[FastTextAutosizer] Do not inflate table parts that do not need layout

LayoutTests/platform/mac/virtual/fasttextautosizing/fast/text-autosizing/tables/nested-tables-expected.txt

Index: LayoutTests/platform/mac/virtual/fasttextautosizing/fast/text-autosizing/tables/nested-tables-expected.txt
diff --git a/LayoutTests/platform/mac/virtual/fasttextautosizing/fast/text-autosizing/tables/nested-tables-expected.txt b/LayoutTests/platform/mac/virtual/fasttextautosizing/fast/text-autosizing/tables/nested-tables-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..20c76037f6bf4a9e94ca84441a802731d88210c5
--- /dev/null
+++ b/LayoutTests/platform/mac/virtual/fasttextautosizing/fast/text-autosizing/tables/nested-tables-expected.txt
@@ -0,0 +1,38 @@
+layer at (0,0) size 800x600
+  RenderView at (0,0) size 800x600
+layer at (0,0) size 800x305
+  RenderBlock {HTML} at (0,0) size 800x305
+    RenderBody {BODY} at (0,0) size 800x304
+      RenderBlock {DIV} at (0,0) size 600x36
+        RenderText {#text} at (0,0) size 196x14
+          text run at (0,0) width 196: "Table autosizing tests - nested-tables.html"
+        RenderBR {BR} at (196,0) size 0x14
+        RenderText {#text} at (0,14) size 358x14
+          text run at (0,14) width 358: "This test passes if \"This text should not overlap itself\" doesn't overlap itself."
+      RenderTable {TABLE} at (1,37) size 798x267 [border: none]
+        RenderTableSection {TBODY} at (0,0) size 797x266
+          RenderTableRow {TR} at (0,0) size 797x266
+            RenderTableCell {TD} at (0,0) size 797x266 [bgcolor=#F0FFF0] [border: (1px dotted #006400)] [r=0 c=0 rs=1 cs=1]
+              RenderBlock (anonymous) at (2,2) size 794x198
+                RenderText {#text} at (0,0) size 777x198
+                  text run at (0,0) width 777: "Autosize Autosize Autosize Autosize Autosize Autosize Autosize"
+                  text run at (0,33) width 777: "Autosize Autosize Autosize Autosize Autosize Autosize Autosize"
+                  text run at (0,66) width 777: "Autosize Autosize Autosize Autosize Autosize Autosize Autosize"
+                  text run at (0,99) width 777: "Autosize Autosize Autosize Autosize Autosize Autosize Autosize"
+                  text run at (0,132) width 777: "Autosize Autosize Autosize Autosize Autosize Autosize Autosize"
+                  text run at (0,165) width 105: "Autosize"
+              RenderTable {TABLE} at (3,201) size 227x63 [border: none]
+                RenderTableSection {TBODY} at (0,0) size 226x62
+                  RenderTableRow {TR} at (0,0) size 226x45
+                    RenderTableCell {TD} at (0,0) size 226x45 [bgcolor=#F0FFF0] [border: (1px dotted #006400)] [r=0 c=0 rs=1 cs=1]
+                      RenderText {#text} at (2,2) size 41x14
+                        text run at (2,2) width 41: "This text"
+                      RenderBR {BR} at (43,2) size 0x14
+                      RenderText {#text} at (2,16) size 88x14
+                        text run at (2,16) width 88: "should not overlap"
+                      RenderBR {BR} at (90,16) size 0x14
+                      RenderText {#text} at (2,30) size 67x14
+                        text run at (2,30) width 67: "itself."
+                  RenderTableRow {TR} at (0,45) size 226x17
+                    RenderTableCell {TD} at (0,45) size 226x17 [bgcolor=#F0FFF0] [border: (1px dotted #006400)] [r=1 c=0 rs=1 cs=1]
+                      RenderImage {IMG} at (2,8) size 5x5