Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/win/svg/custom/text-linking-expected.txt

Index: third_party/WebKit/LayoutTests/platform/win/svg/custom/text-linking-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/win/svg/custom/text-linking-expected.txt b/third_party/WebKit/LayoutTests/platform/win/svg/custom/text-linking-expected.txt
index 43afb2434e9862177c04fe5eb07617a3cafaaa8a..3376f42f21d28068c8c02b29a1a11bec5591b6c0 100644
--- a/third_party/WebKit/LayoutTests/platform/win/svg/custom/text-linking-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/win/svg/custom/text-linking-expected.txt
@@ -1,23 +1,23 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (97,36) size 137x217
-    LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
-      LayoutSVGText {text} at (0,-14) size 167x17 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 167x17
+  LayoutSVGRoot {svg} at (0,0) size 800x600
+    LayoutSVGHiddenContainer {defs} at (0,-14) size 200x164
+      LayoutSVGText {text} at (0,-14) size 166.09x17 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (0,-14) size 166.09x17
           chunk 1 text run 1 at (0.00,0.00) startOffset 0 endOffset 25 width 166.09: "Referenced character data"
       LayoutSVGPath {path} at (100,140) size 100x10 [fill={[type=SOLID] [color=#000000]}] [data="M 100 150 L 150 140 L 200 150"]
-    LayoutSVGText {text} at (100,36) size 80x17 contains 1 chunk(s)
+    LayoutSVGText {text} at (100,36) size 79.11x17 contains 1 chunk(s)
       LayoutSVGInline {a} at (0,0) size 80x17
         LayoutSVGTSpan {tspan} at (0,0) size 80x17
-          LayoutSVGInlineText {#text} at (0,0) size 80x17
+          LayoutSVGInlineText {#text} at (100,36) size 79.11x17
             chunk 1 text run 1 at (100.00,50.00) startOffset 0 endOffset 13 width 79.11: "tspan in link"
-    LayoutSVGText {text}
+    LayoutSVGText {text} at (0,0) size 0x0
       LayoutSVGInline {a} at (0,0) size 0x0
-    LayoutSVGText {text} at (97,125) size 102x28 contains 1 chunk(s)
+    LayoutSVGText {text} at (97.25,125.98) size 101.36x26.94 contains 1 chunk(s)
       LayoutSVGInline {a} at (0,0) size 102x27
         LayoutSVGTextPath {textPath} at (0,0) size 102x27
-          LayoutSVGInlineText {#text} at (0,0) size 102x27
+          LayoutSVGInlineText {#text} at (97.25,125.98) size 101.36x26.94
             chunk 1 text run 1 at (102.18,149.56) startOffset 0 endOffset 1 width 4.45: "t"
             chunk 1 text run 2 at (107.84,148.43) startOffset 1 endOffset 2 width 7.10: "e"
             chunk 1 text run 3 at (115.24,146.95) startOffset 2 endOffset 3 width 8.00: "x"
@@ -34,15 +34,15 @@ layer at (0,0) size 800x600
             chunk 1 text run 14 at (178.01,145.60) startOffset 13 endOffset 14 width 4.45: "i"
             chunk 1 text run 15 at (184.11,146.82) startOffset 14 endOffset 15 width 8.00: "n"
             chunk 1 text run 16 at (191.95,148.39) startOffset 15 endOffset 16 width 8.00: "k"
-    LayoutSVGText {text} at (100,186) size 100x17 contains 1 chunk(s)
+    LayoutSVGText {text} at (100,186) size 99.98x17 contains 1 chunk(s)
       LayoutSVGInline {a} at (0,0) size 100x17
-        LayoutSVGInlineText {#text} at (0,0) size 100x17
+        LayoutSVGInlineText {#text} at (100,186) size 99.98x17
           chunk 1 text run 1 at (100.00,200.00) startOffset 0 endOffset 15 width 99.98: "ltGlyph content"
-    LayoutSVGText {text} at (100,236) size 134x17 contains 1 chunk(s)
+    LayoutSVGText {text} at (100,236) size 133.33x17 contains 1 chunk(s)
       LayoutSVGTSpan {tspan} at (0,0) size 134x17
         LayoutSVGInline {a} at (0,0) size 134x17
           LayoutSVGTSpan {tspan} at (0,0) size 134x17
-            LayoutSVGInlineText {#text} at (0,0) size 134x17
+            LayoutSVGInlineText {#text} at (100,236) size 133.33x17
               chunk 1 text run 1 at (100.00,250.00) startOffset 0 endOffset 22 width 133.33: "tspan in link in tspan"
-    LayoutSVGText {text}
+    LayoutSVGText {text} at (0,0) size 0x0
       LayoutSVGInline {a} at (0,0) size 0x0