Bug 1505522: Part 3 - Remove unused getHeapAllocatedAsync method. r=erahm

Differential Revision: https://phabricator.services.mozilla.com/D13873

UltraBlame original commit: fba99cab2299592c3bb7a055aaa320d35bafe5f1

Author: marco-c

xpcom/base/nsIMemoryReporter.idl

@@ -419,12 +419,6 @@ interface nsIMemoryReporterManager : nsISupports
   [infallible] readonly attribute boolean isDMDEnabled;
   [infallible] readonly attribute boolean isDMDRunning;
 
-  /*
-   * Asynchronously gets attribute 'heapAllocated'. The value is returned in
-   * the callback argument.
-   */
-  [must_use] void getHeapAllocatedAsync(in nsIHeapAllocatedCallback callback);
-
   /*
    * Run a series of GC/CC's in an attempt to minimize the application's memory
    * usage.  When we're finished, we invoke the given runnable if it's not

xpcom/base/nsMemoryReporterManager.cpp

@@ -2404,49 +2404,6 @@ nsMemoryReporterManager::GetHeapAllocated(int64_t* aAmount) {
 #endif
 }
 
-NS_IMETHODIMP
-nsMemoryReporterManager::GetHeapAllocatedAsync(
-    nsIHeapAllocatedCallback* aCallback) {
-#ifdef HAVE_JEMALLOC_STATS
-  if (!mThreadPool) {
-    return NS_ERROR_UNEXPECTED;
-  }
-
-  RefPtr<nsIMemoryReporterManager> self{this};
-  nsMainThreadPtrHandle<nsIHeapAllocatedCallback> mainThreadCallback(
-      new nsMainThreadPtrHolder<nsIHeapAllocatedCallback>(
-          "HeapAllocatedCallback", aCallback));
-
-  nsCOMPtr<nsIRunnable> getHeapAllocatedRunnable = NS_NewRunnableFunction(
-      "nsMemoryReporterManager::GetHeapAllocatedAsync",
-      [self, mainThreadCallback]() mutable {
-        MOZ_ASSERT(!NS_IsMainThread());
-
-        int64_t heapAllocated = 0;
-        nsresult rv = self->GetHeapAllocated(&heapAllocated);
-
-        nsCOMPtr<nsIRunnable> resultCallbackRunnable = NS_NewRunnableFunction(
-            "nsMemoryReporterManager::GetHeapAllocatedAsync",
-            [mainThreadCallback, heapAllocated, rv]() mutable {
-              MOZ_ASSERT(NS_IsMainThread());
-
-              if (NS_FAILED(rv)) {
-                mainThreadCallback->Callback(0);
-                return;
-              }
-
-              mainThreadCallback->Callback(heapAllocated);
-            });  
-
-        Unused << NS_DispatchToMainThread(resultCallbackRunnable);
-      });  
-
-  return mThreadPool->Dispatch(getHeapAllocatedRunnable, NS_DISPATCH_NORMAL);
-#else
-  return NS_ERROR_NOT_AVAILABLE;
-#endif
-}
-
 
 NS_IMETHODIMP
 nsMemoryReporterManager::GetHeapOverheadFraction(int64_t* aAmount) {