Use per-frame WebTaskRunner onImageBitmapFactories

third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp

Index: third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
diff --git a/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp b/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
index d8c83a3d5801dc3afc0ff5443529bc2cc5b942f9..fa165b7138172df03bfadf670e5becf5f6b1fc25 100644
--- a/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
+++ b/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
@@ -33,6 +33,7 @@
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExecutionContext.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "core/fileapi/Blob.h"
 #include "core/frame/ImageBitmap.h"
 #include "core/frame/LocalDOMWindow.h"
@@ -258,19 +259,19 @@ void ImageBitmapFactories::ImageBitmapLoader::scheduleAsyncImageBitmapDecoding(
   if (arrayBuffer->byteLength() >= longTaskByteLengthThreshold)
     taskSize = BackgroundTaskRunner::TaskSizeLongRunningTask;
   WebTaskRunner* taskRunner =
-      Platform::current()->currentThread()->getWebTaskRunner();
+      TaskRunnerHelper::get(TaskType::Networking, m_resolver->getScriptState());
   BackgroundTaskRunner::postOnBackgroundThread(
       BLINK_FROM_HERE,
       crossThreadBind(
           &ImageBitmapFactories::ImageBitmapLoader::decodeImageOnDecoderThread,
-          wrapCrossThreadPersistent(this), crossThreadUnretained(taskRunner),
+          wrapCrossThreadPersistent(this), WTF::passed(taskRunner->clone()),
           wrapCrossThreadPersistent(arrayBuffer), m_options.premultiplyAlpha(),
           m_options.colorSpaceConversion()),
       taskSize);
 }
 
 void ImageBitmapFactories::ImageBitmapLoader::decodeImageOnDecoderThread(
-    WebTaskRunner* taskRunner,
+    std::unique_ptr<WebTaskRunner> taskRunner,
     DOMArrayBuffer* arrayBuffer,
     const String& premultiplyAlphaOption,
     const String& colorSpaceConversionOption) {