Release Oilpan heap singletons prior to LSan leak detection.

third_party/WebKit/Source/bindings/core/v8/V8Initializer.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 174 matching lines @@
     } else {
         enteredWindow->document()->reportException(event.release(), scriptId, callStack, accessControlStatus);
     }
 }
 
 namespace {
 
 static RejectedPromises& rejectedPromisesOnMainThread()
 {
     ASSERT(isMainThread());
-    DEFINE_STATIC_LOCAL(RefPtrWillBePersistent<RejectedPromises>, rejectedPromises, (adoptRefWillBeNoop(new RejectedPromises())));
+    DEFINE_STATIC_LOCAL(RefPtrWillBePersistent<RejectedPromises>, rejectedPromises, (RejectedPromises::create()));
     return *rejectedPromises;
 }
 
 } // namespace
 
 void V8Initializer::reportRejectedPromisesOnMainThread()
 {
     rejectedPromisesOnMainThread().processQueue();
 }
 
@@ skipping 257 matching lines @@
 
     v8::V8::AddMessageListener(messageHandlerInWorker);
     v8::V8::SetFatalErrorHandler(reportFatalErrorInWorker);
 
     uint32_t here;
     isolate->SetStackLimit(reinterpret_cast<uintptr_t>(&here - kWorkerMaxStackSize / sizeof(uint32_t*)));
     isolate->SetPromiseRejectCallback(promiseRejectHandlerInWorker);
 }
 
 } // namespace blink