Bug 1673931 - Remove avoidable includes from dom/Promise.h. r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D96557

Depends on D96556

dom/promise/Promise.cpp

@@ -851,5 +851,13 @@ Promise::PromiseState Promise::State() const {
   return PromiseState::Pending;
 }
 
+void Promise::SetSettledPromiseIsHandled() {
+  AutoAllowLegacyScriptExecution exemption;
+  AutoEntryScript aes(mGlobal, "Set settled promise handled");
+  JSContext* cx = aes.cx();
+  JS::RootedObject promiseObj(cx, mPromiseObj);
+  JS::SetSettledPromiseIsHandled(cx, promiseObj);
+}
+
 }  // namespace dom
 }  // namespace mozilla

dom/promise/Promise.h

@@ -7,24 +7,32 @@
 #ifndef mozilla_dom_Promise_h
 #define mozilla_dom_Promise_h
 
+#include <functional>
 #include <type_traits>
 #include <utility>
-
-#include "js/Promise.h"
+#include "ErrorList.h"
+#include "js/RootingAPI.h"
 #include "js/TypeDecls.h"
-#include "jspubtd.h"
-#include "mozilla/Attributes.h"
+#include "mozilla/AlreadyAddRefed.h"
+#include "mozilla/Assertions.h"
 #include "mozilla/ErrorResult.h"
-#include "mozilla/TimeStamp.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/Result.h"
 #include "mozilla/WeakPtr.h"
-#include "mozilla/dom/BindingDeclarations.h"
-#include "mozilla/dom/PromiseBinding.h"
+#include "mozilla/dom/ScriptSettings.h"
 #include "mozilla/dom/ToJSValue.h"
 #include "nsCycleCollectionParticipant.h"
-#include "nsWrapperCache.h"
+#include "nsError.h"
+#include "nsISupports.h"
+#include "nsString.h"
 
+class nsCycleCollectionTraversalCallback;
 class nsIGlobalObject;
 
+namespace JS {
+class Value;
+}
+
 namespace mozilla {
 
 namespace dom {
@@ -173,13 +181,7 @@ class Promise : public SupportsWeakPtr {
 
   // Mark a settled promise as already handled so that rejections will not
   // be reported as unhandled.
-  void SetSettledPromiseIsHandled() {
-    AutoAllowLegacyScriptExecution exemption;
-    AutoEntryScript aes(mGlobal, "Set settled promise handled");
-    JSContext* cx = aes.cx();
-    JS::RootedObject promiseObj(cx, mPromiseObj);
-    JS::SetSettledPromiseIsHandled(cx, promiseObj);
-  }
+  void SetSettledPromiseIsHandled();
 
   // WebIDL