Merge virtual mac-antialiasedtext and windows-directwrite test suites

LayoutTests/platform/win/virtual/windows-directwrite/fast/text/atsui-small-caps-punctuation-size-expected.txt

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-  RenderView at (0,0) size 800x600
-layer at (0,0) size 800x600
-  RenderBlock {HTML} at (0,0) size 800x600
-    RenderBody {BODY} at (8,8) size 784x576
-      RenderBlock {P} at (0,0) size 784x36
-        RenderText {#text} at (0,0) size 218x17
-          text run at (0,0) width 218: "This tests for a regression against "
-        RenderInline {I} at (0,0) size 755x35
-          RenderInline {A} at (0,0) size 355x17 [color=#0000EE]
-            RenderText {#text} at (217,0) size 355x17
-              text run at (217,0) width 355: "http://bugzilla.opendarwin.org/show_bug.cgi?id=6397"
-          RenderText {#text} at (571,0) size 755x35
-            text run at (571,0) width 184: " ATSUI small caps use small"
-            text run at (0,18) width 77: "punctuation"
-        RenderText {#text} at (76,18) size 5x17
-          text run at (76,18) width 5: "."
-      RenderBlock {P} at (0,52) size 784x18
-        RenderText {#text} at (0,0) size 375x17
-          text run at (0,0) width 375: "All four question marks below should be \x{201C}big\x{201D}, like this: ?"
-      RenderBlock {HR} at (0,86) size 784x2 [border: (1px inset #EEEEEE)]
-      RenderBlock {P} at (0,104) size 784x18
-        RenderText {#text} at (0,0) size 56x17
-          text run at (0,0) width 56: "ATSUI: "
-        RenderInline {SPAN} at (0,0) size 41x17
-          RenderText {#text} at (55,0) size 41x17
-            text run at (55,0) width 41: "A?b?e\x{300}"
-      RenderBlock {P} at (0,138) size 784x18
-        RenderText {#text} at (0,0) size 31x17
-          text run at (0,0) width 31: "CG: "
-        RenderInline {SPAN} at (0,0) size 41x17
-          RenderText {#text} at (30,0) size 41x17
-            text run at (30,0) width 41: "A?b?e"