remove memoryinstrumentation

Source/core/platform/graphics/NativeImagePtr.h

Index: Source/core/platform/graphics/NativeImagePtr.h
diff --git a/Source/core/platform/graphics/NativeImagePtr.h b/Source/core/platform/graphics/NativeImagePtr.h
index 6194a38189d5502e8cfd31d479f8f6e4caf48096..c7545a2344fa27fe7c4a00c4c55c1da731e6e20e 100644
--- a/Source/core/platform/graphics/NativeImagePtr.h
+++ b/Source/core/platform/graphics/NativeImagePtr.h
@@ -33,17 +33,12 @@ namespace WebCore {
 class NativeImageSkia;
 }
 
-namespace WTF {
-class MemoryObjectInfo;
-}
-
 namespace WebCore {
 
 // FIXME: NativeImagePtr and PassNativeImagePtr should be smart
 // pointers (see SVGImage::nativeImageForCurrentFrame()).
 typedef RefPtr<NativeImageSkia> NativeImagePtr;
 typedef PassRefPtr<NativeImageSkia> PassNativeImagePtr;
-void reportMemoryUsage(const NativeImageSkia*, WTF::MemoryObjectInfo*);
 }
 
 #endif