Make platform/image-decoders to use USING_FAST_MALLOC.

third_party/WebKit/Source/platform/image-decoders/ImageFrame.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 12 matching lines @@
  * (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 ImageFrame_h
 #define ImageFrame_h
 
 #include "platform/PlatformExport.h"
 #include "platform/geometry/IntRect.h"
 #include "third_party/skia/include/core/SkBitmap.h"
+#include "wtf/Allocator.h"
 #include "wtf/Assertions.h"
 #include "wtf/PassRefPtr.h"
 
 namespace blink {
 
 // ImageFrame represents the decoded image data.  This buffer is what all
 // decoders write a single frame into.
-class PLATFORM_EXPORT ImageFrame {
+class PLATFORM_EXPORT ImageFrame final {
+    DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 public:
     enum Status { FrameEmpty, FramePartial, FrameComplete };
     enum DisposalMethod {
         // If you change the numeric values of these, make sure you audit
         // all users, as some users may cast raw values to/from these
         // constants.
         DisposeNotSpecified, // Leave frame in framebuffer
         DisposeKeep, // Leave frame in framebuffer
         DisposeOverwriteBgcolor, // Clear frame to fully transparent
         DisposeOverwritePrevious // Clear frame to previous framebuffer contents
@@ skipping 163 matching lines @@
     // The frame that must be decoded before this frame can be decoded.
     // WTF::kNotFound if this frame doesn't require any previous frame.
     // This is used by ImageDecoder::clearCacheExceptFrame(), and will never
     // be read for image formats that do not have multiple frames.
     size_t m_requiredPreviousFrameIndex;
 };
 
 } // namespace blink
 
 #endif