Move LayoutProgress timer to UnspecedTimer task source.

third_party/WebKit/Source/core/layout/LayoutProgress.cpp

Index: third_party/WebKit/Source/core/layout/LayoutProgress.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutProgress.cpp b/third_party/WebKit/Source/core/layout/LayoutProgress.cpp
index acee022e4f7aa8d2f977414bd790e9832e15424a..51bef297aa1e1e53c7eb9845178f375c8064c676 100644
--- a/third_party/WebKit/Source/core/layout/LayoutProgress.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutProgress.cpp
@@ -20,6 +20,7 @@
 
 #include "core/layout/LayoutProgress.h"
 
+#include "core/dom/TaskRunnerHelper.h"
 #include "core/html/HTMLProgressElement.h"
 #include "core/layout/LayoutTheme.h"
 #include "wtf/CurrentTime.h"
@@ -34,7 +35,10 @@ LayoutProgress::LayoutProgress(HTMLProgressElement* element)
       m_animationRepeatInterval(0),
       m_animationDuration(0),
       m_animating(false),
-      m_animationTimer(this, &LayoutProgress::animationTimerFired) {}
+      m_animationTimer(
+          TaskRunnerHelper::get(TaskType::UnspecedTimer, &element->document()),
+          this,
+          &LayoutProgress::animationTimerFired) {}
 
 LayoutProgress::~LayoutProgress() {}