Specify TaskType of posted Task explicitly in FileAPIs (4)

third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp

Index: third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
diff --git a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
index eb19d0647419fc784649825ab7514d407eaab83d..f605ba9ceb92849aae9a6155c5973d2ca7f8e03e 100644
--- a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
+++ b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
@@ -40,6 +40,7 @@
 #include "core/dom/ExecutionContextTask.h"
 #include "core/dom/FrameRequestCallback.h"
 #include "core/dom/SandboxFlags.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "core/dom/custom/CustomElementRegistry.h"
 #include "core/editing/Editor.h"
 #include "core/events/DOMWindowEventQueue.h"
@@ -385,7 +386,7 @@ void LocalDOMWindow::dispatchWindowLoadEvent() {
   // 'load' event asynchronously.  crbug.com/569511.
   if (ScopedEventQueue::instance()->shouldQueueEvents() && m_document) {
     m_document->postTask(
-        BLINK_FROM_HERE,
+        TaskType::Networking, BLINK_FROM_HERE,
         createSameThreadTask(&LocalDOMWindow::dispatchLoadEvent,
                              wrapPersistent(this)));
     return;