Removed calls to RefPtr::Release in return statements with auto move.

third_party/WebKit/Source/modules/fetch/BodyStreamBuffer.cpp

Index: third_party/WebKit/Source/modules/fetch/BodyStreamBuffer.cpp
diff --git a/third_party/WebKit/Source/modules/fetch/BodyStreamBuffer.cpp b/third_party/WebKit/Source/modules/fetch/BodyStreamBuffer.cpp
index a35e4abb23ec351cf59634c0cd2f189174ea91a3..68edd50a0a363ade52322ea43772990164acbb9e 100644
--- a/third_party/WebKit/Source/modules/fetch/BodyStreamBuffer.cpp
+++ b/third_party/WebKit/Source/modules/fetch/BodyStreamBuffer.cpp
@@ -149,7 +149,7 @@ PassRefPtr<BlobDataHandle> BodyStreamBuffer::DrainAsBlobDataHandle(
       consumer_->DrainAsBlobDataHandle(policy);
   if (blob_data_handle) {
     CloseAndLockAndDisturb();
-    return blob_data_handle.Release();
+    return blob_data_handle;
   }
   return nullptr;
 }
@@ -166,7 +166,7 @@ PassRefPtr<EncodedFormData> BodyStreamBuffer::DrainAsFormData() {
   RefPtr<EncodedFormData> form_data = consumer_->DrainAsFormData();
   if (form_data) {
     CloseAndLockAndDisturb();
-    return form_data.Release();
+    return form_data;
   }
   return nullptr;
 }