Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/svg/filters/feTile-expected.txt

Index: third_party/WebKit/LayoutTests/svg/filters/feTile-expected.txt
diff --git a/third_party/WebKit/LayoutTests/svg/filters/feTile-expected.txt b/third_party/WebKit/LayoutTests/svg/filters/feTile-expected.txt
index 6870c39d6b32f2fd509c89030a053aaf4988b24c..b6b69448243018839817b293f6da186e1b78c447 100644
--- a/third_party/WebKit/LayoutTests/svg/filters/feTile-expected.txt
+++ b/third_party/WebKit/LayoutTests/svg/filters/feTile-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 420x160
+  LayoutSVGRoot {svg} at (0,0) size 800x600
     LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourceLinearGradient {linearGradient} [id="gradient"] [gradientUnits=objectBoundingBox] [start=(0,0)] [end=(1,1)]
         LayoutSVGGradientStop {stop} [offset=0.00] [color=#FFFFFF]
@@ -17,10 +17,10 @@ layer at (0,0) size 800x600
         [feTile]
           [feOffset dx="0.00" dy="0.00"]
             [SourceGraphic]
-    LayoutSVGContainer {g} at (0,0) size 420x160
-      LayoutSVGRect {rect} at (0,0) size 160x160 [fill={[type=LINEAR-GRADIENT] [id="gradient"]}] [x=10.00] [y=10.00] [width=100.00] [height=100.00]
+    LayoutSVGContainer {g} at (10,10) size 372x100
+      LayoutSVGRect {rect} at (10,10) size 100x100 [fill={[type=LINEAR-GRADIENT] [id="gradient"]}] [x=10.00] [y=10.00] [width=100.00] [height=100.00]
         [filter="filter_1"] LayoutSVGResourceFilter {filter} at (-40,-40) size 200x200
-      LayoutSVGRect {rect} at (160,10) size 100x100 [fill={[type=LINEAR-GRADIENT] [id="gradient"]}] [x=160.00] [y=10.00] [width=50.00] [height=50.00]
+      LayoutSVGRect {rect} at (160,10) size 50x50 [fill={[type=LINEAR-GRADIENT] [id="gradient"]}] [x=160.00] [y=10.00] [width=50.00] [height=50.00]
         [filter="filter_2"] LayoutSVGResourceFilter {filter} at (160,10) size 100x100
-      LayoutSVGRect {rect} at (319,9) size 101x101 [fill={[type=LINEAR-GRADIENT] [id="gradient"]}] [x=332.00] [y=22.00] [width=50.00] [height=50.00]
+      LayoutSVGRect {rect} at (332,22) size 50x50 [fill={[type=LINEAR-GRADIENT] [id="gradient"]}] [x=332.00] [y=22.00] [width=50.00] [height=50.00]
         [filter="filter_3"] LayoutSVGResourceFilter {filter} at (319.50,9.50) size 100x100