Remove workaround for paint invalidation about percentage transform

third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp

Index: third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp b/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
index a707e836c4c8019810e10edde6ed38fad323ede4..1006f861af8ccd77204ddfcadca18884635fdf42 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
@@ -471,18 +471,6 @@ void LayoutBoxModelObject::addLayerHitTestRects(
   }
 }
 
-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());
-}
-
 DISABLE_CFI_PERF
 void LayoutBoxModelObject::invalidateTreeIfNeeded(
     const PaintInvalidationState& paintInvalidationState) {
@@ -510,16 +498,6 @@ void LayoutBoxModelObject::invalidateTreeIfNeeded(
         .setForceSubtreeInvalidationCheckingWithinContainer();
   }
 
-  // TODO(wangxianzhu): Combine this function into LayoutObject::
-  // invalidateTreeIfNeeded() when removing the following workarounds.
-
-  // TODO(wangxianzhu): This is a workaround for crbug.com/533277. Will remove
-  // when we enable paint offset caching.
-  if (reason != PaintInvalidationNone && hasPercentageTransform(styleRef())) {
-    newPaintInvalidationState
-        .setForceSubtreeInvalidationCheckingWithinContainer();
-  }
-
   // TODO(wangxianzhu): This is a workaround for crbug.com/490725. We don't have
   // enough saved information to do accurate check of clipping change. Will
   // remove when we remove rect-based paint invalidation.