Remove ResourceLoadPriorityOptimizer.

sky/engine/core/rendering/RenderImage.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011-2012. All rights reserved.
  *
@@ skipping 12 matching lines @@
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #include "config.h"
 #include "core/rendering/RenderImage.h"
 
 #include "core/editing/FrameSelection.h"
 #include "core/fetch/ImageResource.h"
-#include "core/fetch/ResourceLoadPriorityOptimizer.h"
 #include "core/fetch/ResourceLoader.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/inspector/InspectorTraceEvents.h"
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/PaintInfo.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderView.h"
 #include "core/rendering/TextRunConstructor.h"
 #include "platform/fonts/Font.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/GraphicsContextStateSaver.h"
 
 namespace blink {
 
 float deviceScaleFactor(LocalFrame*);
 
 RenderImage::RenderImage(Element* element)
     : RenderReplaced(element, IntSize())
     , m_imageDevicePixelRatio(1.0f)
 {
     updateAltText();
-    ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->addRenderObject(this);
 }
 
 RenderImage* RenderImage::createAnonymous(Document* document)
 {
     RenderImage* image = new RenderImage(0);
     image->setDocumentForAnonymous(document);
     return image;
 }
 
 RenderImage::~RenderImage()
@@ skipping 396 matching lines @@
 void RenderImage::layout()
 {
     LayoutRect oldContentRect = replacedContentRect();
     RenderReplaced::layout();
     if (replacedContentRect() != oldContentRect) {
         setShouldDoFullPaintInvalidation(true);
         updateInnerContentRect();
     }
 }
 
-bool RenderImage::updateImageLoadingPriorities()
-{
-    if (!m_imageResource || !m_imageResource->cachedImage() || m_imageResource->cachedImage()->isLoaded())
-        return false;
-
-    LayoutRect viewBounds = viewRect();
-    LayoutRect objectBounds = absoluteContentBox();
-
-    // The object bounds might be empty right now, so intersects will fail since it doesn't deal
-    // with empty rects. Use LayoutRect::contains in that case.
-    bool isVisible;
-    if (!objectBounds.isEmpty())
-        isVisible =  viewBounds.intersects(objectBounds);
-    else
-        isVisible = viewBounds.contains(objectBounds);
-
-    ResourceLoadPriorityOptimizer::VisibilityStatus status = isVisible ?
-        ResourceLoadPriorityOptimizer::Visible : ResourceLoadPriorityOptimizer::NotVisible;
-
-    LayoutRect screenArea;
-    if (!objectBounds.isEmpty()) {
-        screenArea = viewBounds;
-        screenArea.intersect(objectBounds);
-    }
-
-    ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->notifyImageResourceVisibility(m_imageResource->cachedImage(), status, screenArea);
-
-    return true;
-}
-
 void RenderImage::computeIntrinsicRatioInformation(FloatSize& intrinsicSize, double& intrinsicRatio) const
 {
     RenderReplaced::computeIntrinsicRatioInformation(intrinsicSize, intrinsicRatio);
 
     // Our intrinsicSize is empty if we're rendering generated images with relative width/height. Figure out the right intrinsic size to use.
     if (intrinsicSize.isEmpty() && (m_imageResource->imageHasRelativeWidth() || m_imageResource->imageHasRelativeHeight())) {
         RenderObject* containingBlock = isOutOfFlowPositioned() ? container() : this->containingBlock();
         if (containingBlock->isBox()) {
             RenderBox* box = toRenderBox(containingBlock);
             intrinsicSize.setWidth(box->availableLogicalWidth().toFloat());
             intrinsicSize.setHeight(box->availableLogicalHeight(IncludeMarginBorderPadding).toFloat());
         }
     }
     // Don't compute an intrinsic ratio to preserve historical WebKit behavior if we're painting alt text and/or a broken image.
     // Video is excluded from this behavior because video elements have a default aspect ratio that a failed poster image load should not override.
     if (m_imageResource && m_imageResource->errorOccurred()) {
         intrinsicRatio = 1;
         return;
     }
 }
 
 bool RenderImage::needsPreferredWidthsRecalculation() const
 {
     return RenderReplaced::needsPreferredWidthsRecalculation();
 }
 
 } // namespace blink