Bug 1186750 part 8 - Convert DeviceStorageUsedSpaceCache::Dispatch to use already_AddRef&&. r=dhylands

--HG--
extra : source : f189f9cd657e665d032aa05812e8479e0eb85a43

dom/devicestorage/DeviceStorageRequestParent.cpp

@@ -158,9 +158,8 @@ DeviceStorageRequestParent::Dispatch()
 
       RefPtr<DeviceStorageFile> dsf =
         new DeviceStorageFile(p.type(), p.storageName());
-      RefPtr<UsedSpaceFileEvent> r = new UsedSpaceFileEvent(this, dsf.forget());
-
-      usedSpaceCache->Dispatch(r);
+      usedSpaceCache->Dispatch(
+        MakeAndAddRef<UsedSpaceFileEvent>(this, dsf.forget()));
       break;
     }
 

dom/devicestorage/nsDeviceStorage.cpp

@@ -2217,7 +2217,8 @@ public:
       DeviceStorageUsedSpaceCache* usedSpaceCache
         = DeviceStorageUsedSpaceCache::CreateOrGet();
       MOZ_ASSERT(usedSpaceCache);
-      usedSpaceCache->Dispatch(this);
+      nsCOMPtr<nsIRunnable> self = this;
+      usedSpaceCache->Dispatch(self.forget());
       return NS_OK;
     }
 

dom/devicestorage/nsDeviceStorage.h

@@ -134,12 +134,12 @@ public:
     mIOThread->Dispatch(r, NS_DISPATCH_NORMAL);
   }
 
-  void Dispatch(nsIRunnable* aRunnable)
+  void Dispatch(already_AddRefed<nsIRunnable>&& aRunnable)
   {
     MOZ_ASSERT(NS_IsMainThread());
     MOZ_ASSERT(mIOThread);
 
-    mIOThread->Dispatch(aRunnable, NS_DISPATCH_NORMAL);
+    mIOThread->Dispatch(mozilla::Move(aRunnable), NS_DISPATCH_NORMAL);
   }
 
   nsresult AccumUsedSizes(const nsAString& aStorageName,