Remove user chosen encoding flag from DocumentLoader::createWriterFor

Source/core/loader/TextResourceDecoderBuilder.h

Index: Source/core/loader/TextResourceDecoderBuilder.h
diff --git a/Source/core/loader/TextResourceDecoderBuilder.h b/Source/core/loader/TextResourceDecoderBuilder.h
index 51dcf7696c268b974f4af036dd0a8b2ca073f5ea..c77fa4032e1b1aac996133cc2539c35e602b39af 100644
--- a/Source/core/loader/TextResourceDecoderBuilder.h
+++ b/Source/core/loader/TextResourceDecoderBuilder.h
@@ -42,14 +42,13 @@ class TextResourceDecoder;
 
 class TextResourceDecoderBuilder {
 public:
-    TextResourceDecoderBuilder(const AtomicString& mimeType, const AtomicString& encoding, bool encodingUserChoosen);
+    TextResourceDecoderBuilder(const AtomicString& mimeType, const AtomicString& encoding);
     ~TextResourceDecoderBuilder();
 
     PassOwnPtr<TextResourceDecoder> buildFor(Document*);
 
     const AtomicString& mimeType() const { return m_mimeType; }
     const AtomicString& encoding() const { return m_encoding; }
-    bool encodingWasChosenByUser() const { return m_encodingWasChosenByUser; }
 
     void clear();
 
@@ -59,7 +58,6 @@ private:
 
     AtomicString m_mimeType;
     AtomicString m_encoding;
-    bool m_encodingWasChosenByUser;
 };
 
 } // namespace blink