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

LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/textIteratorNilRenderer-expected.txt

Index: LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/textIteratorNilRenderer-expected.txt
diff --git a/LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/textIteratorNilRenderer-expected.txt b/LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/textIteratorNilRenderer-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..069322dc8f01846de6b2d8892a59737a2a6ed60e
--- /dev/null
+++ b/LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/textIteratorNilRenderer-expected.txt
@@ -0,0 +1,34 @@
+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 784x584
+      RenderBlock {CENTER} at (0,0) size 784x57
+        RenderBlock {FORM} at (0,0) size 784x23
+          RenderTable {TABLE} at (74,0) size 636x23
+            RenderTableSection {TBODY} at (0,0) size 636x23
+              RenderTableRow {TR} at (0,0) size 636x23
+                RenderTableCell {TD} at (0,2) size 150x18 [r=0 c=0 rs=2 cs=1]
+                  RenderText {#text} at (0,0) size 4x18
+                    text run at (0,0) width 4: " "
+                RenderTableCell {TD} at (150,0) size 227x23 [r=0 c=1 rs=1 cs=1]
+                  RenderTextControl {INPUT} at (2,2) size 223x19 [bgcolor=#FFFFFF] [border: (2px inset #EEEEEE)]
+                  RenderText {#text} at (0,0) size 0x0
+                RenderTableCell {TD} at (377,0) size 99x22 [r=0 c=2 rs=1 cs=1]
+                  RenderButton {INPUT} at (2,2) size 94.66x18 [bgcolor=#C0C0C0]
+                    RenderBlock (anonymous) at (8,2.50) size 78.66x13
+                      RenderText {#text} at (0,0) size 79x13
+                        text run at (0,0) width 79: "Search Froogle"
+                  RenderText {#text} at (0,0) size 0x0
+                RenderTableCell {TD} at (476,2) size 160x18 [r=0 c=3 rs=2 cs=1]
+                  RenderInline {LABEL} at (0,0) size 117x13
+                    RenderText {#text} at (0,0) size 0x0
+                    RenderBlock {INPUT} at (12.91,3) size 12x12
+                    RenderText {#text} at (27,3) size 100x13
+                      text run at (27,3) width 100: " Remember this location"
+                  RenderText {#text} at (0,0) size 0x0
+        RenderBlock (anonymous) at (0,39) size 784x18
+          RenderBR {BR} at (392,0) size 0x18
+layer at (237,13) size 217x13
+  RenderBlock {DIV} at (3,3) size 217x13
+caret: position 1 of child 0 {#text} of child 1 {TD} of child 0 {TR} of child 1 {TBODY} of child 1 {TABLE} of child 1 {FORM} of child 1 {CENTER} of body