Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/custom/recursive-gradient-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/custom/recursive-gradient-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/recursive-gradient-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/recursive-gradient-expected.txt
index 77765ab8ecbfc198de0f1ea81f9b840a7356b239..469b23f8f08a88cb78421e51ca51afa35debc099 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/recursive-gradient-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/recursive-gradient-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 (0,0) size 451x254
+  LayoutSVGRoot {svg} at (0,0) size 800x600
     LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourceRadialGradient {radialGradient} [id="gradient0"] [gradientUnits=objectBoundingBox] [center=(0.50,0.50)] [focal=(0.50,0.50)] [radius=0.50] [focalRadius=0.00]
         LayoutSVGGradientStop {stop} [offset=0.00] [color=#0000FF]
@@ -12,14 +12,14 @@ layer at (0,0) size 800x600
       LayoutSVGResourceRadialGradient {radialGradient} [id="gradient2"] [gradientUnits=objectBoundingBox] [center=(0.50,0.50)] [focal=(0.50,0.50)] [radius=0.50] [focalRadius=0.00]
       LayoutSVGResourceRadialGradient {radialGradient} [id="gradient4"] [gradientUnits=objectBoundingBox] [center=(0.50,0.50)] [focal=(0.50,0.50)] [radius=0.50] [focalRadius=0.00]
       LayoutSVGResourceRadialGradient {radialGradient} [id="gradient3"] [gradientUnits=objectBoundingBox] [center=(0.50,0.50)] [focal=(0.50,0.50)] [radius=0.50] [focalRadius=0.00]
-    LayoutSVGRect {rect} at (0,0) size 101x101 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=RADIAL-GRADIENT] [id="gradient1"]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
-    LayoutSVGRect {rect} at (99,0) size 102x101 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=RADIAL-GRADIENT] [id="gradient2"]}] [x=100.00] [y=0.00] [width=100.00] [height=100.00]
-    LayoutSVGRect {rect} at (0,99) size 101x102 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=RADIAL-GRADIENT] [id="gradient3"]}] [x=0.00] [y=100.00] [width=100.00] [height=100.00]
-    LayoutSVGPath {line} at (224,0) size 2x200 [stroke={[type=SOLID] [color=#FF0000]}] [fill={[type=SOLID] [color=#000000]}] [x1=225.00] [y1=0.00] [x2=225.00] [y2=200.00]
-    LayoutSVGText {text} at (75,236) size 300x18 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 299x18
+    LayoutSVGRect {rect} at (0,0) size 100x100 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=RADIAL-GRADIENT] [id="gradient1"]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
+    LayoutSVGRect {rect} at (100,0) size 100x100 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=RADIAL-GRADIENT] [id="gradient2"]}] [x=100.00] [y=0.00] [width=100.00] [height=100.00]
+    LayoutSVGRect {rect} at (0,100) size 100x100 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=RADIAL-GRADIENT] [id="gradient3"]}] [x=0.00] [y=100.00] [width=100.00] [height=100.00]
+    LayoutSVGPath {line} at (225,0) size 0x200 [stroke={[type=SOLID] [color=#FF0000]}] [fill={[type=SOLID] [color=#000000]}] [x1=225.00] [y1=0.00] [x2=225.00] [y2=200.00]
+    LayoutSVGText {text} at (75.69,236) size 298.61x18 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (75.69,236) size 298.61x18
         chunk 1 (middle anchor) text run 1 at (75.69,250.00) startOffset 0 endOffset 48 width 298.62: "Both sides of the red line should look identical"
-    LayoutSVGContainer {g} at (249,0) size 202x201 [transform={m=((1.00,0.00)(0.00,1.00)) t=(250.00,0.00)}]
-      LayoutSVGRect {rect} at (249,0) size 102x101 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=RADIAL-GRADIENT] [id="gradient0"]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
-      LayoutSVGRect {rect} at (349,0) size 102x101 [stroke={[type=SOLID] [color=#008000]}] [x=100.00] [y=0.00] [width=100.00] [height=100.00]
-      LayoutSVGRect {rect} at (249,99) size 102x102 [stroke={[type=SOLID] [color=#008000]}] [x=0.00] [y=100.00] [width=100.00] [height=100.00]
+    LayoutSVGContainer {g} at (0,0) size 200x200 [transform={m=((1.00,0.00)(0.00,1.00)) t=(250.00,0.00)}]
+      LayoutSVGRect {rect} at (0,0) size 100x100 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=RADIAL-GRADIENT] [id="gradient0"]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
+      LayoutSVGRect {rect} at (100,0) size 100x100 [stroke={[type=SOLID] [color=#008000]}] [x=100.00] [y=0.00] [width=100.00] [height=100.00]
+      LayoutSVGRect {rect} at (0,100) size 100x100 [stroke={[type=SOLID] [color=#008000]}] [x=0.00] [y=100.00] [width=100.00] [height=100.00]