remove memoryinstrumentation

Source/core/platform/graphics/skia/ImageBufferSkia.cpp

Index: Source/core/platform/graphics/skia/ImageBufferSkia.cpp
diff --git a/Source/core/platform/graphics/skia/ImageBufferSkia.cpp b/Source/core/platform/graphics/skia/ImageBufferSkia.cpp
index 1649034f0b6e0972c1a5d606d3edbeebca29d0e8..32feec228462027f84beba3425440060085c18a4 100644
--- a/Source/core/platform/graphics/skia/ImageBufferSkia.cpp
+++ b/Source/core/platform/graphics/skia/ImageBufferSkia.cpp
@@ -42,7 +42,6 @@
 #include "ImageData.h"
 #include "JPEGImageEncoder.h"
 #include "MIMETypeRegistry.h"
-#include "MemoryInstrumentationSkia.h"
 #include "NativeImageSkia.h"
 #include "PNGImageEncoder.h"
 #include "PlatformContextSkia.h"
@@ -422,14 +421,6 @@ String ImageBuffer::toDataURL(const String& mimeType, const double* quality, Coo
     return "data:" + mimeType + ";base64," + base64Data;
 }
 
-void ImageBufferData::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this);
-    info.addMember(m_canvas, "canvas");
-    info.addMember(m_platformContext, "platformContext");
-    info.addMember(m_layerBridge, "layerBridge");
-}
-
 String ImageDataToDataURL(const ImageData& imageData, const String& mimeType, const double* quality)
 {
     ASSERT(MIMETypeRegistry::isSupportedImageMIMETypeForEncoding(mimeType));