Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/text/bidi-tspans-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/text/bidi-tspans-expected.txt
diff --git a/third_party/WebKit/LayoutTests/svg/text/bidi-tspans-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/text/bidi-tspans-expected.txt
similarity index 68%
copy from third_party/WebKit/LayoutTests/svg/text/bidi-tspans-expected.txt
copy to third_party/WebKit/LayoutTests/platform/mac/svg/text/bidi-tspans-expected.txt
index ba27c3b7e58fbd41f726ddb83fe768fb0a72c4ca..8ff710b536106252b2a54a7c5298a18cb30b5a7e 100644
--- a/third_party/WebKit/LayoutTests/svg/text/bidi-tspans-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/text/bidi-tspans-expected.txt
@@ -1,19 +1,19 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (153,223) size 461x84
-    LayoutSVGContainer {g} at (153,223) size 461x84
-      LayoutSVGText {text} at (91,133) size 278x21 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 277x20
+  LayoutSVGRoot {svg} at (0,0) size 800x600
+    LayoutSVGContainer {g} at (91.86,133.81) size 276.25x49.80
+      LayoutSVGText {text} at (91.86,133.81) size 276.25x19.80 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (91.86,133.81) size 276.25x19.80
           chunk 1 (middle anchor) text run 1 at (91.87,150.00) startOffset 0 endOffset 10 width 56.37 RTL: ", \x{627}\x{62E}\x{62A}\x{628}\x{627}\x{631}\"!"
           chunk 1 (middle anchor) text run 1 at (148.24,150.00) startOffset 0 endOffset 14 width 135.74: "dirRTL ubEmbed"
           chunk 1 (middle anchor) text run 1 at (283.98,150.00) startOffset 0 endOffset 14 width 84.15 RTL: "\x{646}\x{634}\x{627}\x{637} \x{627}\x{644}\x{62A}\x{62F}\x{648}\x{64A}\x{644} \""
-      LayoutSVGText {text} at (91,163) size 278x21 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (191,0) size 85x20
+      LayoutSVGText {text} at (91.86,163.81) size 276.25x19.80 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (283.36,163.81) size 84.75x19.80
           chunk 1 (middle anchor) text run 1 at (283.98,180.00) startOffset 0 endOffset 14 width 84.15 RTL: "\x{646}\x{634}\x{627}\x{637} \x{627}\x{644}\x{62A}\x{62F}\x{648}\x{64A}\x{644} \""
         LayoutSVGTSpan {tspan} at (0,0) size 182x20
-          LayoutSVGInlineText {#text} at (11,0) size 181x20
+          LayoutSVGInlineText {#text} at (103.25,163.81) size 180.72x19.80
             chunk 1 (middle anchor) text run 1 at (103.26,180.00) startOffset 0 endOffset 8 width 44.98 RTL: ", \x{627}\x{62E}\x{62A}\x{628}\x{627}\x{631}"
             chunk 1 (middle anchor) text run 1 at (148.24,180.00) startOffset 0 endOffset 14 width 135.74: "dirRTL ubEmbed"
-        LayoutSVGInlineText {#text} at (0,0) size 12x20
+        LayoutSVGInlineText {#text} at (91.86,163.81) size 11.39x19.80
           chunk 1 (middle anchor) text run 1 at (91.87,180.00) startOffset 0 endOffset 2 width 11.39 RTL: "\"!"