From fb96b43b5f6188233710c5f8c9c9e46baa9cb369 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Thu, 19 Dec 2019 01:35:24 +0100
Subject: Issue #1322 - Part 1: Remove the DOM Promise guts.

This removes all the parts guarded by SPIDERMONKEY_PROMISE
---
 xpcom/base/CycleCollectedJSContext.cpp |  6 ------
 xpcom/base/CycleCollectedJSContext.h   | 12 ++----------
 2 files changed, 2 insertions(+), 16 deletions(-)

(limited to 'xpcom')

diff --git a/xpcom/base/CycleCollectedJSContext.cpp b/xpcom/base/CycleCollectedJSContext.cpp
index 206984656..e16c15455 100644
--- a/xpcom/base/CycleCollectedJSContext.cpp
+++ b/xpcom/base/CycleCollectedJSContext.cpp
@@ -468,10 +468,8 @@ CycleCollectedJSContext::~CycleCollectedJSContext()
   MOZ_ASSERT(mDebuggerPromiseMicroTaskQueue.empty());
   MOZ_ASSERT(mPromiseMicroTaskQueue.empty());
 
-#ifdef SPIDERMONKEY_PROMISE
   mUncaughtRejections.reset();
   mConsumedRejections.reset();
-#endif // SPIDERMONKEY_PROMISE
 
   JS_DestroyContext(mJSContext);
   mJSContext = nullptr;
@@ -544,12 +542,10 @@ CycleCollectedJSContext::Initialize(JSContext* aParentContext,
 
   JS::SetGetIncumbentGlobalCallback(mJSContext, GetIncumbentGlobalCallback);
 
-#ifdef SPIDERMONKEY_PROMISE
   JS::SetEnqueuePromiseJobCallback(mJSContext, EnqueuePromiseJobCallback, this);
   JS::SetPromiseRejectionTrackerCallback(mJSContext, PromiseRejectionTrackerCallback, this);
   mUncaughtRejections.init(mJSContext, JS::GCVector<JSObject*, 0, js::SystemAllocPolicy>(js::SystemAllocPolicy()));
   mConsumedRejections.init(mJSContext, JS::GCVector<JSObject*, 0, js::SystemAllocPolicy>(js::SystemAllocPolicy()));
-#endif // SPIDERMONKEY_PROMISE
 
   JS::dbg::SetDebuggerMallocSizeOf(mJSContext, moz_malloc_size_of);
 
@@ -975,7 +971,6 @@ CycleCollectedJSContext::EnqueuePromiseJobCallback(JSContext* aCx,
   return true;
 }
 
-#ifdef SPIDERMONKEY_PROMISE
 /* static */
 void
 CycleCollectedJSContext::PromiseRejectionTrackerCallback(JSContext* aCx,
@@ -995,7 +990,6 @@ CycleCollectedJSContext::PromiseRejectionTrackerCallback(JSContext* aCx,
     PromiseDebugging::AddConsumedRejection(aPromise);
   }
 }
-#endif // SPIDERMONKEY_PROMISE
 
 struct JsGcTracer : public TraceCallbacks
 {
diff --git a/xpcom/base/CycleCollectedJSContext.h b/xpcom/base/CycleCollectedJSContext.h
index 9415634b8..ac4cf4361 100644
--- a/xpcom/base/CycleCollectedJSContext.h
+++ b/xpcom/base/CycleCollectedJSContext.h
@@ -224,12 +224,10 @@ private:
                                         JS::HandleObject aAllocationSite,
                                         JS::HandleObject aIncumbentGlobal,
                                         void* aData);
-#ifdef SPIDERMONKEY_PROMISE
   static void PromiseRejectionTrackerCallback(JSContext* aCx,
                                               JS::HandleObject aPromise,
                                               PromiseRejectionHandlingState state,
                                               void* aData);
-#endif // SPIDERMONKEY_PROMISE
 
   virtual void TraceNativeBlackRoots(JSTracer* aTracer) { };
   void TraceNativeGrayRoots(JSTracer* aTracer);
@@ -406,7 +404,7 @@ public:
 
   // Storage for watching rejected promises waiting for some client to
   // consume their rejection.
-#ifdef SPIDERMONKEY_PROMISE
+
   // Promises in this list have been rejected in the last turn of the
   // event loop without the rejection being handled.
   // Note that this can contain nullptrs in place of promises removed because
@@ -417,13 +415,7 @@ public:
   // (because they were in the above list), but the rejection was handled
   // in the last turn of the event loop.
   JS::PersistentRooted<JS::GCVector<JSObject*, 0, js::SystemAllocPolicy>> mConsumedRejections;
-#else
-  // We store values as `nsISupports` to avoid adding compile-time dependencies
-  // from xpcom to dom/promise, but they can really only have a single concrete
-  // type.
-  nsTArray<nsCOMPtr<nsISupports /* Promise */>> mUncaughtRejections;
-  nsTArray<nsCOMPtr<nsISupports /* Promise */ >> mConsumedRejections;
-#endif // SPIDERMONKEY_PROMISE
+
   nsTArray<nsCOMPtr<nsISupports /* UncaughtRejectionObserver */ >> mUncaughtRejectionObservers;
 
 private:
-- 
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