Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/custom/gradient-with-1d-boundingbox-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/custom/gradient-with-1d-boundingbox-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/gradient-with-1d-boundingbox-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/gradient-with-1d-boundingbox-expected.txt
index 1b7b0f5392596622f2c93e6285713dca7f041319..4c1de1bbed5f9a117c9c3382155e10a367a697ee 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/gradient-with-1d-boundingbox-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/gradient-with-1d-boundingbox-expected.txt
@@ -1,7 +1,7 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (5,40) size 270x114
+  LayoutSVGRoot {svg} at (0,0) size 800x600
     LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourceLinearGradient {linearGradient} [id="gradient1"] [gradientUnits=objectBoundingBox] [start=(0,0)] [end=(1,0)]
         LayoutSVGGradientStop {stop} [offset=0.00] [color=#FF0000]
@@ -9,12 +9,12 @@ layer at (0,0) size 800x600
       LayoutSVGResourceRadialGradient {radialGradient} [id="gradient2"] [gradientUnits=userSpaceOnUse] [center=(0,0)] [focal=(0,0)] [radius=9.00] [focalRadius=0.00]
         LayoutSVGGradientStop {stop} [offset=0.00] [color=#FF0000]
         LayoutSVGGradientStop {stop} [offset=1.00] [color=#FF000000]
-    LayoutSVGPath {line} at (20,40) size 200x20 [stroke={[type=LINEAR-GRADIENT] [id="gradient1"] [stroke width=20.00]}] [fill={[type=SOLID] [color=#000000]}] [x1=20.00] [y1=50.00] [x2=220.00] [y2=50.00]
-    LayoutSVGContainer {g} at (111,91) size 18x18 [transform={m=((1.00,0.00)(0.00,1.00)) t=(120.00,100.00)}]
-      LayoutSVGPath {line} at (111,99) size 18x2 [stroke={[type=RADIAL-GRADIENT] [id="gradient2"]}] [fill={[type=SOLID] [color=#000000]}] [x1=-9.00] [y1=0.00] [x2=9.00] [y2=0.00]
-      LayoutSVGPath {line} at (119,91) size 2x18 [stroke={[type=RADIAL-GRADIENT] [id="gradient2"]}] [fill={[type=SOLID] [color=#000000]}] [x1=0.00] [y1=-9.00] [x2=0.00] [y2=9.00]
-      LayoutSVGPath {line} at (113,93) size 14x14 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}] [stroke={[type=RADIAL-GRADIENT] [id="gradient2"]}] [fill={[type=SOLID] [color=#000000]}] [x1=-9.00] [y1=0.00] [x2=9.00] [y2=0.00]
-      LayoutSVGPath {line} at (113,93) size 14x14 [transform={m=((0.71,-0.71)(0.71,0.71)) t=(0.00,0.00)}] [stroke={[type=RADIAL-GRADIENT] [id="gradient2"]}] [fill={[type=SOLID] [color=#000000]}] [x1=-9.00] [y1=0.00] [x2=9.00] [y2=0.00]
-    LayoutSVGText {text} at (5,136) size 270x18 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 270x18
+    LayoutSVGPath {line} at (20,50) size 200x0 [stroke={[type=LINEAR-GRADIENT] [id="gradient1"] [stroke width=20.00]}] [fill={[type=SOLID] [color=#000000]}] [x1=20.00] [y1=50.00] [x2=220.00] [y2=50.00]
+    LayoutSVGContainer {g} at (-9,-9) size 18x18 [transform={m=((1.00,0.00)(0.00,1.00)) t=(120.00,100.00)}]
+      LayoutSVGPath {line} at (-9,0) size 18x0 [stroke={[type=RADIAL-GRADIENT] [id="gradient2"]}] [fill={[type=SOLID] [color=#000000]}] [x1=-9.00] [y1=0.00] [x2=9.00] [y2=0.00]
+      LayoutSVGPath {line} at (0,-9) size 0x18 [stroke={[type=RADIAL-GRADIENT] [id="gradient2"]}] [fill={[type=SOLID] [color=#000000]}] [x1=0.00] [y1=-9.00] [x2=0.00] [y2=9.00]
+      LayoutSVGPath {line} at (-9,0) size 18x0 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}] [stroke={[type=RADIAL-GRADIENT] [id="gradient2"]}] [fill={[type=SOLID] [color=#000000]}] [x1=-9.00] [y1=0.00] [x2=9.00] [y2=0.00]
+      LayoutSVGPath {line} at (-9,0) size 18x0 [transform={m=((0.71,-0.71)(0.71,0.71)) t=(0.00,0.00)}] [stroke={[type=RADIAL-GRADIENT] [id="gradient2"]}] [fill={[type=SOLID] [color=#000000]}] [x1=-9.00] [y1=0.00] [x2=9.00] [y2=0.00]
+    LayoutSVGText {text} at (5.28,136) size 269.47x18 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (5.28,136) size 269.47x18
         chunk 1 (middle anchor) text run 1 at (5.29,150.00) startOffset 0 endOffset 43 width 269.42: "You should see a green line, and a red star"