Client Side Speed Index

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

Index: third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
index 1064a9a8c14c8dbd36dd98205a05b269695a0bbd..9855a105f005137fd88c2fca8021f80add29430e 100644
--- a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
+++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
@@ -358,6 +358,13 @@ void GraphicsLayer::notifyFirstPaintToClient()
     }
 }
 
+void GraphicsLayer::notifyPaintInvalidationToClient(const IntRect* visualRect)
+{
+    if (visualRect) {
+        m_client->notifyPaintInvalidation(visualRect, paintCount());
+    }
+}
+
 void GraphicsLayer::updateChildList()
 {
     WebLayer* childHost = m_layer->layer();
@@ -1050,6 +1057,7 @@ void GraphicsLayer::invalidateDisplayItemClient(const DisplayItemClientWrapper&
     paintController()->invalidate(displayItemClient, paintInvalidationReason, visualRect);
     if (isTrackingPaintInvalidations())
         trackPaintInvalidationObject(displayItemClient.debugName());
+    notifyPaintInvalidationToClient(visualRect);
 }
 
 void GraphicsLayer::setContentsRect(const IntRect& rect)