoices)
 
 // PContentPermissionRequestChild
 bool
-RemotePermissionRequest::Recv__delete__(const bool& aAllow,
-                                        InfallibleTArray<PermissionChoice>&& aChoices)
+RemotePermissionRequest::RecvNotifyResult(const bool& aAllow,
+                                          InfallibleTArray<PermissionChoice>&& aChoices)
 {
+  Unused << this->SendDestroy();
   mListener->RemoveListener();
   mListener = nullptr;
 

dom/base/nsContentPermissionHelper.h

@@ -188,8 +188,8 @@ public:
                           nsPIDOMWindow* aWindow);
 
   // It will be called when prompt dismissed.
-  virtual bool Recv__delete__(const bool &aAllow,
-                              InfallibleTArray<PermissionChoice>&& aChoices) override;
+  virtual bool RecvNotifyResult(const bool &aAllow,
+                                InfallibleTArray<PermissionChoice>&& aChoices) override;
 
   virtual bool RecvGetVisibility() override;
 

dom/ipc/ContentParent.cpp

@@ -2246,9 +2246,7 @@ ContentParent::NotifyTabDestroyed(const TabId& aTabId,
     // Need to close undeleted ContentPermissionRequestParents before tab is closed.
     for (auto& permissionRequestParent : parentArray) {
         nsTArray<PermissionChoice> emptyChoices;
-        Unused << PContentPermissionRequestParent::Send__delete__(permissionRequestParent,
-                                                                  false,
-                                                                  emptyChoices);
+        Unused << PContentPermissionRequestParent::Send__delete__(permissionRequestParent);
     }
 
     // There can be more than one PBrowser for a given app process

dom/ipc/PContentPermissionRequest.ipdl

@@ -15,10 +15,12 @@ protocol PContentPermissionRequest
 parent:
   prompt();
   NotifyVisibility(bool visibility);
+  Destroy();
 
 child:
   GetVisibility();
-  __delete__(bool allow, PermissionChoice[] choices);
+  NotifyResult(bool allow, PermissionChoice[] choices);
+  __delete__();
 };