Don't pixel snap for ellipsis

LayoutTests/platform/mac/svg/custom/svg-fonts-in-html-expected.txt

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   RenderView at (0,0) size 800x600
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       RenderInline {SPAN} at (0,0) size 0x0
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-      RenderText {#text} at (63,-2) size 341x191
+    RenderInline {SPAN} at (0,0) size 342x191
+      RenderText {#text} at (63,-2) size 342x191
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-        text run at (56,92) width 341: "GARDEN"
+        text run at (56,92) width 342: "GARDEN"
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-      RenderText {#text} at (152,1) size 88x19
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         text run at (260,1) width 41: " Design"
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-          text run at (11,0) width 430: "Littering a dark and dreary road lay the past relics of browser-"
+    RenderInline {P} at (0,0) size 431x28
+      RenderInline {SPAN} at (0,0) size 431x28
+        RenderText {#text} at (11,0) size 431x28
+          text run at (11,0) width 431: "Littering a dark and dreary road lay the past relics of browser-"
           text run at (11,14) width 198: "specific tags, incompatible "
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-          text run at (239,14) width 113: "s, and broken "
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+          text run at (239,14) width 114: "s, and broken "
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-            text run at (351,14) width 25: "CSS"
-        RenderText {#text} at (375,14) size 66x14
-          text run at (375,14) width 66: " support."
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+            text run at (352,14) width 25: "CSS"
+        RenderText {#text} at (376,14) size 66x14
+          text run at (376,14) width 66: " support."
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-          text run at (11,42) width 430: "enlightenment has been achieved thanks to the tireless efforts of"
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+          text run at (11,42) width 431: "enlightenment has been achieved thanks to the tireless efforts of"
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-          text run at (11,84) width 430: "lessons of the masters. Begin to see with clarity. Learn to use the"
-          text run at (11,98) width 430: "(yet to be) time-honored techniques in new and invigorating"
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+          text run at (168,56) width 220: " and the major browser creators."
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+      text run at (387,56) width 5: " "
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+        text run at (45,-2) width 231: "The Road to"
         text run at (3,35) width 276: "Enlightenment"