Replace LayoutObject::skipInvalidationWhenLaidOutChildren() with paintedOutputOfObjectHasNoEffect

third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp

Index: third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp b/third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp
index c0e08b009789601a1daf2bd0e26354c151ca3c37..6d210be8a57ddd3f052d37ff2d6940b3ab547535 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp
@@ -2062,6 +2062,15 @@ void LayoutBlockFlow::setShouldDoFullPaintInvalidationForFirstLine()
         firstRootBox->setShouldDoFullPaintInvalidationRecursively();
 }
 
+bool LayoutBlockFlow::paintedOutputOfObjectHasNoEffect() const
+{
+    // LayoutBlockFlow is in charge of paint invalidation of the first line.
+    if (firstLineBox())
+        return false;
+
+    return LayoutBlock::paintedOutputOfObjectHasNoEffect();
+}
+
 PaintInvalidationReason LayoutBlockFlow::invalidatePaintIfNeeded(const PaintInvalidationState& paintInvalidationState)
 {
     if (containsFloats())