Update baselines in fast/forms/ for Mac10.12.

third_party/WebKit/LayoutTests/platform/mac/fast/forms/textarea/textarea-scroll-height-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/fast/forms/textarea/textarea-scroll-height-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/fast/forms/textarea/textarea-scroll-height-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/fast/forms/textarea/textarea-scroll-height-expected.txt
index 469a032a32d84db31ac20ebbe4d687097f9b86c5..3ef8cee1693093351785a2cab2b882cadab7da2b 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/fast/forms/textarea/textarea-scroll-height-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/fast/forms/textarea/textarea-scroll-height-expected.txt
@@ -10,44 +10,44 @@ layer at (0,0) size 800x600
 layer at (8,8) size 200x200 clip at (9,9) size 183x198 scrollHeight 316
   LayoutTextControl {TEXTAREA} at (0,0) size 200x200 [bgcolor=#FFFFFF] [border: (1px solid #000000)]
     LayoutBlockFlow {DIV} at (3,3) size 179x312
-      LayoutText {#text} at (0,0) size 82x299
-        text run at (0,0) width 82: "Lots of content."
-        text run at (81,0) width 1: " "
-        text run at (0,13) width 82: "Lots of content."
-        text run at (81,13) width 1: " "
-        text run at (0,26) width 82: "Lots of content."
-        text run at (81,26) width 1: " "
-        text run at (0,39) width 82: "Lots of content."
-        text run at (81,39) width 1: " "
+      LayoutText {#text} at (0,0) size 83x299
+        text run at (0,0) width 83: "Lots of content."
+        text run at (82,0) width 1: " "
+        text run at (0,13) width 83: "Lots of content."
+        text run at (82,13) width 1: " "
+        text run at (0,26) width 83: "Lots of content."
+        text run at (82,26) width 1: " "
+        text run at (0,39) width 83: "Lots of content."
+        text run at (82,39) width 1: " "
         text run at (0,52) width 0: " "
-        text run at (0,65) width 82: "Lots of content."
-        text run at (81,65) width 1: " "
-        text run at (0,78) width 82: "Lots of content."
-        text run at (81,78) width 1: " "
+        text run at (0,65) width 83: "Lots of content."
+        text run at (82,65) width 1: " "
+        text run at (0,78) width 83: "Lots of content."
+        text run at (82,78) width 1: " "
         text run at (0,91) width 0: " "
-        text run at (0,104) width 82: "Lots of content."
-        text run at (81,104) width 1: " "
-        text run at (0,117) width 82: "Lots of content."
-        text run at (81,117) width 1: " "
+        text run at (0,104) width 83: "Lots of content."
+        text run at (82,104) width 1: " "
+        text run at (0,117) width 83: "Lots of content."
+        text run at (82,117) width 1: " "
         text run at (0,130) width 0: " "
-        text run at (0,143) width 82: "Lots of content."
-        text run at (81,143) width 1: " "
-        text run at (0,156) width 82: "Lots of content."
-        text run at (81,156) width 1: " "
+        text run at (0,143) width 83: "Lots of content."
+        text run at (82,143) width 1: " "
+        text run at (0,156) width 83: "Lots of content."
+        text run at (82,156) width 1: " "
         text run at (0,169) width 0: " "
-        text run at (0,182) width 82: "Lots of content."
-        text run at (81,182) width 1: " "
-        text run at (0,195) width 82: "Lots of content."
-        text run at (81,195) width 1: " "
+        text run at (0,182) width 83: "Lots of content."
+        text run at (82,182) width 1: " "
+        text run at (0,195) width 83: "Lots of content."
+        text run at (82,195) width 1: " "
         text run at (0,208) width 0: " "
-        text run at (0,221) width 82: "Lots of content."
-        text run at (81,221) width 1: " "
-        text run at (0,234) width 82: "Lots of content."
-        text run at (81,234) width 1: " "
+        text run at (0,221) width 83: "Lots of content."
+        text run at (82,221) width 1: " "
+        text run at (0,234) width 83: "Lots of content."
+        text run at (82,234) width 1: " "
         text run at (0,247) width 0: " "
-        text run at (0,260) width 82: "Lots of content."
-        text run at (81,260) width 1: " "
-        text run at (0,273) width 82: "Lots of content."
-        text run at (81,273) width 1: " "
+        text run at (0,260) width 83: "Lots of content."
+        text run at (82,260) width 1: " "
+        text run at (0,273) width 83: "Lots of content."
+        text run at (82,273) width 1: " "
         text run at (0,286) width 0: " "
       LayoutBR {BR} at (0,299) size 0x13