Reset ResourceLoader::m_loader in the pre-finalizer

third_party/WebKit/Source/core/fetch/ResourceLoader.cpp

Index: third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
diff --git a/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp b/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
index cd3276d6ad16255c454ef9b41133febb6001d6c4..4c99f167076203ba4da91c877fcd0253889531b1 100644
--- a/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
+++ b/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
@@ -67,9 +67,7 @@ ResourceLoader::ResourceLoader(ResourceFetcher* fetcher, Resource* resource)
   m_resource->setLoader(this);
 }
 
-ResourceLoader::~ResourceLoader() {
-  DCHECK(!m_loader);
-}
+ResourceLoader::~ResourceLoader() {}
 
 DEFINE_TRACE(ResourceLoader) {
   visitor->trace(m_fetcher);
@@ -493,6 +491,10 @@ void ResourceLoader::requestSynchronously(const ResourceRequest& request) {
                    encodedBodyLength);
 }
 
+void ResourceLoader::dispose() {
+  m_loader = nullptr;
+}
+
 void ResourceLoader::activateCacheAwareLoadingIfNeeded(
     const ResourceRequest& request) {
   DCHECK(!m_isCacheAwareLoadingActivated);