Added Dartium changes onto 45.0.2454.104

Source/core/dom/ScriptLoader.h

Index: Source/core/dom/ScriptLoader.h
diff --git a/Source/core/dom/ScriptLoader.h b/Source/core/dom/ScriptLoader.h
index 8505253716d5e551584752e02e86cf453245231a..3b1d379d46bb636dc615ee99af4a903f634ff143 100644
--- a/Source/core/dom/ScriptLoader.h
+++ b/Source/core/dom/ScriptLoader.h
@@ -61,7 +61,8 @@ public:
     // XML parser calls these
     void dispatchLoadEvent();
     void dispatchErrorEvent();
-    bool isScriptTypeSupported(LegacyTypeSupport) const;
+    enum ScriptType { ScriptNone = 0, ScriptJavaScript, ScriptDart };
+    ScriptType isScriptTypeSupported(LegacyTypeSupport) const;
 
     bool haveFiredLoadEvent() const { return m_haveFiredLoad; }
     bool willBeParserExecuted() const { return m_willBeParserExecuted; }
@@ -80,6 +81,7 @@ public:
     void handleSourceAttribute(const String& sourceUrl);
     void handleAsyncAttribute();
 
+    WTF::OrdinalNumber startLineNumber() { return m_startLineNumber; }
     virtual bool isReady() const { return m_pendingScript.isReady(); }
 
     // Clears the connection to the PendingScript (and Element and Resource).
@@ -116,6 +118,7 @@ private:
     bool m_willExecuteWhenDocumentFinishedParsing : 1;
     bool m_forceAsync : 1;
     bool m_willExecuteInOrder : 1;
+    ScriptType m_scriptType;
 };
 
 ScriptLoader* toScriptLoaderIfPossible(Element*);