Don't add artifical 1 pixel width to empty tables

LayoutTests/fast/table/large-shrink-wrapped-width.html

Index: LayoutTests/fast/table/large-shrink-wrapped-width.html
diff --git a/LayoutTests/fast/table/large-shrink-wrapped-width.html b/LayoutTests/fast/table/large-shrink-wrapped-width.html
index 9969e9b5f96ea57f25ad8f2a29921dd1303adfd2..923b9d61808027c027047badfff1d81a43595d04 100644
--- a/LayoutTests/fast/table/large-shrink-wrapped-width.html
+++ b/LayoutTests/fast/table/large-shrink-wrapped-width.html
@@ -28,7 +28,7 @@ table {
 
 <div class="container">
     <!-- The 1 px extra is from the align=right td. -->

[mstensho (USE GERRIT), 2015/05/18 08:45:38]

Strange how align=right could do that, but now the extra pixel is gone, so these
comments are invalid and should be removed.

-    <table data-expected-width=20001>
+    <table data-expected-width=20000>
         <td align=right></td>
         <td width="100%">
             <div class="child" style="width: 10000px"></div><div class="child" style="width: 10000px"></div>
@@ -38,7 +38,7 @@ table {
 
 <div class="container">
     <!-- The 1 px extra is from the align=right td. -->
-    <table data-expected-width=1000001>
+    <table data-expected-width=1000000>
         <td align=right></td>
         <td width="100%">
             <div class="child" style="width: 500000px"></div><div class="child" style="width: 500000px"></div>
@@ -48,7 +48,7 @@ table {
 
 <div class="container">
     <!-- The 1 px extra is from the align=right td. -->
-    <table data-expected-width=1500001>
+    <table data-expected-width=1500000>
         <td align=right></td>
         <td width="100%">
             <div class="child" style="width: 500000px"></div><div class="child" style="width: 500000px"></div><div class="child" style="width: 500000px"></div>