Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/svg/text/select-x-list-with-tspans-3-expected.txt

Index: third_party/WebKit/LayoutTests/svg/text/select-x-list-with-tspans-3-expected.txt
diff --git a/third_party/WebKit/LayoutTests/svg/text/select-x-list-with-tspans-3-expected.txt b/third_party/WebKit/LayoutTests/svg/text/select-x-list-with-tspans-3-expected.txt
index 8458749564901cedbd1ac49e8125970298d661b2..8587239e8b73369c924b96805044890347719f68 100644
--- a/third_party/WebKit/LayoutTests/svg/text/select-x-list-with-tspans-3-expected.txt
+++ b/third_party/WebKit/LayoutTests/svg/text/select-x-list-with-tspans-3-expected.txt
@@ -1,30 +1,30 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (50,5) size 373x56
-    LayoutSVGContainer {g} at (297,5) size 34x56
-      LayoutSVGPath {svg:line} at (297,5) size 6x56 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=SOLID] [color=#000000]}] [x1=60.00] [y1=1.00] [x2=60.00] [y2=12.20]
-      LayoutSVGPath {svg:line} at (325,5) size 6x56 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=SOLID] [color=#000000]}] [x1=65.56] [y1=1.00] [x2=65.56] [y2=12.20]
-      LayoutSVGRect {svg:rect} at (300,5) size 28x56 [fill={[type=SOLID] [color=#FF0000] [opacity=0.40]}] [x=60.00] [y=1.00] [width=5.56] [height=11.20]
-    LayoutSVGText {text} at (10,1) size 75x12 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 16x12
+  LayoutSVGRoot {svg} at (0,0) size 800x600
+    LayoutSVGContainer {g} at (60,1) size 5.56x11.20
+      LayoutSVGPath {svg:line} at (60,1) size 0x11.20 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=SOLID] [color=#000000]}] [x1=60.00] [y1=1.00] [x2=60.00] [y2=12.20]
+      LayoutSVGPath {svg:line} at (65.56,1) size 0x11.20 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=SOLID] [color=#000000]}] [x1=65.56] [y1=1.00] [x2=65.56] [y2=12.20]
+      LayoutSVGRect {svg:rect} at (60,1) size 5.56x11.20 [fill={[type=SOLID] [color=#FF0000] [opacity=0.40]}] [x=60.00] [y=1.00] [width=5.56] [height=11.20]
+    LayoutSVGText {text} at (10,1) size 74.44x11.19 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,1) size 15.55x11.19
         chunk 1 text run 1 at (10.00,10.00) startOffset 0 endOffset 1 width 6.11: "T"
         chunk 1 text run 1 at (20.00,10.00) startOffset 0 endOffset 1 width 5.56: "h"
       LayoutSVGTSpan {tspan} at (0,0) size 3x12
-        LayoutSVGInlineText {#text} at (30,0) size 3x12
+        LayoutSVGInlineText {#text} at (40,1) size 2.22x11.19
           chunk 1 text run 1 at (40.00,10.00) startOffset 0 endOffset 1 width 2.22: "i"
       LayoutSVGTSpan {tspan} at (0,0) size 11x12
-        LayoutSVGInlineText {#text} at (32,0) size 10x12
+        LayoutSVGInlineText {#text} at (42.22,1) size 10x11.19
           chunk 1 text run 1 at (42.22,10.00) startOffset 0 endOffset 3 width 10.00: "s i"
-      LayoutSVGInlineText {#text} at (42,0) size 5x12
+      LayoutSVGInlineText {#text} at (52.22,1) size 5x11.19
         chunk 1 text run 1 at (52.22,10.00) startOffset 0 endOffset 1 width 5.00: "s"
       LayoutSVGTSpan {tspan} at (0,0) size 12x12
-        LayoutSVGInlineText {#text} at (47,0) size 12x12
+        LayoutSVGInlineText {#text} at (57.22,1) size 11.11x11.19
           chunk 1 text run 1 at (57.22,10.00) startOffset 0 endOffset 3 width 11.12: " a "
       LayoutSVGTSpan {tspan} at (0,0) size 4x12
-        LayoutSVGInlineText {#text} at (58,0) size 3x12
+        LayoutSVGInlineText {#text} at (68.33,1) size 2.77x11.19
           chunk 1 text run 1 at (68.34,10.00) startOffset 0 endOffset 1 width 2.78: "t"
-      LayoutSVGInlineText {#text} at (61,0) size 14x12
+      LayoutSVGInlineText {#text} at (71.11,1) size 13.33x11.19
         chunk 1 text run 1 at (71.12,10.00) startOffset 0 endOffset 3 width 13.34: "est"
 selection start: position 1 of child 0 {#text} of child 4 {tspan} of child 7 {text} of child 0 {svg} of document
 selection end:   position 2 of child 0 {#text} of child 4 {tspan} of child 7 {text} of child 0 {svg} of document