Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/svg/filters/feImage-subregions-preseveAspectRatio-none-with-viewBox-expected.txt

Index: third_party/WebKit/LayoutTests/svg/filters/feImage-subregions-preseveAspectRatio-none-with-viewBox-expected.txt
diff --git a/third_party/WebKit/LayoutTests/svg/filters/feImage-subregions-preseveAspectRatio-none-with-viewBox-expected.txt b/third_party/WebKit/LayoutTests/svg/filters/feImage-subregions-preseveAspectRatio-none-with-viewBox-expected.txt
index caf938f4f225dc9026789257c4ffe6722acbe083..c40197474e32fc2afffee4419b0d20c9a4028d7e 100644
--- a/third_party/WebKit/LayoutTests/svg/filters/feImage-subregions-preseveAspectRatio-none-with-viewBox-expected.txt
+++ b/third_party/WebKit/LayoutTests/svg/filters/feImage-subregions-preseveAspectRatio-none-with-viewBox-expected.txt
@@ -1,9 +1,9 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 400x500
-  LayoutSVGRoot {svg} at (4,95) size 342x246
-    LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
-      LayoutSVGRect {rect} at (0,100) size 50x50 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
+  LayoutSVGRoot {svg} at (0,0) size 400x500
+    LayoutSVGHiddenContainer {defs} at (0,0) size 100x100
+      LayoutSVGRect {rect} at (0,0) size 100x100 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
       LayoutSVGResourceFilter {filter} [id="filter1"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
         [feImage image-size="100x100"]
       LayoutSVGResourceFilter {filter} [id="filter2"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
@@ -12,19 +12,19 @@ layer at (0,0) size 400x500
         [feImage image-size="100x100"]
       LayoutSVGResourceFilter {filter} [id="filter4"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
         [feImage image-size="100x100"]
-    LayoutSVGContainer {g} at (5,95) size 240x245 [transform={m=((1.00,0.00)(0.00,1.00)) t=(50.00,10.00)}]
-      LayoutSVGRect {rect} at (5,95) size 240x120 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=400.00] [height=200.00]
+    LayoutSVGContainer {g} at (0,0) size 400x450 [transform={m=((1.00,0.00)(0.00,1.00)) t=(50.00,10.00)}]
+      LayoutSVGRect {rect} at (0,0) size 400x200 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=400.00] [height=200.00]
         [filter="filter1"] LayoutSVGResourceFilter {filter} at (-40,-20) size 480x240
-      LayoutSVGContainer {g} at (5,220) size 240x120 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,250.00)}]
-        LayoutSVGRect {rect} at (5,220) size 240x120 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=400.00] [height=200.00]
+      LayoutSVGContainer {g} at (0,0) size 400x200 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,250.00)}]
+        LayoutSVGRect {rect} at (0,0) size 400x200 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=400.00] [height=200.00]
           [filter="filter2"] LayoutSVGResourceFilter {filter} at (-40,-20) size 480x240
-    LayoutSVGContainer {g} at (105,95) size 240x245 [transform={m=((1.00,0.00)(0.00,1.00)) t=(250.00,10.00)}]
-      LayoutSVGRect {rect} at (105,95) size 240x120 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=400.00] [height=200.00]
+    LayoutSVGContainer {g} at (0,0) size 400x450 [transform={m=((1.00,0.00)(0.00,1.00)) t=(250.00,10.00)}]
+      LayoutSVGRect {rect} at (0,0) size 400x200 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=400.00] [height=200.00]
         [filter="filter3"] LayoutSVGResourceFilter {filter} at (-40,-20) size 480x240
-      LayoutSVGContainer {g} at (105,220) size 240x120 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,250.00)}]
-        LayoutSVGRect {rect} at (105,220) size 240x120 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=400.00] [height=200.00]
+      LayoutSVGContainer {g} at (0,0) size 400x200 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,250.00)}]
+        LayoutSVGRect {rect} at (0,0) size 400x200 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=400.00] [height=200.00]
           [filter="filter4"] LayoutSVGResourceFilter {filter} at (-40,-20) size 480x240
-    LayoutSVGRect {rect} at (24,104) size 52x52 [stroke={[type=SOLID] [color=#FF0000]}] [x=50.00] [y=10.00] [width=100.00] [height=100.00]
-    LayoutSVGRect {rect} at (4,219) size 52x52 [stroke={[type=SOLID] [color=#FF0000]}] [x=10.00] [y=240.00] [width=100.00] [height=100.00]
-    LayoutSVGRect {rect} at (124,104) size 222x112 [stroke={[type=SOLID] [color=#FF0000]}] [x=250.00] [y=10.00] [width=440.00] [height=220.00]
-    LayoutSVGRect {rect} at (104,219) size 242x122 [stroke={[type=SOLID] [color=#FF0000]}] [x=210.00] [y=240.00] [width=480.00] [height=240.00]
+    LayoutSVGRect {rect} at (50,10) size 100x100 [stroke={[type=SOLID] [color=#FF0000]}] [x=50.00] [y=10.00] [width=100.00] [height=100.00]
+    LayoutSVGRect {rect} at (10,240) size 100x100 [stroke={[type=SOLID] [color=#FF0000]}] [x=10.00] [y=240.00] [width=100.00] [height=100.00]
+    LayoutSVGRect {rect} at (250,10) size 440x220 [stroke={[type=SOLID] [color=#FF0000]}] [x=250.00] [y=10.00] [width=440.00] [height=220.00]
+    LayoutSVGRect {rect} at (210,240) size 480x240 [stroke={[type=SOLID] [color=#FF0000]}] [x=210.00] [y=240.00] [width=480.00] [height=240.00]