Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/custom/marker-default-width-height-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/custom/marker-default-width-height-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/marker-default-width-height-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/marker-default-width-height-expected.txt
index c123501102450f1a9a627428e5851b80f5bf6e4e..7a5a13a3afaf9431051637011a076ca0e01b148c 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/marker-default-width-height-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/marker-default-width-height-expected.txt
@@ -1,24 +1,24 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (0,9) size 658x295
-    LayoutSVGContainer {g} at (0,9) size 658x295
-      LayoutSVGText {text} at (0,5) size 395x20 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 395x19
+  LayoutSVGRoot {svg} at (0,0) size 800x600
+    LayoutSVGContainer {g} at (0,5.61) size 394.48x164.39
+      LayoutSVGText {text} at (0,5.61) size 394.48x18.59 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (0,5.61) size 394.48x18.59
           chunk 1 text run 1 at (0.00,20.00) startOffset 0 endOffset 61 width 394.49: "This should show three markers on the path for start/mid/end."
-      LayoutSVGText {text} at (0,25) size 372x20 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 372x19
+      LayoutSVGText {text} at (0,25.61) size 371.59x18.59 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (0,25.61) size 371.59x18.59
           chunk 1 text run 1 at (0.00,40.00) startOffset 0 endOffset 55 width 371.59: "Start marker has no markerWidth/markerHeight specified."
-      LayoutSVGText {text} at (0,45) size 275x20 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 275x19
+      LayoutSVGText {text} at (0,45.61) size 274.77x18.59 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (0,45.61) size 274.77x18.59
           chunk 1 text run 1 at (0.00,60.00) startOffset 0 endOffset 40 width 274.77: "Mid marker has no markerWidth specified."
-      LayoutSVGText {text} at (0,65) size 279x20 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 279x19
+      LayoutSVGText {text} at (0,65.61) size 278.06x18.59 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (0,65.61) size 278.06x18.59
           chunk 1 text run 1 at (0.00,80.00) startOffset 0 endOffset 41 width 278.06: "End marker has no markerHeight specified."
       LayoutSVGResourceMarker {marker} [id="marker1"] [markerUnits=strokeWidth] [ref at (5,5)] [angle=0.00]
-        LayoutSVGRect {rect} at (0,0) size 5x5 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=10.00] [height=10.00]
+        LayoutSVGRect {rect} at (0,0) size 10x10 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=10.00] [height=10.00]
       LayoutSVGResourceMarker {marker} [id="marker2"] [markerUnits=strokeWidth] [ref at (5,5)] [angle=0.00]
-        LayoutSVGRect {rect} at (0,0) size 5x5 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=10.00] [height=10.00]
+        LayoutSVGRect {rect} at (0,0) size 10x10 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=10.00] [height=10.00]
       LayoutSVGResourceMarker {marker} [id="marker3"] [markerUnits=strokeWidth] [ref at (5,5)] [angle=0.00]
-        LayoutSVGRect {rect} at (0,0) size 5x5 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=10.00] [height=10.00]
-      LayoutSVGPath {path} at (196,180) size 124x124 [start marker=marker1] [middle marker=marker2] [end marker=marker3] [data="M 130 120 L 180 120 L 180 170"]
+        LayoutSVGRect {rect} at (0,0) size 10x10 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=10.00] [height=10.00]
+      LayoutSVGPath {path} at (130,120) size 50x50 [start marker=marker1] [middle marker=marker2] [end marker=marker3] [data="M 130 120 L 180 120 L 180 170"]