Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/custom/use-on-g-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/custom/use-on-g-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/use-on-g-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/use-on-g-expected.txt
index 1cb2b998818ba9b2e0c6c92611cadb7d5942cbb9..3e44b041dd16bcea29696a9a4632230484373c80 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/use-on-g-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/use-on-g-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 (20,40) size 489x88
-    LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
-      LayoutSVGContainer {g} at (0,0) size 125x30
-        LayoutSVGRect {rect} at (0,0) size 125x25 [stroke={[type=SOLID] [color=#000080] [stroke width=5.00]}] [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=60.00] [height=10.00]
-        LayoutSVGEllipse {circle} at (40,0) size 40x30 [opacity=0.50] [fill={[type=SOLID] [color=#008000]}] [cx=30.00] [cy=5.00] [r=10.00]
-    LayoutSVGContainer {g} at (245,40) size 130x40 [transform={m=((1.00,0.00)(0.00,1.00)) t=(125.00,25.00)}]
-      LayoutSVGContainer {g} at (245,40) size 130x40
-        LayoutSVGRect {rect} at (245,45) size 130x30 [stroke={[type=SOLID] [color=#000080] [stroke width=5.00]}] [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=60.00] [height=10.00]
-        LayoutSVGEllipse {circle} at (290,40) size 40x40 [opacity=0.50] [fill={[type=SOLID] [color=#008000]}] [cx=30.00] [cy=5.00] [r=10.00]
-    LayoutSVGText {text} at (10,45) size 245x19 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 245x19
+  LayoutSVGRoot {svg} at (0,0) size 800x600
+    LayoutSVGHiddenContainer {defs} at (0,-5) size 60x20
+      LayoutSVGContainer {g} at (0,-5) size 60x20
+        LayoutSVGRect {rect} at (0,0) size 60x10 [stroke={[type=SOLID] [color=#000080] [stroke width=5.00]}] [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=60.00] [height=10.00]
+        LayoutSVGEllipse {circle} at (20,-5) size 20x20 [opacity=0.50] [fill={[type=SOLID] [color=#008000]}] [cx=30.00] [cy=5.00] [r=10.00]
+    LayoutSVGContainer {g} at (0,-5) size 60x20 [transform={m=((1.00,0.00)(0.00,1.00)) t=(125.00,25.00)}]
+      LayoutSVGContainer {g} at (0,-5) size 60x20
+        LayoutSVGRect {rect} at (0,0) size 60x10 [stroke={[type=SOLID] [color=#000080] [stroke width=5.00]}] [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=60.00] [height=10.00]
+        LayoutSVGEllipse {circle} at (20,-5) size 20x20 [opacity=0.50] [fill={[type=SOLID] [color=#008000]}] [cx=30.00] [cy=5.00] [r=10.00]
+    LayoutSVGText {text} at (10,45.50) size 244.39x18.50 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,45.50) size 244.39x18.50
         chunk 1 text run 1 at (10.00,60.00) startOffset 0 endOffset 38 width 244.40: "The two objects should look identical."
-    LayoutSVGContainer {use} at (45,40) size 130x40 [transform={m=((1.00,0.00)(0.00,1.00)) t=(25.00,25.00)}]
-      LayoutSVGContainer {g} at (45,40) size 130x40
-        LayoutSVGRect {rect} at (45,45) size 130x30 [stroke={[type=SOLID] [color=#000080] [stroke width=5.00]}] [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=60.00] [height=10.00]
-        LayoutSVGEllipse {circle} at (90,40) size 40x40 [opacity=0.50] [fill={[type=SOLID] [color=#008000]}] [cx=30.00] [cy=5.00] [r=10.00]
+    LayoutSVGContainer {use} at (0,-5) size 60x20 [transform={m=((1.00,0.00)(0.00,1.00)) t=(25.00,25.00)}]
+      LayoutSVGContainer {g} at (0,-5) size 60x20
+        LayoutSVGRect {rect} at (0,0) size 60x10 [stroke={[type=SOLID] [color=#000080] [stroke width=5.00]}] [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=60.00] [height=10.00]
+        LayoutSVGEllipse {circle} at (20,-5) size 20x20 [opacity=0.50] [fill={[type=SOLID] [color=#008000]}] [cx=30.00] [cy=5.00] [r=10.00]