Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/svg/stroke/zero-length-arc-linecaps-rendering-expected.txt

Index: third_party/WebKit/LayoutTests/svg/stroke/zero-length-arc-linecaps-rendering-expected.txt
diff --git a/third_party/WebKit/LayoutTests/svg/stroke/zero-length-arc-linecaps-rendering-expected.txt b/third_party/WebKit/LayoutTests/svg/stroke/zero-length-arc-linecaps-rendering-expected.txt
index 1f3cbbf93ffdb249db91cbc0897196963e6e07f0..ff7a9f42e703444fd22e4faea55236f512442dca 100644
--- a/third_party/WebKit/LayoutTests/svg/stroke/zero-length-arc-linecaps-rendering-expected.txt
+++ b/third_party/WebKit/LayoutTests/svg/stroke/zero-length-arc-linecaps-rendering-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 (5,5) size 90x90
+  LayoutSVGRoot {svg} at (0,0) size 800x600
     LayoutSVGContainer {g} at (5,5) size 90x90
       LayoutSVGContainer {g} at (5,5) size 40x90
         LayoutSVGContainer {use} at (5,5) size 40x90
           LayoutSVGContainer {g} at (5,5) size 40x90
             LayoutSVGEllipse {circle} at (5,5) size 40x40 [fill={[type=SOLID] [color=#FF0000]}] [cx=25.00] [cy=25.00] [r=20.00]
             LayoutSVGRect {rect} at (5,55) size 40x40 [fill={[type=SOLID] [color=#FF0000]}] [x=5.00] [y=55.00] [width=40.00] [height=40.00]
-        LayoutSVGPath {path} at (5,5) size 40x40 [transform={m=((1.00,0.00)(0.00,1.00)) t=(25.00,25.00)}] [stroke={[type=SOLID] [color=#008000] [stroke width=40.00] [line cap=ROUND]}] [fill={[type=SOLID] [color=#000000]}] [data="M 0 0 A 20 20 90 0 1 0 0"]
-        LayoutSVGPath {path} at (5,55) size 40x40 [stroke={[type=SOLID] [color=#008000] [stroke width=40.00] [line cap=SQUARE]}] [fill={[type=SOLID] [color=#000000]}] [data="M 25 75 a 20 20 90 0 1 0 0"]
-      LayoutSVGContainer {g} at (55,5) size 40x90 [transform={m=((1.00,0.00)(0.00,1.00)) t=(50.00,0.00)}]
-        LayoutSVGContainer {use} at (55,5) size 40x90
-          LayoutSVGContainer {g} at (55,5) size 40x90
-            LayoutSVGEllipse {circle} at (55,5) size 40x40 [fill={[type=SOLID] [color=#FF0000]}] [cx=25.00] [cy=25.00] [r=20.00]
-            LayoutSVGRect {rect} at (55,55) size 40x40 [fill={[type=SOLID] [color=#FF0000]}] [x=5.00] [y=55.00] [width=40.00] [height=40.00]
-        LayoutSVGPath {path} at (55,5) size 40x40 [transform={m=((1.00,0.00)(0.00,1.00)) t=(25.00,25.00)}] [stroke={[type=SOLID] [color=#008000] [stroke width=40.00] [line cap=ROUND]}] [fill={[type=SOLID] [color=#000000]}] [data="M 0 0 A 20 20 90 0 0 0 0"]
-        LayoutSVGPath {path} at (55,55) size 40x40 [stroke={[type=SOLID] [color=#008000] [stroke width=40.00] [line cap=SQUARE]}] [fill={[type=SOLID] [color=#000000]}] [data="M 25 75 a 20 20 90 0 0 0 0"]
+        LayoutSVGPath {path} at (0,0) size 0x0 [transform={m=((1.00,0.00)(0.00,1.00)) t=(25.00,25.00)}] [stroke={[type=SOLID] [color=#008000] [stroke width=40.00] [line cap=ROUND]}] [fill={[type=SOLID] [color=#000000]}] [data="M 0 0 A 20 20 90 0 1 0 0"]
+        LayoutSVGPath {path} at (25,75) size 0x0 [stroke={[type=SOLID] [color=#008000] [stroke width=40.00] [line cap=SQUARE]}] [fill={[type=SOLID] [color=#000000]}] [data="M 25 75 a 20 20 90 0 1 0 0"]
+      LayoutSVGContainer {g} at (5,5) size 40x90 [transform={m=((1.00,0.00)(0.00,1.00)) t=(50.00,0.00)}]
+        LayoutSVGContainer {use} at (5,5) size 40x90
+          LayoutSVGContainer {g} at (5,5) size 40x90
+            LayoutSVGEllipse {circle} at (5,5) size 40x40 [fill={[type=SOLID] [color=#FF0000]}] [cx=25.00] [cy=25.00] [r=20.00]
+            LayoutSVGRect {rect} at (5,55) size 40x40 [fill={[type=SOLID] [color=#FF0000]}] [x=5.00] [y=55.00] [width=40.00] [height=40.00]
+        LayoutSVGPath {path} at (0,0) size 0x0 [transform={m=((1.00,0.00)(0.00,1.00)) t=(25.00,25.00)}] [stroke={[type=SOLID] [color=#008000] [stroke width=40.00] [line cap=ROUND]}] [fill={[type=SOLID] [color=#000000]}] [data="M 0 0 A 20 20 90 0 0 0 0"]
+        LayoutSVGPath {path} at (25,75) size 0x0 [stroke={[type=SOLID] [color=#008000] [stroke width=40.00] [line cap=SQUARE]}] [fill={[type=SOLID] [color=#000000]}] [data="M 25 75 a 20 20 90 0 0 0 0"]