Bit-mask incorrectly removed first-line pseudo bit.

third_party/WebKit/Source/core/style/ComputedStyleTest.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 "core/style/ComputedStyle.h"
 
 #include "core/style/ClipPathOperation.h"
 #include "core/style/ShapeValue.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 60 matching lines @@
 TEST(ComputedStyleTest, Preserve3dForceStackingContext) {
   RefPtr<ComputedStyle> style = ComputedStyle::create();
   style->setTransformStyle3D(TransformStyle3DPreserve3D);
   style->setOverflowX(EOverflow::kHidden);
   style->setOverflowY(EOverflow::kHidden);
   style->updateIsStackingContext(false, false);
   EXPECT_EQ(TransformStyle3DFlat, style->usedTransformStyle3D());
   EXPECT_TRUE(style->isStackingContext());
 }
 
+TEST(ComputedStyleTest, FirstPublicPseudoStyle) {
+  RefPtr<ComputedStyle> style = ComputedStyle::create();
+  style->setHasPseudoStyle(PseudoIdFirstLine);
+  EXPECT_TRUE(style->hasPseudoStyle(PseudoIdFirstLine));
+  EXPECT_TRUE(style->hasAnyPublicPseudoStyles());
+}
+
+TEST(ComputedStyleTest, LastPublicPseudoStyle) {
+  RefPtr<ComputedStyle> style = ComputedStyle::create();
+  style->setHasPseudoStyle(PseudoIdScrollbar);
+  EXPECT_TRUE(style->hasPseudoStyle(PseudoIdScrollbar));
+  EXPECT_TRUE(style->hasAnyPublicPseudoStyles());
+}
+
 }  // namespace blink