Make PaintInvalidation a DocumentLifecyle state

Source/core/rendering/compositing/RenderLayerCompositor.cpp

Index: Source/core/rendering/compositing/RenderLayerCompositor.cpp
diff --git a/Source/core/rendering/compositing/RenderLayerCompositor.cpp b/Source/core/rendering/compositing/RenderLayerCompositor.cpp
index b8d830f4fb857407374ab94baa29da8619e919a1..d8bbe7b6950c0df3f873e832decd35c5678d658d 100644
--- a/Source/core/rendering/compositing/RenderLayerCompositor.cpp
+++ b/Source/core/rendering/compositing/RenderLayerCompositor.cpp
@@ -559,7 +559,7 @@ bool RenderLayerCompositor::scrollingLayerDidChange(RenderLayer* layer)
 
 String RenderLayerCompositor::layerTreeAsText(LayerTreeFlags flags)
 {
-    ASSERT(lifecycle().state() >= DocumentLifecycle::CompositingClean);
+    ASSERT(lifecycle().state() >= DocumentLifecycle::PaintInvalidationClean);
 
     if (!m_rootContentLayer)
         return String();
@@ -846,7 +846,7 @@ void RenderLayerCompositor::resetTrackedRepaintRects()
 
 void RenderLayerCompositor::setTracksRepaints(bool tracksRepaints)
 {
-    ASSERT(lifecycle().state() == DocumentLifecycle::CompositingClean);
+    ASSERT(lifecycle().state() == DocumentLifecycle::PaintInvalidationClean);
     m_isTrackingRepaints = tracksRepaints;
 }