Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/struct-use-03-t-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/struct-use-03-t-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/struct-use-03-t-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/struct-use-03-t-expected.txt
index 6793575fa6f6fc975c4abd89ebc0d604fa8b4d8f..724c3235060cc0956b6d64aaa1333887071c0f5d 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/struct-use-03-t-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/struct-use-03-t-expected.txt
@@ -2,21 +2,21 @@ layer at (0,0) size 480x360
   LayoutView at (0,0) size 480x360
 layer at (0,0) size 480x360
   LayoutSVGRoot {svg} at (0,0) size 480x360
-    LayoutSVGContainer {g} at (35,46) size 410x209
-      LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
-        LayoutSVGRect {rect} at (0,0) size 110x110 [stroke={[type=SOLID] [color=#C82828] [stroke width=20.00]}] [fill={[type=SOLID] [color=#FADC00]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
-      LayoutSVGText {text} at (87,46) size 66x18 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 65x18
+    LayoutSVGContainer {g} at (49.29,46) size 381.42x194.71
+      LayoutSVGHiddenContainer {defs} at (0,0) size 100x100
+        LayoutSVGRect {rect} at (0,0) size 100x100 [stroke={[type=SOLID] [color=#C82828] [stroke width=20.00]}] [fill={[type=SOLID] [color=#FADC00]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
+      LayoutSVGText {text} at (87.58,46) size 64.83x18 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (87.58,46) size 64.83x18
           chunk 1 (middle anchor) text run 1 at (87.58,60.00) startOffset 0 endOffset 9 width 64.84: "Reference"
-      LayoutSVGText {text} at (340,46) size 40x18 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 40x18
+      LayoutSVGText {text} at (340.31,46) size 39.38x18 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (340.31,46) size 39.38x18
           chunk 1 (middle anchor) text run 1 at (340.31,60.00) startOffset 0 endOffset 5 width 39.38: "<use>"
-      LayoutSVGContainer {g} at (35,85) size 170x170 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(120.00,99.29)}]
-        LayoutSVGRect {rect} at (35,85) size 170x170 [stroke={[type=SOLID] [color=#C82828] [stroke width=20.00]}] [fill={[type=SOLID] [color=#FADC00]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
-      LayoutSVGContainer {g} at (275,85) size 170x170 [transform={m=((1.00,0.00)(0.00,1.00)) t=(240.00,0.00)}]
-        LayoutSVGContainer {use} at (275,85) size 170x170 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(120.00,99.29)}]
-          LayoutSVGRect {rect} at (275,85) size 170x170 [stroke={[type=SOLID] [color=#C82828] [stroke width=20.00]}] [fill={[type=SOLID] [color=#FADC00]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
-    LayoutSVGText {text} at (10,304) size 264x46 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 264x46
+      LayoutSVGContainer {g} at (0,0) size 100x100 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(120.00,99.29)}]
+        LayoutSVGRect {rect} at (0,0) size 100x100 [stroke={[type=SOLID] [color=#C82828] [stroke width=20.00]}] [fill={[type=SOLID] [color=#FADC00]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
+      LayoutSVGContainer {g} at (49.29,99.29) size 141.42x141.42 [transform={m=((1.00,0.00)(0.00,1.00)) t=(240.00,0.00)}]
+        LayoutSVGContainer {use} at (0,0) size 100x100 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(120.00,99.29)}]
+          LayoutSVGRect {rect} at (0,0) size 100x100 [stroke={[type=SOLID] [color=#C82828] [stroke width=20.00]}] [fill={[type=SOLID] [color=#FADC00]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
+    LayoutSVGText {text} at (10,304) size 263.33x46 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,304) size 263.33x46
         chunk 1 text run 1 at (10.00,340.00) startOffset 0 endOffset 16 width 263.34: "$Revision: 1.7 $"
-    LayoutSVGRect {rect} at (0,0) size 480x360 [stroke={[type=SOLID] [color=#000000]}] [x=1.00] [y=1.00] [width=478.00] [height=358.00]
+    LayoutSVGRect {rect} at (1,1) size 478x358 [stroke={[type=SOLID] [color=#000000]}] [x=1.00] [y=1.00] [width=478.00] [height=358.00]