Refactoring: Extract StyleSheetCandidate from DocumentStyleSheetCollection

Source/core/dom/StyleSheetCandidate.h

Index: Source/core/dom/StyleSheetCandidate.h
diff --git a/Source/core/dom/AddConsoleMessageTask.h b/Source/core/dom/StyleSheetCandidate.h
similarity index 62%
copy from Source/core/dom/AddConsoleMessageTask.h
copy to Source/core/dom/StyleSheetCandidate.h
index deb1e06206b3307afae35d94bf1cc690c310bd49..f1b64956697f057b97919fd1dc295ed0d244307b 100644
--- a/Source/core/dom/AddConsoleMessageTask.h
+++ b/Source/core/dom/StyleSheetCandidate.h
@@ -24,36 +24,52 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef AddConsoleMessageTask_h
-#define AddConsoleMessageTask_h
+#ifndef StyleSheetCandidate_h
+#define StyleSheetCandidate_h
 
-#include "core/dom/ExecutionContextTask.h"
-#include "core/frame/ConsoleTypes.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
+#include "wtf/text/AtomicString.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
-class AddConsoleMessageTask : public ExecutionContextTask {
+class Node;
+class StyleSheet;
+
+class StyleSheetCandidate {
 public:
-    static PassOwnPtr<AddConsoleMessageTask> create(MessageSource source, MessageLevel level, const String& message)
-    {
-        return adoptPtr(new AddConsoleMessageTask(source, level, message));
-    }
-    virtual void performTask(ExecutionContext*);
+    enum Type {
+        HTMLLink,
+        HTMLStyle,
+        SVGStyle,
+        Pi
+    };
+
+    StyleSheetCandidate(Node& node)
+        : m_node(node)
+        , m_type(typeOf(node))
+    { }
+
+    bool isXSL() const;
+    bool isAlternate() const;
+    bool isEnabledViaScript() const;
+    bool isEnabledAndLoading() const;
+    bool hasPreferrableName(const String& currentPreferrableName) const;
+    bool canBeActivated(const String& currentPreferrableName) const;
+
+    StyleSheet* sheet() const;
+    AtomicString title() const;
+
 private:
-    AddConsoleMessageTask(MessageSource source, MessageLevel level, const String& message)
-        : m_source(source)
-        , m_level(level)
-        , m_message(message.isolatedCopy())
-    {
-    }
-    MessageSource m_source;
-    MessageLevel m_level;
-    String m_message;
+    bool isElement() const { return m_type != Pi; }
+    bool isHTMLLink() const { return m_type == HTMLLink; }
+
+    static Type typeOf(Node&);
+
+    Node& m_node;
+    Type m_type;
 };
 
-} // namespace
+}
 
 #endif
+