Row with only spanning cells have a height of 0.

LayoutTests/platform/win/tables/mozilla/bugs/bug7714-expected.txt

Index: LayoutTests/platform/win/tables/mozilla/bugs/bug7714-expected.txt
diff --git a/LayoutTests/platform/win/tables/mozilla/bugs/bug7714-expected.txt b/LayoutTests/platform/win/tables/mozilla/bugs/bug7714-expected.txt
index 0a8f3c60c7dae9a1bc50ae873e3bffda3912c2a7..9d7939450e19a244e49ad35b7a2cef3edf12a21b 100644
--- a/LayoutTests/platform/win/tables/mozilla/bugs/bug7714-expected.txt
+++ b/LayoutTests/platform/win/tables/mozilla/bugs/bug7714-expected.txt
@@ -8,65 +8,65 @@ layer at (0,0) size 800x600
           text run at (0,0) width 772: "The table below should have two columns and a total of 7 cells, arranged in an alternating/overlapping fashion. The cellspacing=0"
           text run at (0,20) width 758: "for this table. In Nav4.5, this example can be viewed. In 5.0 (jun08 win95), this example displays (apparently) as a simple 2x2"
           text run at (0,40) width 691: "table (i.e., some elements are not displayed at all). (The numbers are the position of each TD in the HTML source)."
-      RenderTable {TABLE} at (0,76) size 22x82 [border: (1px outset #808080)]
-        RenderTableSection {TBODY} at (1,1) size 20x80
-          RenderTableRow {TR} at (0,0) size 20x40
-            RenderTableCell {TD} at (0,9) size 10x22 [border: (1px inset #808080)] [r=0 c=0 rs=2 cs=1]
+      RenderTable {TABLE} at (0,76) size 22x126 [border: (1px outset #808080)]
+        RenderTableSection {TBODY} at (1,1) size 20x124
+          RenderTableRow {TR} at (0,0) size 20x22
+            RenderTableCell {TD} at (0,10) size 10x22 [border: (1px inset #808080)] [r=0 c=0 rs=2 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "1"
-            RenderTableCell {TD} at (10,9) size 10x22 [border: (1px inset #808080)] [r=0 c=1 rs=1 cs=1]
+            RenderTableCell {TD} at (10,0) size 10x22 [border: (1px inset #808080)] [r=0 c=1 rs=1 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "2"
-          RenderTableRow {TR} at (0,40) size 20x0
-            RenderTableCell {TD} at (10,29) size 10x22 [border: (1px inset #808080)] [r=1 c=1 rs=2 cs=1]
+          RenderTableRow {TR} at (0,22) size 20x20
+            RenderTableCell {TD} at (10,31) size 10x22 [border: (1px inset #808080)] [r=1 c=1 rs=2 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "3"
-          RenderTableRow {TR} at (0,40) size 20x0
-            RenderTableCell {TD} at (0,29) size 10x22 [border: (1px inset #808080)] [r=2 c=0 rs=2 cs=1]
+          RenderTableRow {TR} at (0,42) size 20x20
+            RenderTableCell {TD} at (0,51) size 10x22 [border: (1px inset #808080)] [r=2 c=0 rs=2 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "4"
-          RenderTableRow {TR} at (0,40) size 20x0
-            RenderTableCell {TD} at (10,29) size 10x22 [border: (1px inset #808080)] [r=3 c=1 rs=2 cs=1]
+          RenderTableRow {TR} at (0,62) size 20x20
+            RenderTableCell {TD} at (10,71) size 10x22 [border: (1px inset #808080)] [r=3 c=1 rs=2 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "5"
-          RenderTableRow {TR} at (0,40) size 20x0
-            RenderTableCell {TD} at (0,49) size 10x22 [border: (1px inset #808080)] [r=4 c=0 rs=2 cs=1]
+          RenderTableRow {TR} at (0,82) size 20x20
+            RenderTableCell {TD} at (0,92) size 10x22 [border: (1px inset #808080)] [r=4 c=0 rs=2 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "6"
-          RenderTableRow {TR} at (0,40) size 20x40
-            RenderTableCell {TD} at (10,49) size 10x22 [border: (1px inset #808080)] [r=5 c=1 rs=1 cs=1]
+          RenderTableRow {TR} at (0,102) size 20x22
+            RenderTableCell {TD} at (10,102) size 10x22 [border: (1px inset #808080)] [r=5 c=1 rs=1 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "7"
-      RenderBlock {P} at (0,174) size 784x40
+      RenderBlock {P} at (0,218) size 784x40
         RenderText {#text} at (0,0) size 760x39
           text run at (0,0) width 760: "This is the same table as above, but cellspacing=5 in this case. For 5.0, (jun08 win95) notice the odd cellspacing overlaps. See"
           text run at (0,20) width 98: "also bug #6304."
-      RenderTable {TABLE} at (0,230) size 37x107 [border: (1px outset #808080)]
-        RenderTableSection {TBODY} at (1,1) size 35x105
-          RenderTableRow {TR} at (0,5) size 35x35
-            RenderTableCell {TD} at (5,14) size 10x22 [border: (1px inset #808080)] [r=0 c=0 rs=2 cs=1]
+      RenderTable {TABLE} at (0,274) size 37x161 [border: (1px outset #808080)]
+        RenderTableSection {TBODY} at (1,1) size 35x159
+          RenderTableRow {TR} at (0,5) size 35x22
+            RenderTableCell {TD} at (5,17) size 10x22 [border: (1px inset #808080)] [r=0 c=0 rs=2 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "1"
-            RenderTableCell {TD} at (20,11) size 10x22 [border: (1px inset #808080)] [r=0 c=1 rs=1 cs=1]
+            RenderTableCell {TD} at (20,5) size 10x22 [border: (1px inset #808080)] [r=0 c=1 rs=1 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "2"
-          RenderTableRow {TR} at (0,45) size 35x0
-            RenderTableCell {TD} at (20,37) size 10x22 [border: (1px inset #808080)] [r=1 c=1 rs=2 cs=1]
+          RenderTableRow {TR} at (0,32) size 35x20
+            RenderTableCell {TD} at (20,43) size 10x22 [border: (1px inset #808080)] [r=1 c=1 rs=2 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "3"
-          RenderTableRow {TR} at (0,50) size 35x0
-            RenderTableCell {TD} at (5,42) size 10x22 [border: (1px inset #808080)] [r=2 c=0 rs=2 cs=1]
+          RenderTableRow {TR} at (0,57) size 35x20
+            RenderTableCell {TD} at (5,68) size 10x22 [border: (1px inset #808080)] [r=2 c=0 rs=2 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "4"
-          RenderTableRow {TR} at (0,55) size 35x0
-            RenderTableCell {TD} at (20,47) size 10x22 [border: (1px inset #808080)] [r=3 c=1 rs=2 cs=1]
+          RenderTableRow {TR} at (0,82) size 35x20
+            RenderTableCell {TD} at (20,93) size 10x22 [border: (1px inset #808080)] [r=3 c=1 rs=2 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "5"
-          RenderTableRow {TR} at (0,60) size 35x0
-            RenderTableCell {TD} at (5,69) size 10x22 [border: (1px inset #808080)] [r=4 c=0 rs=2 cs=1]
+          RenderTableRow {TR} at (0,107) size 35x20
+            RenderTableCell {TD} at (5,119) size 10x22 [border: (1px inset #808080)] [r=4 c=0 rs=2 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "6"
-          RenderTableRow {TR} at (0,65) size 35x35
-            RenderTableCell {TD} at (20,71) size 10x22 [border: (1px inset #808080)] [r=5 c=1 rs=1 cs=1]
+          RenderTableRow {TR} at (0,132) size 35x22
+            RenderTableCell {TD} at (20,132) size 10x22 [border: (1px inset #808080)] [r=5 c=1 rs=1 cs=1]
               RenderText {#text} at (1,1) size 8x19
                 text run at (1,1) width 8: "7"