Remove unnecessary methods and collapse function calls in the preloader code

Source/core/html/parser/HTMLResourcePreloader.h

Index: Source/core/html/parser/HTMLResourcePreloader.h
diff --git a/Source/core/html/parser/HTMLResourcePreloader.h b/Source/core/html/parser/HTMLResourcePreloader.h
index 33489750d6f8d6226b08c2c041b8f5a7d3d44081..cab3da7e5716089e7317d139c450be0d4cd04042 100644
--- a/Source/core/html/parser/HTMLResourcePreloader.h
+++ b/Source/core/html/parser/HTMLResourcePreloader.h
@@ -46,7 +46,6 @@ public:
 
     const String& charset() const { return m_charset; }
     double discoveryTime() const { return m_discoveryTime; }
-    FetchRequest::DeferOption defer() const { return m_defer; }
     void setDefer(FetchRequest::DeferOption defer) { m_defer = defer; }
     void setCharset(const String& charset) { m_charset = charset.isolatedCopy(); }
     void setCrossOriginEnabled(StoredCredentials allowCredentials)
@@ -94,11 +93,12 @@ public:
     void trace(Visitor*);
 
     void takeAndPreload(PreloadRequestStream&);
-    void preload(PassOwnPtr<PreloadRequest>);
 
 private:
     explicit HTMLResourcePreloader(Document&);
 
+    void preload(PassOwnPtr<PreloadRequest>);
+
     RawPtrWillBeMember<Document> m_document;
 };