Change SVG layout tree output to be more meaningful and consistent

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

Index: third_party/WebKit/LayoutTests/platform/linux/svg/text/select-x-list-with-tspans-3-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/svg/text/select-x-list-with-tspans-3-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/svg/text/select-x-list-with-tspans-3-expected.txt
index df241193ad24b357b1deccca7c3d2b8af9ae74e3..94f34f8ac8c75022f0ce420f01e1c4e100585894 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/svg/text/select-x-list-with-tspans-3-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/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 (50,4) size 375x58
-    LayoutSVGContainer {g} at (299,4) size 34x58
-      LayoutSVGPath {svg:line} at (299,4) size 6x58 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=SOLID] [color=#000000]}] [x1=60.40] [y1=0.80] [x2=60.40] [y2=12.40]
-      LayoutSVGPath {svg:line} at (327,4) size 6x58 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=SOLID] [color=#000000]}] [x1=66.00] [y1=0.80] [x2=66.00] [y2=12.40]
-      LayoutSVGRect {svg:rect} at (302,4) size 28x57 [fill={[type=SOLID] [color=#FF0000] [opacity=0.40]}] [x=60.40] [y=0.80] [width=5.60] [height=11.40]
-    LayoutSVGText {text} at (10,0) size 75x13 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 16x12
+  LayoutSVGRoot {svg} at (0,0) size 800x600
+    LayoutSVGContainer {g} at (60.40,0.80) size 5.60x11.60
+      LayoutSVGPath {svg:line} at (60.40,0.80) size 0x11.60 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=SOLID] [color=#000000]}] [x1=60.40] [y1=0.80] [x2=60.40] [y2=12.40]
+      LayoutSVGPath {svg:line} at (66,0.80) size 0x11.60 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=SOLID] [color=#000000]}] [x1=66.00] [y1=0.80] [x2=66.00] [y2=12.40]
+      LayoutSVGRect {svg:rect} at (60.40,0.80) size 5.60x11.40 [fill={[type=SOLID] [color=#FF0000] [opacity=0.40]}] [x=60.40] [y=0.80] [width=5.60] [height=11.40]
+    LayoutSVGText {text} at (10,0.81) size 74.98x11.39 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,0.81) size 15.59x11.39
         chunk 1 text run 1 at (10.00,10.00) startOffset 0 endOffset 1 width 6.20: "T"
         chunk 1 text run 1 at (20.00,10.00) startOffset 0 endOffset 1 width 5.60: "h"
       LayoutSVGTSpan {tspan} at (0,0) size 3x12
-        LayoutSVGInlineText {#text} at (30,0) size 3x12
+        LayoutSVGInlineText {#text} at (40,0.81) size 2.39x11.39
           chunk 1 text run 1 at (40.00,10.00) startOffset 0 endOffset 1 width 2.40: "i"
       LayoutSVGTSpan {tspan} at (0,0) size 11x12
-        LayoutSVGInlineText {#text} at (32,0) size 11x12
+        LayoutSVGInlineText {#text} at (42.39,0.81) size 10.19x11.39
           chunk 1 text run 1 at (42.40,10.00) startOffset 0 endOffset 3 width 10.20: "s i"
-      LayoutSVGInlineText {#text} at (42,0) size 5x12
+      LayoutSVGInlineText {#text} at (52.59,0.81) size 5x11.39
         chunk 1 text run 1 at (52.60,10.00) 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 (57.59,0.81) size 11.19x11.39
           chunk 1 text run 1 at (57.60,10.00) startOffset 0 endOffset 3 width 11.20: " a "
       LayoutSVGTSpan {tspan} at (0,0) size 4x12
-        LayoutSVGInlineText {#text} at (58,0) size 3x12
+        LayoutSVGInlineText {#text} at (68.80,0.81) size 2.80x11.39
           chunk 1 text run 1 at (68.80,10.00) startOffset 0 endOffset 1 width 2.80: "t"
-      LayoutSVGInlineText {#text} at (61,0) size 14x12
+      LayoutSVGInlineText {#text} at (71.59,0.81) size 13.39x11.39
         chunk 1 text run 1 at (71.60,10.00) startOffset 0 endOffset 3 width 13.40: "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