Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/linux/svg/custom/use-modify-target-symbol-expected.txt

Index: third_party/WebKit/LayoutTests/platform/linux/svg/custom/use-modify-target-symbol-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/svg/custom/use-modify-target-symbol-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/svg/custom/use-modify-target-symbol-expected.txt
index 3d51dff7dfcf15f1845e6c61589733472dfa26c9..68ed92e72705396f279d4e61d6d6a59578c557f6 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/svg/custom/use-modify-target-symbol-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/svg/custom/use-modify-target-symbol-expected.txt
@@ -1,16 +1,16 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (45,45) size 330x100
+  LayoutSVGRoot {svg} at (0,0) size 800x600
     LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
-      LayoutSVGHiddenContainer {symbol} at (0,0) size 0x0
-        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]
-    LayoutSVGContainer {use} at (45,45) size 130x30 [transform={m=((1.00,0.00)(0.00,1.00)) t=(25.00,25.00)}]
-      LayoutSVGViewportContainer {svg} at (45,45) size 130x30
-        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]
-    LayoutSVGContainer {use} at (245,45) size 130x30 [transform={m=((1.00,0.00)(0.00,1.00)) t=(125.00,25.00)}]
-      LayoutSVGViewportContainer {svg} at (245,45) size 130x30
-        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]
-    LayoutSVGText {text} at (30,61) size 143x12 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 143x11
+      LayoutSVGHiddenContainer {symbol} at (0,0) size 60x10
+        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]
+    LayoutSVGContainer {use} at (0,0) size 60x10 [transform={m=((1.00,0.00)(0.00,1.00)) t=(25.00,25.00)}]
+      LayoutSVGViewportContainer {svg} at (0,0) size 60x10
+        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]
+    LayoutSVGContainer {use} at (0,0) size 60x10 [transform={m=((1.00,0.00)(0.00,1.00)) t=(125.00,25.00)}]
+      LayoutSVGViewportContainer {svg} at (0,0) size 60x10
+        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]
+    LayoutSVGText {text} at (30,61.50) size 142.98x11 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (30,61.50) size 142.98x11
         chunk 1 text run 1 at (30.00,70.00) startOffset 0 endOffset 35 width 142.50: "You should shapes _above_ this text"