(Reland) Make m_executeScriptsWaitingForResourcesTimer a loading task

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 0f98d181f0a27fe4b9b2eea4ce4dc67671d68113..1306da3d56b5c1f22b34eeed4aff03f639f19ad0 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -212,6 +212,7 @@
 #include "public/platform/Platform.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/DateMath.h"
+#include "wtf/Functional.h"
 #include "wtf/HashFunctions.h"
 #include "wtf/MainThread.h"
 #include "wtf/StdLibExtras.h"
@@ -380,7 +381,7 @@ Document::Document(const DocumentInit& initializer, DocumentClassFlags documentC
     , m_paginatedForScreen(false)
     , m_compatibilityMode(NoQuirksMode)
     , m_compatibilityModeLocked(false)
-    , m_executeScriptsWaitingForResourcesTimer(this, &Document::executeScriptsWaitingForResourcesTimerFired)
+    , m_executeScriptsWaitingForResourcesTask(WTF::bind(&Document::executeScriptsWaitingForResources, this))
     , m_hasAutofocused(false)
     , m_clearFocusedElementTimer(this, &Document::clearFocusedElementTimerFired)
     , m_domTreeVersion(++s_globalTreeVersion)
@@ -2956,7 +2957,8 @@ void Document::didRemoveAllPendingStylesheet()
 
 void Document::didLoadAllScriptBlockingResources()
 {
-    m_executeScriptsWaitingForResourcesTimer.startOneShot(0, FROM_HERE);
+    Platform::current()->currentThread()->scheduler()->postLoadingTask(
+        FROM_HERE, m_executeScriptsWaitingForResourcesTask.cancelAndCreate());
 
     if (frame())
         frame()->loader().client()->didRemoveAllPendingStylesheet();
@@ -2965,7 +2967,7 @@ void Document::didLoadAllScriptBlockingResources()
         view()->processUrlFragment(m_url);
 }
 
-void Document::executeScriptsWaitingForResourcesTimerFired(Timer<Document>*)
+void Document::executeScriptsWaitingForResources()
 {
     if (!isRenderingReady())
         return;