Create an antialiased virtual layout test group for font testing on Mac

LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/shadow-translucent-fill-expected.txt

Index: LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/shadow-translucent-fill-expected.txt
diff --git a/LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/shadow-translucent-fill-expected.txt b/LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/shadow-translucent-fill-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4ea7f67bd0e6573b1e9243fc3ef5608b9a80e336
--- /dev/null
+++ b/LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/shadow-translucent-fill-expected.txt
@@ -0,0 +1,54 @@
+layer at (0,0) size 800x600
+  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 784x18
+        RenderText {#text} at (0,0) size 594x18
+          text run at (0,0) width 470: "Test that the intensity of text-shadow does not depend on the transparency "
+          text run at (470,0) width 124: "of the text fill color."
+      RenderBlock {DIV} at (0,34) size 784x72
+        RenderText {#text} at (0,0) size 48x24
+          text run at (0,0) width 48: "A "
+        RenderInline {SPAN} at (0,0) size 24x24 [color=#00000000]
+          RenderText {#text} at (48,0) size 24x24
+            text run at (48,0) width 24: "A"
+        RenderText {#text} at (72,0) size 24x24
+          text run at (72,0) width 24: " "
+        RenderInline {SPAN} at (0,0) size 24x24 [color=#00000019]
+          RenderText {#text} at (96,0) size 24x24
+            text run at (96,0) width 24: "A"
+        RenderText {#text} at (0,0) size 0x0
+      RenderBlock {P} at (0,122) size 784x18
+        RenderText {#text} at (0,0) size 400x18
+          text run at (0,0) width 400: "There should be three identical green squares on the line above."
+      RenderBlock {DIV} at (0,156) size 784x72
+        RenderText {#text} at (0,0) size 48x24
+          text run at (0,0) width 48: "A "
+        RenderInline {SPAN} at (0,0) size 24x24 [color=#00000000]
+          RenderText {#text} at (48,0) size 24x24
+            text run at (48,0) width 24: "A"
+        RenderText {#text} at (72,0) size 24x24
+          text run at (72,0) width 24: " "
+        RenderInline {SPAN} at (0,0) size 24x24 [color=#00000019]
+          RenderText {#text} at (96,0) size 24x24
+            text run at (96,0) width 24: "A"
+        RenderText {#text} at (0,0) size 0x0
+      RenderBlock {P} at (0,244) size 784x18
+        RenderText {#text} at (0,0) size 470x18
+          text run at (0,0) width 470: "There should be three identical soft-edged green squares on the line above."
+      RenderBlock {DIV} at (0,278) size 784x72 [textStrokeColor=#0000FF] [textStrokeWidth=5.00]
+        RenderText {#text} at (0,0) size 48x24
+          text run at (0,0) width 48: "A "
+        RenderInline {SPAN} at (0,0) size 24x24 [color=#00000000]
+          RenderText {#text} at (48,0) size 24x24
+            text run at (48,0) width 24: "A"
+        RenderText {#text} at (72,0) size 24x24
+          text run at (72,0) width 24: " "
+        RenderInline {SPAN} at (0,0) size 24x24 [color=#00000019]
+          RenderText {#text} at (96,0) size 24x24
+            text run at (96,0) width 24: "A"
+        RenderText {#text} at (0,0) size 0x0
+      RenderBlock {P} at (0,366) size 784x18
+        RenderText {#text} at (0,0) size 400x18
+          text run at (0,0) width 400: "There should be three identical green squares on the line above."