Consider ClipPathDisplayItems for GPU veto.

third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/graphics/paint/PaintController.h"
 
 #include "platform/TraceEvent.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/graphics/paint/DrawingDisplayItem.h"
 #include "third_party/skia/include/core/SkPictureAnalyzer.h"
@@ skipping 294 matching lines @@
     SkPictureGpuAnalyzer gpuAnalyzer;
 
     if (m_currentPaintArtifact.isEmpty()) {
 #if DCHECK_IS_ON()
         for (const auto& item : m_newDisplayItemList)
             DCHECK(!item.isCached());
 #endif
 
         for (const auto& item : m_newDisplayItemList) {
             m_newDisplayItemList.appendVisualRect(visualRectForDisplayItem(item, offsetFromLayoutObject));
-            if (item.isDrawing())
-                gpuAnalyzer.analyze(static_cast<const DrawingDisplayItem&>(item).picture());
+            // No reason to continue the analysis once we have a veto.
+            if (gpuAnalyzer.suitableForGpuRasterization())
+                item.analyzeForGpuRasterization(gpuAnalyzer);
         }
         m_currentPaintArtifact = PaintArtifact(std::move(m_newDisplayItemList), m_newPaintChunks.releasePaintChunks(), gpuAnalyzer.suitableForGpuRasterization());
         m_newDisplayItemList = DisplayItemList(kInitialDisplayItemListCapacityBytes);
         updateCacheGeneration();
         return;
     }
 
     // Stores indices to valid DrawingDisplayItems in m_currentDisplayItems that have not been matched
     // by CachedDisplayItems during synchronized matching. The indexed items will be matched
     // by later out-of-order CachedDisplayItems in m_newDisplayItemList. This ensures that when
@@ skipping 240 matching lines @@
 
 void PaintController::showDebugData() const
 {
     WTFLogAlways("current display item list: [%s]\n", displayItemListAsDebugString(m_currentPaintArtifact.getDisplayItemList()).utf8().data());
     WTFLogAlways("new display item list: [%s]\n", displayItemListAsDebugString(m_newDisplayItemList).utf8().data());
 }
 
 #endif // ifndef NDEBUG
 
 } // namespace blink