Remove workaround for paint invalidation about percentage transform

third_party/WebKit/Source/core/paint/PaintInvalidator.cpp

Index: third_party/WebKit/Source/core/paint/PaintInvalidator.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintInvalidator.cpp b/third_party/WebKit/Source/core/paint/PaintInvalidator.cpp
index ae82764dc2734a175579fa0bf7c61d7246ea600f..7145cd021f04537b6e4252f12e2a21a94ae671b9 100644
--- a/third_party/WebKit/Source/core/paint/PaintInvalidator.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintInvalidator.cpp
@@ -369,18 +369,6 @@ void PaintInvalidator::invalidatePaintIfNeeded(
   layoutView->sendMediaPositionChangeNotifications(visibleRect);
 }
 
-static bool hasPercentageTransform(const ComputedStyle& style) {
-  if (TransformOperation* translate = style.translate()) {
-    if (translate->dependsOnBoxSize())
-      return true;
-  }
-  return style.transform().dependsOnBoxSize() ||
-         (style.transformOriginX() != Length(50, Percent) &&
-          style.transformOriginX().isPercentOrCalc()) ||
-         (style.transformOriginY() != Length(50, Percent) &&
-          style.transformOriginY().isPercentOrCalc());
-}
-
 void PaintInvalidator::invalidatePaintIfNeeded(
     const LayoutObject& object,
     PaintInvalidatorContext& context) {
@@ -434,13 +422,6 @@ void PaintInvalidator::invalidatePaintIfNeeded(
     context.forcedSubtreeInvalidationFlags |=
         PaintInvalidatorContext::ForcedSubtreeInvalidationChecking;
 
-  // TODO(crbug.com/533277): This is a workaround for the bug. Remove when we
-  // detect paint offset change.
-  if (reason != PaintInvalidationNone &&
-      hasPercentageTransform(object.styleRef()))
-    context.forcedSubtreeInvalidationFlags |=
-        PaintInvalidatorContext::ForcedSubtreeInvalidationChecking;
-
   // TODO(crbug.com/490725): This is a workaround for the bug, to force
   // descendant to update visual rects on clipping change.
   if (!RuntimeEnabledFeatures::slimmingPaintV2Enabled() &&