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

third_party/WebKit/LayoutTests/fast/writing-mode/flipped-blocks-hit-test-line-edges.html

Index: third_party/WebKit/LayoutTests/fast/writing-mode/flipped-blocks-hit-test-line-edges.html
diff --git a/third_party/WebKit/LayoutTests/fast/writing-mode/flipped-blocks-hit-test-line-edges.html b/third_party/WebKit/LayoutTests/fast/writing-mode/flipped-blocks-hit-test-line-edges.html
index 07ac5c515f9349c8493fbc7096e5846d8b1d23e7..846a8a474623297f53e39f90fc83d96d36cece36 100644
--- a/third_party/WebKit/LayoutTests/fast/writing-mode/flipped-blocks-hit-test-line-edges.html
+++ b/third_party/WebKit/LayoutTests/fast/writing-mode/flipped-blocks-hit-test-line-edges.html
@@ -2,10 +2,10 @@
 <script src="../../resources/ahem.js"></script>
 <div id="target" style="
     outline: dashed lightblue;
-    width: 150px;
+    height: 150px;
     padding: 25px;
     font: 20px Ahem;
-    -webkit-writing-mode: horizontal-bt;
+    writing-mode: vertical-rl;
 ">Lorem ipsum dolor sit amet</div>
 <pre id="log"></pre>
 <script>
@@ -19,13 +19,13 @@
         document.getElementById("log").appendChild(document.createTextNode(message + "\n"));
     }
 
-    function test(x, y, expectedOffset)
+    function test(y, x, expectedOffset)
     {
         var actualOffset = document.caretRangeFromPoint(8 + x, 8 + y).startOffset;
         if (actualOffset === expectedOffset)
-            log("PASS: offset at (" + x + "," + y + ") was " + actualOffset + ".");
+            log("PASS: offset at (" + y + "," + x + ") was " + actualOffset + ".");
         else
-            log("FAIL: offset at (" + x + "," + y + ") was " + actualOffset + ". Expected " + expectedOffset + ".");
+            log("FAIL: offset at (" + y + "," + x + ") was " + actualOffset + ". Expected " + expectedOffset + ".");
     }
 
     test(100, 105, 4);
@@ -36,6 +36,6 @@
     test(160, 26, 26);
     test(60, 25, 24);
     test(160, 25, 26);
-    test(60, 24, 26);
+    test(60, 24, 24);
     test(160, 24, 26);
 </script>