Bug 1282273 - Replace the Runnable used for registering DecodePool threads with the Nuwa process with a lambda. r=edwin

image/DecodePool.cpp

@@ -33,25 +33,6 @@ using std::min;
 namespace mozilla {
 namespace image {
 
-///////////////////////////////////////////////////////////////////////////////
-// Helper runnables.
-///////////////////////////////////////////////////////////////////////////////
-
-#ifdef MOZ_NUWA_PROCESS
-
-class RegisterDecodeIOThreadWithNuwaRunnable : public Runnable
-{
-public:
-  NS_IMETHOD Run()
-  {
-    NuwaMarkCurrentThread(static_cast<void(*)(void*)>(nullptr), nullptr);
-    return NS_OK;
-  }
-};
-
-#endif // MOZ_NUWA_PROCESS
-
-
 ///////////////////////////////////////////////////////////////////////////////
 // DecodePool implementation.
 ///////////////////////////////////////////////////////////////////////////////
@@ -291,8 +272,10 @@ DecodePool::DecodePool()
                      "Should successfully create image I/O thread");
 
 #ifdef MOZ_NUWA_PROCESS
-  nsCOMPtr<nsIRunnable> worker = new RegisterDecodeIOThreadWithNuwaRunnable();
+  rv = mIOThread->Dispatch(NS_NewRunnableFunction([]() -> void {
-  rv = mIOThread->Dispatch(worker, NS_DISPATCH_NORMAL);
+    NuwaMarkCurrentThread(static_cast<void(*)(void*)>(nullptr), nullptr);
+  }), NS_DISPATCH_NORMAL);
+
   MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv),
                      "Should register decode IO thread with Nuwa process");
 #endif