Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/painting-stroke-02-t-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/painting-stroke-02-t-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/painting-stroke-02-t-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/painting-stroke-02-t-expected.txt
index b6f82a207551d9d845fe12383b521fa1667674c6..187bb01d28ef20e19ff2de8b49f0b428c9509974 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/painting-stroke-02-t-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/painting-stroke-02-t-expected.txt
@@ -2,19 +2,19 @@ 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 (10,7) size 470x292
-      LayoutSVGText {text} at (10,7) size 475x41 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 475x41
+    LayoutSVGContainer {g} at (10,7) size 474.22x291.41
+      LayoutSVGText {text} at (10,7) size 474.22x41 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (10,7) size 474.22x41
           chunk 1 text run 1 at (10.00,40.00) startOffset 0 endOffset 31 width 474.22: "Basic paint: stroke properties."
-      LayoutSVGRect {rect} at (80,60) size 320x70 [stroke={[type=SOLID] [color=#FF0000] [stroke width=20.00]}] [x=90.00] [y=70.00] [width=300.00] [height=50.00]
-      LayoutSVGRect {rect} at (80,180) size 320x70 [stroke={[type=SOLID] [color=#FF0000] [stroke width=20.00] [line join=ROUND]}] [x=90.00] [y=190.00] [width=300.00] [height=50.00]
-      LayoutSVGText {text} at (120,124) size 312x44 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 312x44
+      LayoutSVGRect {rect} at (90,70) size 300x50 [stroke={[type=SOLID] [color=#FF0000] [stroke width=20.00]}] [x=90.00] [y=70.00] [width=300.00] [height=50.00]
+      LayoutSVGRect {rect} at (90,190) size 300x50 [stroke={[type=SOLID] [color=#FF0000] [stroke width=20.00] [line join=ROUND]}] [x=90.00] [y=190.00] [width=300.00] [height=50.00]
+      LayoutSVGText {text} at (120,124) size 311.88x44 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (120,124) size 311.88x44
           chunk 1 text run 1 at (120.00,160.00) startOffset 0 endOffset 17 width 311.88: "stroke-width=\"20\""
-      LayoutSVGText {text} at (58,254) size 401x45 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 401x45
+      LayoutSVGText {text} at (58,254) size 400.83x44.41 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (58,254) size 400.83x44.41
           chunk 1 text run 1 at (58.00,290.00) startOffset 0 endOffset 23 width 400.84: "stroke-linejoin=\"round\""
-    LayoutSVGText {text} at (10,304) size 284x46 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 284x46
+    LayoutSVGText {text} at (10,304) size 283.33x46 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,304) size 283.33x46
         chunk 1 text run 1 at (10.00,340.00) startOffset 0 endOffset 17 width 283.34: "$Revision: 1.10 $"
-    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]