Implemented Document.contentType

Source/core/dom/Document.h

Index: Source/core/dom/Document.h
diff --git a/Source/core/dom/Document.h b/Source/core/dom/Document.h
index ef537230494f44b52664a755b51eb2e6bb5cdd5d..e490e47b79794ececf7ad3378fe5ebaf8e9df0bb 100644
--- a/Source/core/dom/Document.h
+++ b/Source/core/dom/Document.h
@@ -359,6 +359,8 @@ public:
     void setContent(const String&);
 
     String suggestedMIMEType() const;
+    void setMimeType(const AtomicString&);
+    AtomicString contentType() const; // DOM 4 document.contentType
 
     const AtomicString& contentLanguage() const { return m_contentLanguage; }
     void setContentLanguage(const AtomicString&);
@@ -559,6 +561,7 @@ public:
     const AtomicString& baseTarget() const { return m_baseTarget; }
     void processBaseElement();
 
+

[arv (Not doing code reviews), 2014/02/11 16:36:10]

remove extra empty line

     KURL completeURL(const String&) const;
     KURL completeURLWithOverride(const String&, const KURL& baseURLOverride) const;
 
@@ -1170,6 +1173,9 @@ private:
 
     AtomicString m_baseTarget;
 
+    // Mime-type of the XHR response that created this document.

[arv (Not doing code reviews), 2014/02/11 16:36:10]

How is this related to XHR? Maybe remove comment and rename field?

+    AtomicString m_mimeType;
+
     RefPtr<DocumentType> m_docType;
     OwnPtr<DOMImplementation> m_implementation;