Add ImageResource data size to V8 external memory allocation

third_party/WebKit/Source/core/fetch/ImageResource.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
@@ skipping 22 matching lines @@
 #include "platform/Logging.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/SharedBuffer.h"
 #include "platform/TraceEvent.h"
 #include "platform/graphics/BitmapImage.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebCachePolicy.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/StdLibExtras.h"
 #include <memory>
+#include <v8/include/v8.h>

[haraken, 2016/08/12 07:05:09]

We normally include <v8.h>

[keishi, 2016/08/15 08:57:01]

Done.

 
 namespace blink {
 
 using ImageResourceObserverWalker = ResourceClientOrObserverWalker<ImageResourceObserver, ImageResourceObserver>;
 
 ImageResource* ImageResource::fetch(FetchRequest& request, ResourceFetcher* fetcher)
 {
     if (request.resourceRequest().requestContext() == WebURLRequest::RequestContextUnspecified)
         request.mutableResourceRequest().setRequestContext(WebURLRequest::RequestContextImage);
     if (fetcher->context().pageDismissalEventBeingDispatched()) {
@@ skipping 187 matching lines @@
 {
     if (m_data)
         return m_data.get();
     if (m_image)
         return m_image->data();
     return nullptr;
 }
 
 void ImageResource::appendData(const char* data, size_t length)
 {
+    v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(length);
     if (m_multipartParser) {
         m_multipartParser->appendData(data, length);
     } else {
         Resource::appendData(data, length);
         updateImage(false);
     }
 }
 
 std::pair<blink::Image*, float> ImageResource::brokenImage(float deviceScaleFactor)
 {
@@ skipping 102 matching lines @@
         m_image = SVGImage::create(this);
     } else {
         m_image = BitmapImage::create(this);
     }
 }
 
 inline void ImageResource::clearImage()
 {
     if (!m_image)
         return;
+    size_t length = m_image->data() ? m_image->data()->size() : 0;
+    v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(-length);
 
     // If our Image has an observer, it's always us so we need to clear the back pointer
     // before dropping our reference.
     m_image->clearImageObserver();
     m_image.clear();
 }
 
 void ImageResource::updateImage(bool allDataReceived)
 {
     TRACE_EVENT0("blink", "ImageResource::updateImage");
@@ skipping 212 matching lines @@
     if (response().wasFetchedViaServiceWorker())
         return response().serviceWorkerResponseType() != WebServiceWorkerResponseTypeOpaque;
     if (!getImage()->currentFrameHasSingleSecurityOrigin())
         return false;
     if (passesAccessControlCheck(securityOrigin))
         return true;
     return !securityOrigin->taintsCanvas(response().url());
 }
 
 } // namespace blink