Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/custom/text-x-dx-lists-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/custom/text-x-dx-lists-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/text-x-dx-lists-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/text-x-dx-lists-expected.txt
index 53519814e47c9da41ca871e8e6f6e85f19347934..c5e93b8ea6d9b45eaf4d2708d38df373d3f06351 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/text-x-dx-lists-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/text-x-dx-lists-expected.txt
@@ -1,57 +1,57 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (20,11) size 142x357
-    LayoutSVGText {text} at (10,5) size 71x19 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 71x19
+  LayoutSVGRoot {svg} at (0,0) size 800x600
+    LayoutSVGText {text} at (10,5.50) size 70.67x18.50 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,5.50) size 70.67x18.50
         chunk 1 text run 1 at (10.00,20.00) startOffset 0 endOffset 1 width 11.55: "A"
         chunk 1 text run 1 at (50.00,20.00) startOffset 0 endOffset 1 width 10.67: "B"
         chunk 1 text run 1 at (70.00,20.00) startOffset 0 endOffset 1 width 10.67: "C"
-    LayoutSVGText {text} at (10,25) size 71x19 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 71x19
+    LayoutSVGText {text} at (10,25.50) size 70.67x18.50 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,25.50) size 70.67x18.50
         chunk 1 text run 1 at (10.00,40.00) startOffset 0 endOffset 1 width 11.55: "A"
         chunk 1 text run 1 at (50.00,40.00) startOffset 0 endOffset 1 width 10.67: "B"
         chunk 1 text run 1 at (70.00,40.00) startOffset 0 endOffset 1 width 10.67: "C"
-    LayoutSVGText {text} at (10,45) size 71x19 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 12x19
+    LayoutSVGText {text} at (10,45.50) size 70.67x18.50 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,45.50) size 11.55x18.50
         chunk 1 text run 1 at (10.00,60.00) startOffset 0 endOffset 1 width 11.55: "A"
       LayoutSVGTSpan {tspan} at (0,0) size 11x19
-        LayoutSVGInlineText {#text} at (40,0) size 11x19
+        LayoutSVGInlineText {#text} at (50,45.50) size 10.67x18.50
           chunk 1 text run 1 at (50.00,60.00) startOffset 0 endOffset 1 width 10.67: "B"
-      LayoutSVGInlineText {#text} at (60,0) size 11x19
+      LayoutSVGInlineText {#text} at (70,45.50) size 10.67x18.50
         chunk 1 text run 1 at (70.00,60.00) startOffset 0 endOffset 1 width 10.67: "C"
-    LayoutSVGText {text} at (10,65) size 71x19 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 12x19
+    LayoutSVGText {text} at (10,65.50) size 70.67x18.50 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,65.50) size 11.55x18.50
         chunk 1 text run 1 at (10.00,80.00) startOffset 0 endOffset 1 width 11.55: "A"
       LayoutSVGTSpan {tspan} at (0,0) size 11x19
-        LayoutSVGInlineText {#text} at (40,0) size 11x19
+        LayoutSVGInlineText {#text} at (50,65.50) size 10.67x18.50
           chunk 1 text run 1 at (50.00,80.00) startOffset 0 endOffset 1 width 10.67: "B"
-      LayoutSVGInlineText {#text} at (60,0) size 11x19
+      LayoutSVGInlineText {#text} at (70,65.50) size 10.67x18.50
         chunk 1 text run 1 at (70.00,80.00) startOffset 0 endOffset 1 width 10.67: "C"
-    LayoutSVGContainer {g} at (20,211) size 142x157 [transform={m=((1.00,0.00)(0.00,1.00)) t=(-5.00,0.00)}]
-      LayoutSVGText {text} at (15,105) size 71x19 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 71x19
+    LayoutSVGContainer {g} at (15,105.50) size 70.67x78.50 [transform={m=((1.00,0.00)(0.00,1.00)) t=(-5.00,0.00)}]
+      LayoutSVGText {text} at (15,105.50) size 70.67x18.50 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (15,105.50) size 70.67x18.50
           chunk 1 text run 1 at (15.00,120.00) startOffset 0 endOffset 1 width 11.55: "A"
           chunk 1 text run 1 at (55.00,120.00) startOffset 0 endOffset 1 width 10.67: "B"
           chunk 1 text run 1 at (75.00,120.00) startOffset 0 endOffset 1 width 10.67: "C"
-      LayoutSVGText {text} at (15,125) size 71x19 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 12x19
+      LayoutSVGText {text} at (15,125.50) size 70.67x18.50 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (15,125.50) size 11.55x18.50
           chunk 1 text run 1 at (15.00,140.00) startOffset 0 endOffset 1 width 11.55: "A"
         LayoutSVGTSpan {tspan} at (0,0) size 11x19
-          LayoutSVGInlineText {#text} at (40,0) size 11x19
+          LayoutSVGInlineText {#text} at (55,125.50) size 10.67x18.50
             chunk 1 text run 1 at (55.00,140.00) startOffset 0 endOffset 1 width 10.67: "B"
-        LayoutSVGInlineText {#text} at (60,0) size 11x19
+        LayoutSVGInlineText {#text} at (75,125.50) size 10.67x18.50
           chunk 1 text run 1 at (75.00,140.00) startOffset 0 endOffset 1 width 10.67: "C"
-      LayoutSVGText {text} at (15,145) size 71x19 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 71x19
+      LayoutSVGText {text} at (15,145.50) size 70.67x18.50 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (15,145.50) size 70.67x18.50
           chunk 1 text run 1 at (15.00,160.00) startOffset 0 endOffset 1 width 11.55: "A"
           chunk 1 text run 1 at (55.00,160.00) startOffset 0 endOffset 1 width 10.67: "B"
           chunk 1 text run 1 at (75.00,160.00) startOffset 0 endOffset 1 width 10.67: "C"
-      LayoutSVGText {text} at (15,165) size 71x19 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 12x19
+      LayoutSVGText {text} at (15,165.50) size 70.67x18.50 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (15,165.50) size 11.55x18.50
           chunk 1 text run 1 at (15.00,180.00) startOffset 0 endOffset 1 width 11.55: "A"
         LayoutSVGTSpan {tspan} at (0,0) size 11x19
-          LayoutSVGInlineText {#text} at (40,0) size 11x19
+          LayoutSVGInlineText {#text} at (55,165.50) size 10.67x18.50
             chunk 1 text run 1 at (55.00,180.00) startOffset 0 endOffset 1 width 10.67: "B"
-        LayoutSVGInlineText {#text} at (60,0) size 11x19
+        LayoutSVGInlineText {#text} at (75,165.50) size 10.67x18.50
           chunk 1 text run 1 at (75.00,180.00) startOffset 0 endOffset 1 width 10.67: "C"