[ServiceWorker] Send the body of Request in fetch() API.

Source/modules/serviceworkers/FetchRequestData.cpp

Index: Source/modules/serviceworkers/FetchRequestData.cpp
diff --git a/Source/modules/serviceworkers/FetchRequestData.cpp b/Source/modules/serviceworkers/FetchRequestData.cpp
index 036d0ab772b2e30017ceff5705c608f19b415d99..d9f7f5d2f03a03f757f7f12ad32b63a1599b17f6 100644
--- a/Source/modules/serviceworkers/FetchRequestData.cpp
+++ b/Source/modules/serviceworkers/FetchRequestData.cpp
@@ -55,7 +55,7 @@ FetchRequestData* FetchRequestData::createRestrictedCopy(ExecutionContext* conte
     request->m_url = m_url;
     request->m_method = m_method;
     request->m_headerList = m_headerList->createCopy();
-    // FIXME: Support body.
+    request->m_blobDataHandle = m_blobDataHandle;
     request->m_origin = origin;
     if (context->isDocument())
         request->m_referrer.setClient(blink::Referrer(context->url().strippedForUseAsReferrer(), toDocument(context)->referrerPolicy()));
@@ -75,7 +75,7 @@ FetchRequestData* FetchRequestData::createCopy() const
     request->m_method = m_method;
     request->m_headerList = m_headerList->createCopy();
     request->m_unsafeRequestFlag = m_unsafeRequestFlag;
-    // FIXME: Support body.
+    request->m_blobDataHandle = m_blobDataHandle;
     request->m_origin = m_origin;
     request->m_sameOriginDataURLFlag = m_sameOriginDataURLFlag;
     request->m_context = m_context;