Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/text-tselect-02-f-expected.txt

 layer at (0,0) size 480x360
   LayoutView at (0,0) size 480x360
 layer at (0,0) size 480x360
   LayoutSVGRoot {svg} at (0,0) size 480x360
     LayoutSVGContainer {g} at (10,115) size 430x125
       LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
-      LayoutSVGContainer {g} at (10,115) size 430x125 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,60.00)}]
+      LayoutSVGContainer {g} at (10,55) size 430x125 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,60.00)}]
         LayoutSVGText {text} at (10,55) size 167x19 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 167x19
+          LayoutSVGInlineText {#text} at (10,55) size 167x19
             chunk 1 text run 1 at (10.00,70.00) startOffset 0 endOffset 26 width 167.00: "StartIndex: 0. NumChars: 9"
         LayoutSVGText {text} at (10,85) size 368x55 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 368x55
+          LayoutSVGInlineText {#text} at (10,85) size 368x55
             chunk 1 text run 1 at (10.00,128.00) startOffset 0 endOffset 4 width 78.00: "abc "
             chunk 1 text run 1 at (88.00,128.00) startOffset 0 endOffset 4 width 68.00 RTL: " \x{5D3}\x{5D4}\x{5D5}"
             chunk 1 text run 1 at (156.00,128.00) startOffset 0 endOffset 3 width 72.00: "123"
             chunk 1 text run 1 at (228.00,128.00) startOffset 0 endOffset 4 width 73.00 RTL: "\x{5D0}\x{5D1}\x{5D2} "
             chunk 1 text run 1 at (301.00,128.00) startOffset 0 endOffset 4 width 72.00: " def"
-        LayoutSVGContainer {g} at (10,220) size 430x20
-          LayoutSVGRect {rect} at (10,220) size 100x20 [fill={[type=SOLID] [color=#0000FF]}] [x=10.00] [y=160.00] [width=100.00] [height=20.00]
+        LayoutSVGContainer {g} at (10,160) size 430x20
+          LayoutSVGRect {rect} at (10,160) size 100x20 [fill={[type=SOLID] [color=#0000FF]}] [x=10.00] [y=160.00] [width=100.00] [height=20.00]
           LayoutSVGText {text} at (21,160) size 78x19 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 78x19
+            LayoutSVGInlineText {#text} at (21,160) size 78x19
               chunk 1 (middle anchor) text run 1 at (21.00,175.00) startOffset 0 endOffset 12 width 78.00: "startIndex++"
-          LayoutSVGRect {rect} at (120,220) size 100x20 [fill={[type=SOLID] [color=#0000FF]}] [x=120.00] [y=160.00] [width=100.00] [height=20.00]
+          LayoutSVGRect {rect} at (120,160) size 100x20 [fill={[type=SOLID] [color=#0000FF]}] [x=120.00] [y=160.00] [width=100.00] [height=20.00]
           LayoutSVGText {text} at (134,160) size 72x19 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 72x19
+            LayoutSVGInlineText {#text} at (134,160) size 72x19
               chunk 1 (middle anchor) text run 1 at (134.00,175.00) startOffset 0 endOffset 12 width 72.00: "startIndex--"
-          LayoutSVGRect {rect} at (230,220) size 100x20 [fill={[type=SOLID] [color=#0000FF]}] [x=230.00] [y=160.00] [width=100.00] [height=20.00]
-          LayoutSVGText {text} at (240,160) size 80x19 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 79x19
+          LayoutSVGRect {rect} at (230,160) size 100x20 [fill={[type=SOLID] [color=#0000FF]}] [x=230.00] [y=160.00] [width=100.00] [height=20.00]
+          LayoutSVGText {text} at (240.50,160) size 79x19 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (240.50,160) size 79x19
               chunk 1 (middle anchor) text run 1 at (240.50,175.00) startOffset 0 endOffset 10 width 79.00: "numChars++"
-          LayoutSVGRect {rect} at (340,220) size 100x20 [fill={[type=SOLID] [color=#0000FF]}] [x=340.00] [y=160.00] [width=100.00] [height=20.00]
-          LayoutSVGText {text} at (353,160) size 74x19 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 73x19
+          LayoutSVGRect {rect} at (340,160) size 100x20 [fill={[type=SOLID] [color=#0000FF]}] [x=340.00] [y=160.00] [width=100.00] [height=20.00]
+          LayoutSVGText {text} at (353.50,160) size 73x19 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (353.50,160) size 73x19
               chunk 1 (middle anchor) text run 1 at (353.50,175.00) startOffset 0 endOffset 10 width 73.00: "numChars--"
     LayoutSVGText {text} at (10,304) size 261x46 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 261x46
+      LayoutSVGInlineText {#text} at (10,304) size 261x46
         chunk 1 text run 1 at (10.00,340.00) startOffset 0 endOffset 16 width 261.00: "$Revision: 1.2 $"
-    LayoutSVGRect {rect} at (0,0) size 480x360 [stroke={[type=SOLID] [color=#000000]}] [x=1.00] [y=1.00] [width=478.00] [height=358.00]
+    LayoutSVGRect {rect} at (1,1) size 478x358 [stroke={[type=SOLID] [color=#000000]}] [x=1.00] [y=1.00] [width=478.00] [height=358.00]
 selection start: position 4 of child 0 {#text} of child 3 {text} of child 3 {g} of child 35 {g} of child 1 {svg} of document
 selection end:   position 13 of child 0 {#text} of child 3 {text} of child 3 {g} of child 35 {g} of child 1 {svg} of document