Lower priority of async scripts

Source/core/html/parser/HTMLPreloadScanner.cpp

Index: Source/core/html/parser/HTMLPreloadScanner.cpp
diff --git a/Source/core/html/parser/HTMLPreloadScanner.cpp b/Source/core/html/parser/HTMLPreloadScanner.cpp
index 1b21bc89b4408a9bbe189b2d614297b7651b7a3c..d30de62c83cb6f09c15a78153ab67edf11be7ebc 100644
--- a/Source/core/html/parser/HTMLPreloadScanner.cpp
+++ b/Source/core/html/parser/HTMLPreloadScanner.cpp
@@ -110,6 +110,7 @@ public:
         , m_inputIsImage(false)
         , m_sourceSize(0)
         , m_sourceSizeSet(false)
+        , m_execAsync(false)
         , m_isCORSEnabled(false)
         , m_allowCredentials(DoNotAllowStoredCredentials)
         , m_mediaValues(mediaValues)
@@ -170,6 +171,7 @@ public:
         if (isCORSEnabled())
             request->setCrossOriginEnabled(allowStoredCredentials());
         request->setCharset(charset());
+        request->setExecAsync(m_execAsync);
         return request.release();
     }
 
@@ -182,6 +184,10 @@ private:
             setUrlToLoad(attributeValue, DisallowURLReplacement);
         else if (match(attributeName, crossoriginAttr))
             setCrossOriginAllowed(attributeValue);
+        else if (match(attributeName, asyncAttr))
+            setExecAsync(true);
+        else if (match(attributeName, deferAttr))
+            setExecAsync(true);
     }
 
     template<typename NameType>
@@ -337,6 +343,16 @@ private:
             m_allowCredentials = DoNotAllowStoredCredentials;
     }
 
+    void setExecAsync(const bool execAsync)

[eseidel, 2014/09/03 15:15:38]

const bool?

[Pat Meenan, 2014/09/03 16:16:17]

Doh, sorry - fixed.

+    {
+        m_execAsync = execAsync;
+    }
+
+    bool execAsync() const
+    {
+        return m_execAsync;
+    }
+
     const StringImpl* m_tagImpl;
     String m_urlToLoad;
     ImageCandidate m_srcsetImageCandidate;
@@ -349,6 +365,7 @@ private:
     unsigned m_sourceSize;
     bool m_sourceSizeSet;
     bool m_isCORSEnabled;
+    bool m_execAsync;
     StoredCredentials m_allowCredentials;
     RefPtr<MediaValues> m_mediaValues;
 };