Merge virtual mac-antialiasedtext and windows-directwrite test suites

LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/whitespace/012-expected.txt

Index: LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/whitespace/012-expected.txt
diff --git a/LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/whitespace/012-expected.txt b/LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/whitespace/012-expected.txt
deleted file mode 100644
index 3167d71c0bb1838ad6d6a0d356afc669ff7a3d89..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/mac/virtual/mac-antialiasedtext/fast/text/whitespace/012-expected.txt
+++ /dev/null
@@ -1,36 +0,0 @@
-layer at (0,0) size 800x600
-  RenderView at (0,0) size 800x600
-layer at (0,0) size 800x172
-  RenderBlock {HTML} at (0,0) size 800x172
-    RenderBody {BODY} at (8,8) size 784x52
-      RenderBlock (anonymous) at (0,0) size 784x18
-        RenderInline {DIV} at (0,0) size 528x16 [color=#FFFFFF] [bgcolor=#FF0000]
-          RenderText {#text} at (0,1) size 528x16
-            text run at (0,1) width 528: "Ahem_font_required_for_this_test."
-        RenderText {#text} at (0,0) size 0x0
-      RenderBlock {P} at (0,34) size 784x18
-        RenderText {#text} at (0,0) size 294x18
-          text run at (0,0) width 294: "The following two blocks should be identical."
-      RenderBlock (floating) {DIV} at (16,84) size 112x16 [color=#00FF00] [bgcolor=#008000]
-        RenderText {#text} at (0,0) size 16x16
-          text run at (0,0) width 16: "["
-        RenderInline {SPAN} at (0,0) size 16x16
-          RenderText {#text} at (16,0) size 16x16
-            text run at (16,0) width 16: " "
-        RenderInline {SPAN} at (0,0) size 16x16
-          RenderText {#text} at (32,0) size 16x16
-            text run at (32,0) width 16: " "
-        RenderInline {SPAN} at (0,0) size 16x16
-          RenderText {#text} at (48,0) size 16x16
-            text run at (48,0) width 16: " "
-        RenderInline {SPAN} at (0,0) size 16x16
-          RenderText {#text} at (64,0) size 16x16
-            text run at (64,0) width 16: " "
-        RenderInline {SPAN} at (0,0) size 16x16
-          RenderText {#text} at (80,0) size 16x16
-            text run at (80,0) width 16: " "
-        RenderText {#text} at (96,0) size 16x16
-          text run at (96,0) width 16: "]"
-      RenderBlock (floating) {DIV} at (16,132) size 112x16 [color=#00FF00] [bgcolor=#008000]
-        RenderText {#text} at (0,0) size 112x16
-          text run at (0,0) width 112: "[     ]"