Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/svg/custom/marker-overflow-clip-expected.txt

Index: third_party/WebKit/LayoutTests/svg/custom/marker-overflow-clip-expected.txt
diff --git a/third_party/WebKit/LayoutTests/svg/custom/marker-overflow-clip-expected.txt b/third_party/WebKit/LayoutTests/svg/custom/marker-overflow-clip-expected.txt
deleted file mode 100644
index 2e4016e77d90ff9693e2307770b672f545b79f44..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/svg/custom/marker-overflow-clip-expected.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-layer at (0,0) size 800x600
-  LayoutView at (0,0) size 800x600
-layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (0,0) size 332x250
-    LayoutSVGResourceMarker {marker} [id="marker"] [markerUnits=strokeWidth] [ref at (50,50)] [angle=auto]
-      LayoutSVGRect {rect} at (0,0) size 75x75 [fill={[type=SOLID] [color=#FF0000]}] [x=-50.00] [y=-50.00] [width=200.00] [height=200.00]
-      LayoutSVGRect {rect} at (0,0) size 50x50 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
-    LayoutSVGRect {rect} at (0,0) size 25x25 [fill={[type=SOLID] [color=#000000]}] [x=0.00] [y=0.00] [width=25.00] [height=25.00]
-    LayoutSVGPath {path} at (0,0) size 250x250 [start marker=marker] [data="M 100 100 L 100 100"]
-    LayoutSVGText {text} at (30,6) size 302x18 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 302x18
-        chunk 1 text run 1 at (30.00,20.00) startOffset 0 endOffset 45 width 301.23: "There should be a 150x150 green rect at 25x25"