Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/filters-gauss-01-b-expected.txt

Index: third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/filters-gauss-01-b-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/filters-gauss-01-b-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/filters-gauss-01-b-expected.txt
index a706b5c1e751193baede70c63c84dc40731395b5..1a41d37070e77ff89ddb7a279804c12d8f01f229 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/filters-gauss-01-b-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/filters-gauss-01-b-expected.txt
@@ -2,14 +2,14 @@ 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 (0,0) size 459x349
-      LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
+    LayoutSVGContainer {g} at (0,0) size 458.50x348.50
+      LayoutSVGHiddenContainer {defs} at (-13.50,-13.50) size 162x162
         LayoutSVGContainer {g} at (0,0) size 135x135
           LayoutSVGRect {rect} at (0,0) size 90x90 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=90.00] [height=90.00]
           LayoutSVGRect {rect} at (45,45) size 90x90 [fill={[type=SOLID] [color=#FFFF00]}] [x=45.00] [y=45.00] [width=90.00] [height=90.00]
-        LayoutSVGContainer {g} at (0,0) size 149x149
-          LayoutSVGRect {rect} at (0,0) size 136x136 [stroke={[type=SOLID] [color=#0000FF] [stroke width=0.50]}] [x=0.00] [y=0.00] [width=135.00] [height=135.00]
-          LayoutSVGRect {rect} at (0,0) size 149x149 [stroke={[type=SOLID] [color=#0000FF] [stroke width=0.50]}] [x=-13.50] [y=-13.50] [width=162.00] [height=162.00]
+        LayoutSVGContainer {g} at (-13.50,-13.50) size 162x162
+          LayoutSVGRect {rect} at (0,0) size 135x135 [stroke={[type=SOLID] [color=#0000FF] [stroke width=0.50]}] [x=0.00] [y=0.00] [width=135.00] [height=135.00]
+          LayoutSVGRect {rect} at (-13.50,-13.50) size 162x162 [stroke={[type=SOLID] [color=#0000FF] [stroke width=0.50]}] [x=-13.50] [y=-13.50] [width=162.00] [height=162.00]
         LayoutSVGResourceFilter {filter} [id="blur"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
           [feGaussianBlur stdDeviation="10.00, 10.00"]
             [SourceGraphic]
@@ -20,27 +20,27 @@ layer at (0,0) size 480x360
         LayoutSVGContainer {g} at (0,0) size 135x135
           LayoutSVGRect {rect} at (0,0) size 90x90 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=90.00] [height=90.00]
           LayoutSVGRect {rect} at (45,45) size 90x90 [fill={[type=SOLID] [color=#FFFF00]}] [x=45.00] [y=45.00] [width=90.00] [height=90.00]
-      LayoutSVGContainer {g} at (296,1) size 163x163 [transform={m=((1.00,0.00)(0.00,1.00)) t=(310.00,15.00)}]
-        LayoutSVGContainer {use} at (296,1) size 163x163
+      LayoutSVGContainer {g} at (-13.50,-13.50) size 162x162 [transform={m=((1.00,0.00)(0.00,1.00)) t=(310.00,15.00)}]
+        LayoutSVGContainer {use} at (0,0) size 135x135
           [filter="blur"] LayoutSVGResourceFilter {filter} at (-13.50,-13.50) size 162x162
-          LayoutSVGContainer {g} at (310,15) size 135x135
-            LayoutSVGRect {rect} at (310,15) size 90x90 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=90.00] [height=90.00]
-            LayoutSVGRect {rect} at (355,60) size 90x90 [fill={[type=SOLID] [color=#FFFF00]}] [x=45.00] [y=45.00] [width=90.00] [height=90.00]
-        LayoutSVGContainer {use} at (296,1) size 163x163
-          LayoutSVGContainer {g} at (296,1) size 163x163
-            LayoutSVGRect {rect} at (309,14) size 137x137 [stroke={[type=SOLID] [color=#0000FF] [stroke width=0.50]}] [x=0.00] [y=0.00] [width=135.00] [height=135.00]
-            LayoutSVGRect {rect} at (296,1) size 163x163 [stroke={[type=SOLID] [color=#0000FF] [stroke width=0.50]}] [x=-13.50] [y=-13.50] [width=162.00] [height=162.00]
-      LayoutSVGContainer {g} at (296,186) size 163x163 [transform={m=((1.00,0.00)(0.00,1.00)) t=(310.00,200.00)}]
-        LayoutSVGContainer {use} at (296,186) size 163x163
+          LayoutSVGContainer {g} at (0,0) size 135x135
+            LayoutSVGRect {rect} at (0,0) size 90x90 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=90.00] [height=90.00]
+            LayoutSVGRect {rect} at (45,45) size 90x90 [fill={[type=SOLID] [color=#FFFF00]}] [x=45.00] [y=45.00] [width=90.00] [height=90.00]
+        LayoutSVGContainer {use} at (-13.50,-13.50) size 162x162
+          LayoutSVGContainer {g} at (-13.50,-13.50) size 162x162
+            LayoutSVGRect {rect} at (0,0) size 135x135 [stroke={[type=SOLID] [color=#0000FF] [stroke width=0.50]}] [x=0.00] [y=0.00] [width=135.00] [height=135.00]
+            LayoutSVGRect {rect} at (-13.50,-13.50) size 162x162 [stroke={[type=SOLID] [color=#0000FF] [stroke width=0.50]}] [x=-13.50] [y=-13.50] [width=162.00] [height=162.00]
+      LayoutSVGContainer {g} at (-13.50,-13.50) size 162x162 [transform={m=((1.00,0.00)(0.00,1.00)) t=(310.00,200.00)}]
+        LayoutSVGContainer {use} at (0,0) size 135x135
           [filter="blurxy"] LayoutSVGResourceFilter {filter} at (-13.50,-13.50) size 162x162
-          LayoutSVGContainer {g} at (310,200) size 135x135
-            LayoutSVGRect {rect} at (310,200) size 90x90 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=90.00] [height=90.00]
-            LayoutSVGRect {rect} at (355,245) size 90x90 [fill={[type=SOLID] [color=#FFFF00]}] [x=45.00] [y=45.00] [width=90.00] [height=90.00]
-        LayoutSVGContainer {use} at (296,186) size 163x163
-          LayoutSVGContainer {g} at (296,186) size 163x163
-            LayoutSVGRect {rect} at (309,199) size 137x137 [stroke={[type=SOLID] [color=#0000FF] [stroke width=0.50]}] [x=0.00] [y=0.00] [width=135.00] [height=135.00]
-            LayoutSVGRect {rect} at (296,186) size 163x163 [stroke={[type=SOLID] [color=#0000FF] [stroke width=0.50]}] [x=-13.50] [y=-13.50] [width=162.00] [height=162.00]
+          LayoutSVGContainer {g} at (0,0) size 135x135
+            LayoutSVGRect {rect} at (0,0) size 90x90 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=90.00] [height=90.00]
+            LayoutSVGRect {rect} at (45,45) size 90x90 [fill={[type=SOLID] [color=#FFFF00]}] [x=45.00] [y=45.00] [width=90.00] [height=90.00]
+        LayoutSVGContainer {use} at (-13.50,-13.50) size 162x162
+          LayoutSVGContainer {g} at (-13.50,-13.50) size 162x162
+            LayoutSVGRect {rect} at (0,0) size 135x135 [stroke={[type=SOLID] [color=#0000FF] [stroke width=0.50]}] [x=0.00] [y=0.00] [width=135.00] [height=135.00]
+            LayoutSVGRect {rect} at (-13.50,-13.50) size 162x162 [stroke={[type=SOLID] [color=#0000FF] [stroke width=0.50]}] [x=-13.50] [y=-13.50] [width=162.00] [height=162.00]
     LayoutSVGText {text} at (10,304) size 261x46 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 261x46
+      LayoutSVGInlineText {#text} at (10,304) size 261x46
         chunk 1 text run 1 at (10.00,340.00) startOffset 0 endOffset 16 width 261.00: "$Revision: 1.6 $"
-    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]