Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/linux/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 (18,4) size 417x250
+    LayoutSVGContainer {g} at (19,4) size 415.81x248
       LayoutSVGText {text} at (75,4) size 249x15 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 249x15
+        LayoutSVGInlineText {#text} at (75,4) size 249x15
           chunk 1 text run 1 at (75.00,16.00) startOffset 0 endOffset 55 width 249.00: "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 (160,104) size 70x15 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 70x15
+      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 (160,104) size 69.78x15 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (160,104) size 69.78x15
           chunk 1 text run 1 at (160.00,116.00) startOffset 0 endOffset 13 width 69.78: "Click for TOC"
       LayoutSVGText {text} at (25,160) size 78x15 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 78x15
+        LayoutSVGInlineText {#text} at (25,160) size 78x15
           chunk 1 text run 1 at (25.00,172.00) startOffset 0 endOffset 18 width 78.00: "Link to local file"
-      LayoutSVGText {text} at (25,170) size 81x15 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 81x15
+      LayoutSVGText {text} at (25,170) size 80.16x15 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (25,170) size 80.16x15
           chunk 1 text run 1 at (25.00,182.00) startOffset 0 endOffset 17 width 80.16: "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]
+      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 82x12 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 82x12
+        LayoutSVGInlineText {#text} at (275,134) size 82x12
           chunk 1 text run 1 at (275.00,144.00) startOffset 0 endOffset 19 width 82.00: "xlink:type=\"simple\""
       LayoutSVGText {text} at (275,145) size 86x12 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 86x12
+        LayoutSVGInlineText {#text} at (275,145) size 86x12
           chunk 1 text run 1 at (275.00,155.00) startOffset 0 endOffset 20 width 86.00: "xlink:show=\"replace\""
       LayoutSVGText {text} at (275,156) size 107x12 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 107x12
+        LayoutSVGInlineText {#text} at (275,156) size 107x12
           chunk 1 text run 1 at (275.00,166.00) startOffset 0 endOffset 25 width 107.00: "xlink:actuate=\"onRequest\""
-      LayoutSVGText {text} at (275,167) size 120x12 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 120x12
+      LayoutSVGText {text} at (275,167) size 119.30x12 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (275,167) size 119.30x12
           chunk 1 text run 1 at (275.00,177.00) startOffset 0 endOffset 29 width 119.30: "xlink:href=\"linkingToc-t.svg\""
       LayoutSVGText {text} at (275,178) size 116x12 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 116x12
+        LayoutSVGInlineText {#text} at (275,178) size 116x12
           chunk 1 text run 1 at (275.00,188.00) startOffset 0 endOffset 30 width 116.00: "xlink:role=\"figure-out-a-role\""
-      LayoutSVGText {text} at (275,189) size 160x12 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 160x12
+      LayoutSVGText {text} at (275,189) size 159.81x12 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (275,189) size 159.81x12
           chunk 1 text run 1 at (275.00,199.00) startOffset 0 endOffset 38 width 159.82: "xlink:title=\"TOC of Linking BE tests.\""
-      LayoutSVGText {text} at (274,200) size 55x12 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 55x12
+      LayoutSVGText {text} at (274,200) size 54.81x12 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (274,200) size 54.81x12
           chunk 1 text run 1 at (275.00,210.00) startOffset 0 endOffset 14 width 53.82: "target=\"_self\""
     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: 1.8 $"
-    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]