Don't pixel snap for ellipsis

LayoutTests/platform/mac/tables/mozilla_expected_failures/bugs/bug91057-expected.txt

Index: LayoutTests/platform/mac/tables/mozilla_expected_failures/bugs/bug91057-expected.txt
diff --git a/LayoutTests/platform/mac/tables/mozilla_expected_failures/bugs/bug91057-expected.txt b/LayoutTests/platform/mac/tables/mozilla_expected_failures/bugs/bug91057-expected.txt
index 47dbccf3f657af3d2500cb7e396289e9a597a879..31fa051c8f4856d8a21188cc67b9e0464abf6764 100644
--- a/LayoutTests/platform/mac/tables/mozilla_expected_failures/bugs/bug91057-expected.txt
+++ b/LayoutTests/platform/mac/tables/mozilla_expected_failures/bugs/bug91057-expected.txt
@@ -149,8 +149,8 @@ layer at (0,0) size 785x1778
                 text run at (2,2) width 78: "Table Cell 2"
       RenderTable {TABLE} at (1,1230.50) size 336x48 [border: (1px solid #000000)]
         RenderBlock {CAPTION} at (16.80,0) size 319.20x20 [border: (1px solid #000000)]
-          RenderText {#text} at (149,1) size 21x18
-            text run at (149,1) width 21: "TB"
+          RenderText {#text} at (149,1) size 22x18
+            text run at (149,1) width 22: "TB"
         RenderTableSection {TBODY} at (1,21) size 334x26 [border: (1px solid #000000)]
           RenderTableRow {TR} at (0,2) size 334x22 [border: (1px solid #000000)]
             RenderTableCell {TD} at (2,2) size 164x22 [border: (1px solid #000000)] [r=0 c=0 rs=1 cs=1]
@@ -176,8 +176,8 @@ layer at (0,0) size 785x1778
                 text run at (2,2) width 78: "Table Cell 2"
       RenderTable {TABLE} at (1,1396.31) size 336x48 [border: (1px solid #000000)]
         RenderBlock {CAPTION} at (0,0) size 319.20x20 [border: (1px solid #000000)]
-          RenderText {#text} at (149,1) size 21x18
-            text run at (149,1) width 21: "TB"
+          RenderText {#text} at (149,1) size 22x18
+            text run at (149,1) width 22: "TB"
         RenderTableSection {TBODY} at (1,21) size 334x26 [border: (1px solid #000000)]
           RenderTableRow {TR} at (0,2) size 334x22 [border: (1px solid #000000)]
             RenderTableCell {TD} at (2,2) size 164x22 [border: (1px solid #000000)] [r=0 c=0 rs=1 cs=1]
@@ -191,8 +191,8 @@ layer at (0,0) size 785x1778
           text run at (1,1) width 233: "Test 6 - \"margin: 5%\""
       RenderTable {TABLE} at (1,1514.13) size 172x65.19 [border: (1px solid #000000)]
         RenderBlock {CAPTION} at (8.59,8.59) size 154.81x20 [border: (1px solid #000000)]
-          RenderText {#text} at (66,1) size 22x18
-            text run at (66,1) width 22: "TA"
+          RenderText {#text} at (66,1) size 23x18
+            text run at (66,1) width 23: "TA"
         RenderTableSection {TBODY} at (1,38.19) size 170x26 [border: (1px solid #000000)]
           RenderTableRow {TR} at (0,2) size 170x22 [border: (1px solid #000000)]
             RenderTableCell {TD} at (2,2) size 82x22 [border: (1px solid #000000)] [r=0 c=0 rs=1 cs=1]