Make classes and structures in core/loader fast-allocated.

Source/core/loader/TextResourceDecoderBuilder.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef TextResourceDecoderBuilder_h
 #define TextResourceDecoderBuilder_h
 
 #include "core/html/parser/TextResourceDecoder.h"
+#include "wtf/Allocator.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class Document;
 class TextResourceDecoder;
 
 class TextResourceDecoderBuilder {
+    DISALLOW_ALLOCATION();
 public:
     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; }
 
     void clear();
 
 private:
     PassOwnPtr<TextResourceDecoder> createDecoderInstance(Document*);
     void setupEncoding(TextResourceDecoder*, Document*);
 
     AtomicString m_mimeType;
     AtomicString m_encoding;
 };
 
 } // namespace blink
 
 #endif // TextResourceDecoderBuilder_h