Back PaintRecord with PaintOpBuffer instead of SkPicture

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

Index: third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp b/third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp
index ebd50c5e7910d325ed1db68c9448b3eb8109c6c8..b55b5e3467b378bc6eade222a0eccfba5035d587 100644
--- a/third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp
+++ b/third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp
@@ -16,6 +16,8 @@
 #include <stdio.h>
 #endif
 
+static constexpr int maxNumberOfSlowPathsBeforeVeto = 5;
+
 namespace blink {
 
 void PaintController::setTracksRasterInvalidations(bool value) {
@@ -503,15 +505,15 @@ void PaintController::commitNewDisplayItems(
       !m_newDisplayItemList.isEmpty())
     generateChunkRasterInvalidationRects(m_newPaintChunks.lastChunk());
 
-  SkPictureGpuAnalyzer gpuAnalyzer;
+  int numSlowPaths = 0;
 
   m_currentCacheGeneration =
       DisplayItemClient::CacheGenerationOrInvalidationReason::next();
   Vector<const DisplayItemClient*> skippedCacheClients;
   for (const auto& item : m_newDisplayItemList) {
     // No reason to continue the analysis once we have a veto.
-    if (gpuAnalyzer.suitableForGpuRasterization())
-      item.analyzeForGpuRasterization(gpuAnalyzer);
+    if (numSlowPaths <= maxNumberOfSlowPathsBeforeVeto)
+      numSlowPaths += item.numberOfSlowPaths();
 
     // TODO(wkorman): Only compute and append visual rect for drawings.
     m_newDisplayItemList.appendVisualRect(
@@ -549,7 +551,7 @@ void PaintController::commitNewDisplayItems(
   m_newDisplayItemList.shrinkToFit();
   m_currentPaintArtifact = PaintArtifact(
       std::move(m_newDisplayItemList), m_newPaintChunks.releasePaintChunks(),
-      gpuAnalyzer.suitableForGpuRasterization());
+      numSlowPaths <= maxNumberOfSlowPathsBeforeVeto);
   resetCurrentListIndices();
   m_outOfOrderItemIndices.clear();
   m_outOfOrderChunkIndices.clear();