Make platform/image-encoders to use USING_FAST_MALLOC.

third_party/WebKit/Source/platform/image-encoders/skia/JPEGImageEncoder.h

Index: third_party/WebKit/Source/platform/image-encoders/skia/JPEGImageEncoder.h
diff --git a/third_party/WebKit/Source/platform/image-encoders/skia/JPEGImageEncoder.h b/third_party/WebKit/Source/platform/image-encoders/skia/JPEGImageEncoder.h
index 6ce970cfb484ac0bf0068a26d66f46b5f4f5ebc6..e59a8e8f701c3a4192196ff1b5a5349aa04bc0dc 100644
--- a/third_party/WebKit/Source/platform/image-encoders/skia/JPEGImageEncoder.h
+++ b/third_party/WebKit/Source/platform/image-encoders/skia/JPEGImageEncoder.h
@@ -31,6 +31,7 @@
 #ifndef JPEGImageEncoder_h
 #define JPEGImageEncoder_h
 
+#include "wtf/Allocator.h"
 #include "wtf/Vector.h"
 
 namespace blink {
@@ -38,6 +39,7 @@ namespace blink {
 struct ImageDataBuffer;
 
 class JPEGImageEncoder {
+    STATIC_ONLY(JPEGImageEncoder);
 public:
     // Encode the image data with a compression quality in [0-100].
     static bool encode(const ImageDataBuffer&, int quality, Vector<unsigned char>*);