remove memoryinstrumentation

Source/core/platform/image-decoders/skia/ImageDecoderSkia.cpp

Index: Source/core/platform/image-decoders/skia/ImageDecoderSkia.cpp
diff --git a/Source/core/platform/image-decoders/skia/ImageDecoderSkia.cpp b/Source/core/platform/image-decoders/skia/ImageDecoderSkia.cpp
index c25412beb367c79966e3e7f32d4f720ace108c99..af6a9215d1ad116d642910fef3a189bfecd8dc30 100644
--- a/Source/core/platform/image-decoders/skia/ImageDecoderSkia.cpp
+++ b/Source/core/platform/image-decoders/skia/ImageDecoderSkia.cpp
@@ -28,7 +28,6 @@
 #include "ImageDecoder.h"
 
 #include "NativeImageSkia.h"
-#include "PlatformMemoryInstrumentation.h"
 
 namespace WebCore {
 
@@ -142,10 +141,4 @@ void ImageFrame::setStatus(FrameStatus status)
     }
 }
 
-void ImageFrame::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::Image);
-    info.addMember(m_bitmap, "bitmap");
-}
-
 } // namespace WebCore