Schedule image resource downloads by decreasing visual impact - Blink Side

Source/core/rendering/RenderImage.cpp

Index: Source/core/rendering/RenderImage.cpp
diff --git a/Source/core/rendering/RenderImage.cpp b/Source/core/rendering/RenderImage.cpp
index e2277ee0b80094c5af5aa759fab2b48b07a5641e..0bde73ed8eb2f0339e374c7ab7ca5d1f961d0de9 100644
--- a/Source/core/rendering/RenderImage.cpp
+++ b/Source/core/rendering/RenderImage.cpp
@@ -591,7 +591,13 @@ bool RenderImage::updateImageLoadingPriorities()
     ResourceLoadPriorityOptimizer::VisibilityStatus status = isVisible ?
         ResourceLoadPriorityOptimizer::Visible : ResourceLoadPriorityOptimizer::NotVisible;
 
-    ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->notifyImageResourceVisibility(m_imageResource->cachedImage(), status);
+    LayoutRect screenArea;
+    if (!objectBounds.isEmpty()) {
+        screenArea = viewBounds;
+        screenArea.intersect(objectBounds);
+    }
+
+    ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->notifyImageResourceVisibility(m_imageResource->cachedImage(), status, screenArea);
 
     return true;
 }