Remove the concept of pendingScripts from HTMLScriptRunner

sky/engine/core/html/parser/HTMLScriptRunner.cpp

 // Copyright 2014 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 "sky/engine/config.h"
 #include "sky/engine/core/html/parser/HTMLScriptRunner.h"
 
 #include "sky/engine/core/app/AbstractModule.h"
 #include "sky/engine/core/dom/Document.h"
 #include "sky/engine/core/dom/Microtask.h"
 #include "sky/engine/core/frame/LocalFrame.h"
 #include "sky/engine/core/html/HTMLScriptElement.h"
 #include "sky/engine/core/script/dart_controller.h"
 
 namespace blink {
 
 HTMLScriptRunner::HTMLScriptRunner()
     : m_isExecutingScript(false)
 {
 }
 
 HTMLScriptRunner::~HTMLScriptRunner()
 {
 }
 
 void HTMLScriptRunner::runScript(PassRefPtr<HTMLScriptElement> element, TextPosition textPosition)
 {
-    ASSERT(!hasPendingScripts());
-
-    if (!element->document().isScriptExecutionReady()) {
-        m_pendingScript = element;
-        m_textPosition = textPosition;
-        return;
-    }
-
-    executeScript(element, textPosition);
-}
-
-void HTMLScriptRunner::executePendingScripts()
-{
-    executeScript(m_pendingScript.release(), m_textPosition);
-}
-
-void HTMLScriptRunner::executeScript(PassRefPtr<HTMLScriptElement> element, TextPosition textPosition)
-{
+    ASSERT(element->document().haveImportsLoaded());
     Microtask::performCheckpoint();
 
     Document& sourceDocument = element->document();
     String source = element->textContent();
 
     RefPtr<Document> contextDocument = sourceDocument.contextDocument().get();
     if (!contextDocument)
         return;
 
     LocalFrame* frame = contextDocument->frame();
     if (!frame)
         return;
 
     ASSERT(!m_isExecutingScript);
     TemporaryChange<bool> executingScript(m_isExecutingScript, true);
 
     ASSERT(sourceDocument.module());
     frame->dart().LoadModule(sourceDocument.module(), source, textPosition);
 }
 
 }