Remove the "horizontal-bt" value from -webkit-writing-mode

third_party/WebKit/Source/platform/geometry/LayoutRectOutsetsTest.cpp

 // Copyright 2015 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 "config.h"
 #include "platform/geometry/LayoutRectOutsets.h"
 
 #include <gtest/gtest.h>
 
 namespace blink {
 namespace {
 
 TEST(LayoutRectOutsetsTest, LogicalOutsets_Horizontal)
 {
     LayoutRectOutsets outsets(1, 2, 3, 4);
     EXPECT_EQ(LayoutRectOutsets(1, 2, 3, 4), outsets.logicalOutsets(TopToBottomWritingMode));
-    EXPECT_EQ(LayoutRectOutsets(1, 2, 3, 4), outsets.logicalOutsets(BottomToTopWritingMode));
 }
 
 TEST(LayoutRectOutsetsTest, LogicalOutsets_Vertical)
 {
     LayoutRectOutsets outsets(1, 2, 3, 4);
     EXPECT_EQ(LayoutRectOutsets(4, 3, 2, 1), outsets.logicalOutsets(LeftToRightWritingMode));
     EXPECT_EQ(LayoutRectOutsets(4, 3, 2, 1), outsets.logicalOutsets(RightToLeftWritingMode));
 }
 
 TEST(LayoutRectOutsetsTest, LogicalOutsetsWithFlippedLines)
 {
     LayoutRectOutsets outsets(1, 2, 3, 4);
     EXPECT_EQ(LayoutRectOutsets(1, 2, 3, 4), outsets.logicalOutsetsWithFlippedLines(TopToBottomWritingMode));
-    EXPECT_EQ(LayoutRectOutsets(3, 2, 1, 4), outsets.logicalOutsetsWithFlippedLines(BottomToTopWritingMode));
     EXPECT_EQ(LayoutRectOutsets(2, 3, 4, 1), outsets.logicalOutsetsWithFlippedLines(LeftToRightWritingMode));
     EXPECT_EQ(LayoutRectOutsets(4, 3, 2, 1), outsets.logicalOutsetsWithFlippedLines(RightToLeftWritingMode));
 }
 
 } // namespace
 } // namespace blink