Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/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 (10,116) size 430x124
       LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
-      LayoutSVGContainer {g} at (10,116) size 430x124 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,60.00)}]
-        LayoutSVGText {text} at (10,56) size 177x18 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 177x18
+      LayoutSVGContainer {g} at (10,56) size 430x124 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,60.00)}]
+        LayoutSVGText {text} at (10,56) size 176.86x18 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (10,56) size 176.86x18
             chunk 1 text run 1 at (10.00,70.00) startOffset 0 endOffset 26 width 176.87: "StartIndex: 0. NumChars: 9"
-        LayoutSVGText {text} at (10,85) size 403x55 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 403x55
+        LayoutSVGText {text} at (10,85) size 402.34x55 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (10,85) size 402.34x55
             chunk 1 text run 1 at (10.00,128.00) startOffset 0 endOffset 4 width 78.61: "abc "
             chunk 1 text run 1 at (88.61,128.00) startOffset 0 endOffset 4 width 85.57 RTL: " \x{5D3}\x{5D4}\x{5D5}"
             chunk 1 text run 1 at (174.18,128.00) startOffset 0 endOffset 3 width 72.00: "123"
             chunk 1 text run 1 at (246.18,128.00) startOffset 0 endOffset 4 width 90.49 RTL: "\x{5D0}\x{5D1}\x{5D2} "
             chunk 1 text run 1 at (336.67,128.00) startOffset 0 endOffset 4 width 73.29: " 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]
-          LayoutSVGText {text} at (18,161) size 83x18 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 83x18
+        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 (18.98,161) size 82.02x18 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (18.98,161) size 82.02x18
               chunk 1 (middle anchor) text run 1 at (18.99,175.00) startOffset 0 endOffset 12 width 82.02: "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]
-          LayoutSVGText {text} at (132,161) size 76x18 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 75x18
+          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 (132.67,161) size 74.63x18 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (132.67,161) size 74.63x18
               chunk 1 (middle anchor) text run 1 at (132.68,175.00) startOffset 0 endOffset 12 width 74.63: "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 (238,161) size 84x18 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 84x18
+          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 (238.08,161) size 83.81x18 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (238.08,161) size 83.81x18
               chunk 1 (middle anchor) text run 1 at (238.09,175.00) startOffset 0 endOffset 10 width 83.82: "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 (351,161) size 78x18 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 77x18
+          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 (351.78,161) size 76.42x18 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (351.78,161) size 76.42x18
               chunk 1 (middle anchor) text run 1 at (351.79,175.00) startOffset 0 endOffset 10 width 76.43: "numChars--"
-    LayoutSVGText {text} at (10,304) size 264x46 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 264x46
+    LayoutSVGText {text} at (10,304) size 263.33x46 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,304) size 263.33x46
         chunk 1 text run 1 at (10.00,340.00) startOffset 0 endOffset 16 width 263.34: "$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