Reland of Add StyleDifference::needsVisualRectUpdate

third_party/WebKit/Source/core/style/StyleDifferenceTest.cpp

 // Copyright 2017 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 "core/style/StyleDifference.h"
 
 #include <sstream>
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
 TEST(StyleDifferenceTest, StreamOutputDefault) {
   std::stringstream stringStream;
   StyleDifference diff;
   stringStream << diff;
   EXPECT_EQ(
       "StyleDifference{layoutType=NoLayout, "
       "paintInvalidationType=NoPaintInvalidation, recomputeOverflow=0, "
-      "propertySpecificDifferences=, scrollAnchorDisablingPropertyChanged=0}",
+      "visualRectUpdate=0, propertySpecificDifferences=, "
+      "scrollAnchorDisablingPropertyChanged=0}",
       stringStream.str());
 }
 
 TEST(StyleDifferenceTest, StreamOutputAllFieldsMutated) {
   std::stringstream stringStream;
   StyleDifference diff;
   diff.setNeedsPaintInvalidationObject();
   diff.setNeedsPositionedMovementLayout();
   diff.setNeedsRecomputeOverflow();
+  diff.setNeedsVisualRectUpdate();
   diff.setTransformChanged();
   diff.setScrollAnchorDisablingPropertyChanged();
   stringStream << diff;
   EXPECT_EQ(
       "StyleDifference{layoutType=PositionedMovement, "
       "paintInvalidationType=PaintInvalidationObject, recomputeOverflow=1, "
-      "propertySpecificDifferences=TransformChanged, "
+      "visualRectUpdate=1, propertySpecificDifferences=TransformChanged, "
       "scrollAnchorDisablingPropertyChanged=1}",
       stringStream.str());
 }
 
 TEST(StyleDifferenceTest, StreamOutputSetAllProperties) {
   std::stringstream stringStream;
   StyleDifference diff;
   diff.setTransformChanged();
   diff.setOpacityChanged();
   diff.setZIndexChanged();
   diff.setFilterChanged();
   diff.setBackdropFilterChanged();
   diff.setCSSClipChanged();
   diff.setTextDecorationOrColorChanged();
   stringStream << diff;
   EXPECT_EQ(
       "StyleDifference{layoutType=NoLayout, "
       "paintInvalidationType=NoPaintInvalidation, recomputeOverflow=0, "
+      "visualRectUpdate=0, "
       "propertySpecificDifferences=TransformChanged|OpacityChanged|"
       "ZIndexChanged|FilterChanged|BackdropFilterChanged|CSSClipChanged|"
       "TextDecorationOrColorChanged, scrollAnchorDisablingPropertyChanged=0}",
       stringStream.str());
 }
 
 }  // namespace blink