Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/linking-uri-03-t-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 (18,5) size 413x249
-      LayoutSVGText {text} at (75,5) size 254x14 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 254x14
+    LayoutSVGContainer {g} at (19,5) size 411.56x247
+      LayoutSVGText {text} at (75,5) size 253.91x14 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (75,5) size 253.91x14
           chunk 1 text run 1 at (75.00,16.00) startOffset 0 endOffset 55 width 253.92: "Simple exercise of xlink attributes on the 'a' element."
-      LayoutSVGContainer {a} at (134,121) size 132x133
-        LayoutSVGPath {path} at (134,121) size 132x133 [stroke={[type=SOLID] [color=#0000FF]}] [fill={[type=SOLID] [color=#00FF00]}] [data="M 135 122 l 130 0 l -65 130 Z"]
-      LayoutSVGText {text} at (160,105) size 70x14 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 70x14
+      LayoutSVGContainer {a} at (135,122) size 130x130
+        LayoutSVGPath {path} at (135,122) size 130x130 [stroke={[type=SOLID] [color=#0000FF]}] [fill={[type=SOLID] [color=#00FF00]}] [data="M 135 122 l 130 0 l -65 130 Z"]
+      LayoutSVGText {text} at (160,105) size 69.77x14 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (160,105) size 69.77x14
           chunk 1 text run 1 at (160.00,116.00) startOffset 0 endOffset 13 width 69.78: "Click for TOC"
-      LayoutSVGText {text} at (25,161) size 80x14 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 80x14
+      LayoutSVGText {text} at (25,161) size 79.64x14 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (25,161) size 79.64x14
           chunk 1 text run 1 at (25.00,172.00) startOffset 0 endOffset 18 width 79.65: "Link to local file"
-      LayoutSVGText {text} at (25,171) size 82x14 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 82x14
+      LayoutSVGText {text} at (25,171) size 81.81x14 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (25,171) size 81.81x14
           chunk 1 text run 1 at (25.00,182.00) startOffset 0 endOffset 17 width 81.82: "linkingToc-t.svg."
-      LayoutSVGRect {rect} at (18,159) size 102x28 [stroke={[type=SOLID] [color=#000000]}] [x=19.00] [y=160.00] [width=100.00] [height=26.00]
-      LayoutSVGText {text} at (275,134) size 82x13 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 82x13
+      LayoutSVGRect {rect} at (19,160) size 100x26 [stroke={[type=SOLID] [color=#000000]}] [x=19.00] [y=160.00] [width=100.00] [height=26.00]
+      LayoutSVGText {text} at (275,134) size 81.02x13 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (275,134) size 81.02x13
           chunk 1 text run 1 at (275.00,144.00) startOffset 0 endOffset 19 width 81.02: "xlink:type=\"simple\""
-      LayoutSVGText {text} at (275,145) size 88x13 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 88x13
+      LayoutSVGText {text} at (275,145) size 87.11x13 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (275,145) size 87.11x13
           chunk 1 text run 1 at (275.00,155.00) startOffset 0 endOffset 20 width 87.11: "xlink:show=\"replace\""
-      LayoutSVGText {text} at (275,156) size 108x13 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 108x13
+      LayoutSVGText {text} at (275,156) size 107.66x13 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (275,156) size 107.66x13
           chunk 1 text run 1 at (275.00,166.00) startOffset 0 endOffset 25 width 107.67: "xlink:actuate=\"onRequest\""
-      LayoutSVGText {text} at (275,167) size 119x13 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 119x13
+      LayoutSVGText {text} at (275,167) size 118.91x13 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (275,167) size 118.91x13
           chunk 1 text run 1 at (275.00,177.00) startOffset 0 endOffset 29 width 118.92: "xlink:href=\"linkingToc-t.svg\""
-      LayoutSVGText {text} at (275,178) size 119x13 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 119x13
+      LayoutSVGText {text} at (275,178) size 118.77x13 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (275,178) size 118.77x13
           chunk 1 text run 1 at (275.00,188.00) startOffset 0 endOffset 30 width 118.77: "xlink:role=\"figure-out-a-role\""
-      LayoutSVGText {text} at (275,189) size 156x13 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 156x13
+      LayoutSVGText {text} at (275,189) size 155.56x13 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (275,189) size 155.56x13
           chunk 1 text run 1 at (275.00,199.00) startOffset 0 endOffset 38 width 155.57: "xlink:title=\"TOC of Linking BE tests.\""
-      LayoutSVGText {text} at (275,200) size 56x13 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 56x13
+      LayoutSVGText {text} at (275,200) size 55.83x13 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (275,200) size 55.83x13
           chunk 1 text run 1 at (275.00,210.00) startOffset 0 endOffset 14 width 55.83: "target=\"_self\""
-    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: 1.8 $"
-    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]