[HTML Imports] Let script of imported document running.

Source/core/html/parser/HTMLResourcePreloader.cpp

 /*
  * Copyright (C) 2013 Google Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
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  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
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 #include "config.h"
 #include "core/html/parser/HTMLResourcePreloader.h"
 
+#include "core/css/MediaList.h"
+#include "core/css/MediaQueryEvaluator.h"
 #include "core/dom/Document.h"
+#include "core/html/HTMLImport.h"
 #include "core/loader/cache/CachedResourceInitiatorInfo.h"
 #include "core/loader/cache/CachedResourceLoader.h"
-
-#include "core/css/MediaList.h"
-#include "core/css/MediaQueryEvaluator.h"
 #include "core/rendering/RenderObject.h"
 
 namespace WebCore {
 
 bool PreloadRequest::isSafeToSendToAnotherThread() const
 {
     return m_initiatorName.isSafeToSendToAnotherThread()
         && m_charset.isSafeToSendToAnotherThread()
         && m_resourceURL.isSafeToSendToAnotherThread()
         && m_mediaAttribute.isSafeToSendToAnotherThread()
@@ skipping 30 matching lines @@
 
 static bool mediaAttributeMatches(Frame* frame, RenderStyle* renderStyle, const String& attributeValue)
 {
     RefPtr<MediaQuerySet> mediaQueries = MediaQuerySet::create(attributeValue);
     MediaQueryEvaluator mediaQueryEvaluator("screen", frame, renderStyle);
     return mediaQueryEvaluator.eval(mediaQueries.get());
 }
 
 void HTMLResourcePreloader::preload(PassOwnPtr<PreloadRequest> preload)
 {
-    ASSERT(m_document->frame());
-    ASSERT(m_document->renderer());
-    ASSERT(m_document->renderer()->style());
-    if (!preload->media().isEmpty() && !mediaAttributeMatches(m_document->frame(), m_document->renderer()->style(), preload->media()))
+    Document* executingDocument = m_document->import() ? m_document->import()->master() : m_document;

[abarth-chromium, 2013/07/19 07:55:55]

What if the document that's imported itself imports another HTML document?  If
you don't already have tests for that case, please add them.

+    Document* loadingDocument = m_document;
+
+    ASSERT(executingDocument->frame());
+    ASSERT(executingDocument->renderer());
+    ASSERT(executingDocument->renderer()->style());
+    if (!preload->media().isEmpty() && !mediaAttributeMatches(executingDocument->frame(), executingDocument->renderer()->style(), preload->media()))
         return;
 
-    CachedResourceRequest request = preload->resourceRequest(m_document);
-    m_document->cachedResourceLoader()->preload(preload->resourceType(), request, preload->charset());
+    CachedResourceRequest request = preload->resourceRequest(loadingDocument);
+    loadingDocument->cachedResourceLoader()->preload(preload->resourceType(), request, preload->charset());
 }
 
 
 }