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

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

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/fetch/DataConsumerHandleUtil.h"
 
 #include "platform/blob/BlobData.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebTaskRunner.h"
 #include "public/platform/WebThread.h"
@@ skipping 116 matching lines @@
     return wrapUnique(new WebToFetchDataConsumerHandleAdapter(std::move(handle)));
 }
 
 NotifyOnReaderCreationHelper::NotifyOnReaderCreationHelper(WebDataConsumerHandle::Client* client)
     : m_factory(this)
 {
     if (!client)
         return;
     // Note we don't need thread safety here because this object is
     // bound to the current thread.
-    Platform::current()->currentThread()->getWebTaskRunner()->postTask(BLINK_FROM_HERE, WTF::bind(&NotifyOnReaderCreationHelper::notify, m_factory.createWeakPtr(), WTF::unretained(client)));
+    client->getTaskRunner()->postTask(BLINK_FROM_HERE, WTF::bind(&NotifyOnReaderCreationHelper::notify, m_factory.createWeakPtr(), WTF::unretained(client)));
 }
 
 void NotifyOnReaderCreationHelper::notify(WebDataConsumerHandle::Client* client)
 {
     // |client| dereference is safe here because:
     // - |this| is owned by a reader,
     //   so the reader outlives |this|, and
     // - |client| is the client of the reader, so |client| outlives the reader
     //   (guaranteed by the user of the reader),
     // and therefore |client| outlives |this|.
     client->didGetReadable();
 }
 
 } // namespace blink