Bug 1960785 - Generalize JSActor::SetName() into Init(). r=nika

This will make it easier for me to add a new private field whose initialization value depends on the init fields.

Differential Revision: https://phabricator.services.mozilla.com/D245655

dom/ipc/jsactor/JSActor.cpp

@@ -153,9 +153,10 @@ nsresult JSActor::QueryInterfaceActor(const nsIID& aIID, void** aPtr) {
   return mWrappedJS->QueryInterface(aIID, aPtr);
 }
 
-void JSActor::SetName(const nsACString& aName) {
+void JSActor::Init(const nsACString& aName) {
   MOZ_ASSERT(mName.IsEmpty(), "Cannot set name twice!");
   mName = aName;
+  InvokeCallback(CallbackFunction::ActorCreated);
 }
 
 void JSActor::ThrowStateErrorForGetter(const char* aName,

dom/ipc/jsactor/JSActor.h

@@ -79,7 +79,7 @@ class JSActor : public nsISupports, public nsWrapperCache {
 
   virtual ~JSActor() = default;
 
-  void SetName(const nsACString& aName);
+  void Init(const nsACString& aName);
 
   bool CanSend() const { return mCanSend; }
 

dom/ipc/jsactor/JSProcessActorChild.cpp

@@ -75,10 +75,8 @@ void JSProcessActorChild::SendRawMessage(
 void JSProcessActorChild::Init(const nsACString& aName,
                                nsIDOMProcessChild* aManager) {
   MOZ_ASSERT(!mManager, "Cannot Init() a JSProcessActorChild twice!");
-  SetName(aName);
   mManager = aManager;
-
-  InvokeCallback(CallbackFunction::ActorCreated);
+  JSActor::Init(aName);
 }
 
 void JSProcessActorChild::ClearManager() { mManager = nullptr; }

dom/ipc/jsactor/JSProcessActorParent.cpp

@@ -27,10 +27,8 @@ JSObject* JSProcessActorParent::WrapObject(JSContext* aCx,
 void JSProcessActorParent::Init(const nsACString& aName,
                                 nsIDOMProcessParent* aManager) {
   MOZ_ASSERT(!mManager, "Cannot Init() a JSProcessActorParent twice!");
-  SetName(aName);
   mManager = aManager;
-
-  InvokeCallback(CallbackFunction::ActorCreated);
+  JSActor::Init(aName);
 }
 
 JSProcessActorParent::~JSProcessActorParent() { MOZ_ASSERT(!mManager); }

dom/ipc/jsactor/JSWindowActorChild.cpp

@@ -32,10 +32,8 @@ WindowContext* JSWindowActorChild::GetWindowContext() const {
 void JSWindowActorChild::Init(const nsACString& aName,
                               WindowGlobalChild* aManager) {
   MOZ_ASSERT(!mManager, "Cannot Init() a JSWindowActorChild twice!");
-  SetName(aName);
   mManager = aManager;
-
-  InvokeCallback(CallbackFunction::ActorCreated);
+  JSActor::Init(aName);
 }
 
 void JSWindowActorChild::SendRawMessage(

dom/ipc/jsactor/JSWindowActorParent.cpp

@@ -30,10 +30,8 @@ WindowContext* JSWindowActorParent::GetWindowContext() const {
 void JSWindowActorParent::Init(const nsACString& aName,
                                WindowGlobalParent* aManager) {
   MOZ_ASSERT(!mManager, "Cannot Init() a JSWindowActorParent twice!");
-  SetName(aName);
   mManager = aManager;
-
-  InvokeCallback(CallbackFunction::ActorCreated);
+  JSActor::Init(aName);
 }
 
 void JSWindowActorParent::SendRawMessage(