Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/custom/shapes-supporting-markers-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/custom/shapes-supporting-markers-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/shapes-supporting-markers-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/shapes-supporting-markers-expected.txt
index b88e83a18a954cb079169c3d323215ab05d95726..78e3a652d899dbde61b2666bc880eccb36ead1ca 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/shapes-supporting-markers-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/shapes-supporting-markers-expected.txt
@@ -1,21 +1,21 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (0,9) size 631x277
+  LayoutSVGRoot {svg} at (0,0) size 800x600
     LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourceMarker {marker} [id="mark"] [markerUnits=strokeWidth] [ref at (4,4)] [angle=0.00]
-        LayoutSVGEllipse {circle} at (0,0) size 5x5 [stroke={[type=SOLID] [color=#FF0000]}] [cx=4.00] [cy=4.00] [r=3.00]
-    LayoutSVGContainer {g} at (0,9) size 631x277 [start marker=mark] [middle marker=mark] [end marker=mark]
-      LayoutSVGText {text} at (0,5) size 379x20 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 379x19
+        LayoutSVGEllipse {circle} at (1,1) size 6x6 [stroke={[type=SOLID] [color=#FF0000]}] [cx=4.00] [cy=4.00] [r=3.00]
+    LayoutSVGContainer {g} at (0,5.61) size 378.47x164.39 [start marker=mark] [middle marker=mark] [end marker=mark]
+      LayoutSVGText {text} at (0,5.61) size 378.47x18.59 [start marker=mark] [middle marker=mark] [end marker=mark] contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (0,5.61) size 378.47x18.59 [start marker=mark] [middle marker=mark] [end marker=mark]
           chunk 1 text run 1 at (0.00,20.00) startOffset 0 endOffset 58 width 378.48: "The first row of shapes should have no marker decorations,"
-      LayoutSVGText {text} at (0,25) size 218x20 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 218x19
+      LayoutSVGText {text} at (0,25.61) size 217.67x18.59 [start marker=mark] [middle marker=mark] [end marker=mark] contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (0,25.61) size 217.67x18.59 [start marker=mark] [middle marker=mark] [end marker=mark]
           chunk 1 text run 1 at (0.00,40.00) startOffset 0 endOffset 32 width 217.67: "the second row should have them."
-      LayoutSVGRect {rect} at (0,82) size 85x86 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [x=0.00] [y=50.00] [width=50.00] [height=50.00]
-      LayoutSVGEllipse {circle} at (90,84) size 86x86 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [cx=80.00] [cy=76.00] [r=25.00]
-      LayoutSVGEllipse {ellipse} at (182,84) size 103x86 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [cx=140.00] [cy=76.00] [rx=30.00] [ry=25.00]
-      LayoutSVGPath {line} at (0,197) size 3x89 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [x1=0.00] [y1=120.00] [x2=0.00] [y2=170.00]
-      LayoutSVGPath {polyline} at (47,197) size 89x89 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [points="30 120 80 120 55 170"]
-      LayoutSVGPath {polygon} at (164,197) size 89x89 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [points="100 120 150 120 125 170"]
-      LayoutSVGPath {path} at (281,197) size 88x89 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [data="M 170 120 L 220 120 L 195 170 C 185 170 170 140 170 120"]
+      LayoutSVGRect {rect} at (0,50) size 50x50 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [x=0.00] [y=50.00] [width=50.00] [height=50.00]
+      LayoutSVGEllipse {circle} at (55,51) size 50x50 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [cx=80.00] [cy=76.00] [r=25.00]
+      LayoutSVGEllipse {ellipse} at (110,51) size 60x50 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [cx=140.00] [cy=76.00] [rx=30.00] [ry=25.00]
+      LayoutSVGPath {line} at (0,120) size 0x50 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [x1=0.00] [y1=120.00] [x2=0.00] [y2=170.00]
+      LayoutSVGPath {polyline} at (30,120) size 50x50 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [points="30 120 80 120 55 170"]
+      LayoutSVGPath {polygon} at (100,120) size 50x50 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [points="100 120 150 120 125 170"]
+      LayoutSVGPath {path} at (170,120) size 50x50 [stroke={[type=SOLID] [color=#000000]}] [start marker=mark] [middle marker=mark] [end marker=mark] [data="M 170 120 L 220 120 L 195 170 C 185 170 170 140 170 120"]