Schedule image resource downloads by decreasing visual impact - Blink Side

Source/core/rendering/RenderBlock.cpp

Index: Source/core/rendering/RenderBlock.cpp
diff --git a/Source/core/rendering/RenderBlock.cpp b/Source/core/rendering/RenderBlock.cpp
index a23bfbb8af6da719c0329019d101c1b0f6ab86d1..4a6ff5b646b2d4b058e92e985f7802e8336a3dc5 100644
--- a/Source/core/rendering/RenderBlock.cpp
+++ b/Source/core/rendering/RenderBlock.cpp
@@ -1320,8 +1320,14 @@ bool RenderBlock::updateImageLoadingPriorities()
     ResourceLoadPriorityOptimizer::VisibilityStatus status = isVisible ?
         ResourceLoadPriorityOptimizer::Visible : ResourceLoadPriorityOptimizer::NotVisible;
 
+    LayoutRect screenArea;
+    if (!objectBounds.isEmpty()) {
+        screenArea = viewBounds;
+        screenArea.intersect(objectBounds);
+    }
+
     for (Vector<ImageResource*>::iterator it = images.begin(), end = images.end(); it != end; ++it)
-        ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->notifyImageResourceVisibility(*it, status);
+        ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->notifyImageResourceVisibility(*it, status, screenArea);
 
     return true;
 }