Add GPURasterizationTrigger

Source/core/rendering/compositing/CompositingReasonFinder.cpp

Index: Source/core/rendering/compositing/CompositingReasonFinder.cpp
diff --git a/Source/core/rendering/compositing/CompositingReasonFinder.cpp b/Source/core/rendering/compositing/CompositingReasonFinder.cpp
index e8c0212d234fb09993f3e40effb5287f030ae073..d39de65806c1cb7cd81784bcac283dbee7975bb1 100644
--- a/Source/core/rendering/compositing/CompositingReasonFinder.cpp
+++ b/Source/core/rendering/compositing/CompositingReasonFinder.cpp
@@ -198,10 +198,8 @@ bool CompositingReasonFinder::requiresCompositingForWillChange(const RenderObjec
     if (renderer->style()->hasWillChangeCompositingHint())
         return true;
 
-    if (Settings* settings = m_renderView.document().settings()) {
-        if (!settings->acceleratedCompositingForGpuRasterizationHintEnabled())
-            return false;
-    }
+    if (!(m_compositingTriggers & GPURasterizationTrigger))
+        return false;
 
     return renderer->style()->hasWillChangeGpuRasterizationHint();
 }