[Oilpan] Unify memory usage reporters of Oilpan

third_party/WebKit/Source/platform/graphics/Pattern.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2013 Google, Inc. 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.
@@ skipping 29 matching lines @@
 {
     return ImagePattern::create(tileImage, repeatMode);
 }
 
 PassRefPtr<Pattern> Pattern::createPicturePattern(PassRefPtr<const SkPicture> picture,
     RepeatMode repeatMode)
 {
     return PicturePattern::create(picture, repeatMode);
 }
 
-Pattern::Pattern(RepeatMode repeatMode, int64_t externalMemoryAllocated)
+Pattern::Pattern(RepeatMode repeatMode)
     : m_repeatMode(repeatMode)
-    , m_externalMemoryAllocated(0)
 {
-    adjustExternalMemoryAllocated(externalMemoryAllocated);
 }
 
 Pattern::~Pattern()
 {
-    adjustExternalMemoryAllocated(-m_externalMemoryAllocated);
 }
 
 void Pattern::applyToPaint(SkPaint& paint)
 {
     if (!m_pattern) {
         m_pattern = createShader();
     }
 
     paint.setShader(m_pattern.get());
 }
 
 void Pattern::setPatternSpaceTransform(const AffineTransform& patternSpaceTransformation)
 {
     if (patternSpaceTransformation == m_patternSpaceTransformation)
         return;
 
     m_patternSpaceTransformation = patternSpaceTransformation;
     m_pattern.clear();
 }
 
-void Pattern::adjustExternalMemoryAllocated(int64_t delta)
-{
-    delta = std::max(-m_externalMemoryAllocated, delta);
-
-    v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(delta);
-
-    m_externalMemoryAllocated += delta;
-}
-
 } // namespace blink