Use per-frame TaskRunner instead of thread's default in DataConsumerHandle

third_party/WebKit/Source/modules/serviceworkers/RespondWithObserver.cpp

Index: third_party/WebKit/Source/modules/serviceworkers/RespondWithObserver.cpp
diff --git a/third_party/WebKit/Source/modules/serviceworkers/RespondWithObserver.cpp b/third_party/WebKit/Source/modules/serviceworkers/RespondWithObserver.cpp
index 6faa08e31304b61f046b2286e020d3f1f6afb9cc..d4e4defbfc398e90619296fa12d9dd04eae53874 100644
--- a/third_party/WebKit/Source/modules/serviceworkers/RespondWithObserver.cpp
+++ b/third_party/WebKit/Source/modules/serviceworkers/RespondWithObserver.cpp
@@ -16,6 +16,7 @@
 #include "modules/fetch/BodyStreamBuffer.h"
 #include "modules/serviceworkers/ServiceWorkerGlobalScopeClient.h"
 #include "platform/RuntimeEnabledFeatures.h"
+#include "public/platform/Platform.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerResponse.h"
 #include "wtf/Assertions.h"
 #include "wtf/RefPtr.h"
@@ -86,16 +87,6 @@ bool isClientRequest(WebURLRequest::FrameType frameType, WebURLRequest::RequestC
     return isNavigationRequest(frameType) || requestContext == WebURLRequest::RequestContextSharedWorker || requestContext == WebURLRequest::RequestContextWorker;
 }
 
-class NoopLoaderClient final : public GarbageCollectedFinalized<NoopLoaderClient>, public FetchDataLoader::Client {
-    WTF_MAKE_NONCOPYABLE(NoopLoaderClient);
-    USING_GARBAGE_COLLECTED_MIXIN(NoopLoaderClient);
-public:
-    NoopLoaderClient() = default;
-    void didFetchDataLoadedStream() override {}
-    void didFetchDataLoadFailed() override {}
-    DEFINE_INLINE_TRACE() { FetchDataLoader::Client::trace(visitor); }
-};
-
 } // namespace
 
 class RespondWithObserver::ThenFunction final : public ScriptFunction {
@@ -264,7 +255,7 @@ void RespondWithObserver::responseWasFulfilled(const ScriptValue& value)
         } else {
             Stream* outStream = Stream::create(getExecutionContext(), "");
             webResponse.setStreamURL(outStream->url());
-            buffer->startLoading(FetchDataLoader::createLoaderAsStream(outStream), new NoopLoaderClient);
+            buffer->startLoading(FetchDataLoader::createLoaderAsStream(outStream), nullptr);
         }
     }
     ServiceWorkerGlobalScopeClient::from(getExecutionContext())->respondToFetchEvent(m_eventID, webResponse);