Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/svg/custom/nested-pattern-boundingBoxModeContent-expected.txt

Index: third_party/WebKit/LayoutTests/svg/custom/nested-pattern-boundingBoxModeContent-expected.txt
diff --git a/third_party/WebKit/LayoutTests/svg/custom/nested-pattern-boundingBoxModeContent-expected.txt b/third_party/WebKit/LayoutTests/svg/custom/nested-pattern-boundingBoxModeContent-expected.txt
index dd3f14f8dc63a2b3df7377b92500ed66960a2437..e33f6bcb485ea8f9f1fee417f3112fed717aa17a 100644
--- a/third_party/WebKit/LayoutTests/svg/custom/nested-pattern-boundingBoxModeContent-expected.txt
+++ b/third_party/WebKit/LayoutTests/svg/custom/nested-pattern-boundingBoxModeContent-expected.txt
@@ -1,23 +1,23 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (50,50) size 450x450
+  LayoutSVGRoot {svg} at (0,0) size 800x600
     LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourcePattern {pattern} [id="pattern1"] [patternUnits=objectBoundingBox] [patternContentUnits=objectBoundingBox]
         LayoutSVGRect {rect} at (0,0) size 1x1 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=1.00] [height=1.00]
-        LayoutSVGRect {rect} at (0,0) size 1x1 [fill={[type=PATTERN] [id="pattern1a"]}] [x=0.00] [y=0.00] [width=0.50] [height=0.50]
+        LayoutSVGRect {rect} at (0,0) size 0.50x0.50 [fill={[type=PATTERN] [id="pattern1a"]}] [x=0.00] [y=0.00] [width=0.50] [height=0.50]
       LayoutSVGResourcePattern {pattern} [id="pattern1a"] [patternUnits=objectBoundingBox] [patternContentUnits=objectBoundingBox]
         LayoutSVGRect {rect} at (0,0) size 1x1 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=1.00] [height=1.00]
-        LayoutSVGRect {rect} at (0,0) size 1x1 [fill={[type=SOLID] [color=#FFA500]}] [x=0.00] [y=0.00] [width=0.50] [height=0.50]
+        LayoutSVGRect {rect} at (0,0) size 0.50x0.50 [fill={[type=SOLID] [color=#FFA500]}] [x=0.00] [y=0.00] [width=0.50] [height=0.50]
       LayoutSVGResourcePattern {pattern} [id="pattern2"] [patternUnits=objectBoundingBox] [patternContentUnits=objectBoundingBox]
         LayoutSVGRect {rect} at (0,0) size 1x1 [fill={[type=SOLID] [color=#808080]}] [x=0.00] [y=0.00] [width=1.00] [height=1.00]
-        LayoutSVGRect {rect} at (0,0) size 1x1 [fill={[type=PATTERN] [id="pattern2a"]}] [x=0.00] [y=0.00] [width=0.50] [height=0.50]
+        LayoutSVGRect {rect} at (0,0) size 0.50x0.50 [fill={[type=PATTERN] [id="pattern2a"]}] [x=0.00] [y=0.00] [width=0.50] [height=0.50]
       LayoutSVGResourcePattern {pattern} [id="pattern2a"] [patternUnits=objectBoundingBox] [patternContentUnits=objectBoundingBox]
         LayoutSVGRect {rect} at (0,0) size 1x1 [fill={[type=SOLID] [color=#FFFF00]}] [x=0.00] [y=0.00] [width=1.00] [height=1.00]
-        LayoutSVGRect {rect} at (0,0) size 1x1 [fill={[type=PATTERN] [id="pattern3a"]}] [x=0.00] [y=0.00] [width=0.50] [height=0.50]
+        LayoutSVGRect {rect} at (0,0) size 0.50x0.50 [fill={[type=PATTERN] [id="pattern3a"]}] [x=0.00] [y=0.00] [width=0.50] [height=0.50]
       LayoutSVGResourcePattern {pattern} [id="pattern3a"] [patternUnits=objectBoundingBox] [patternContentUnits=objectBoundingBox]
-        LayoutSVGRect {rect} at (0,0) size 1x1 [fill={[type=PATTERN] [id="pattern1"]}] [x=0.00] [y=0.00] [width=0.50] [height=0.50]
-        LayoutSVGRect {rect} at (0,0) size 1x1 [fill={[type=PATTERN] [id="pattern1a"]}] [x=0.50] [y=0.50] [width=0.50] [height=0.50]
+        LayoutSVGRect {rect} at (0,0) size 0.50x0.50 [fill={[type=PATTERN] [id="pattern1"]}] [x=0.00] [y=0.00] [width=0.50] [height=0.50]
+        LayoutSVGRect {rect} at (0.50,0.50) size 0.50x0.50 [fill={[type=PATTERN] [id="pattern1a"]}] [x=0.50] [y=0.50] [width=0.50] [height=0.50]
     LayoutSVGRect {rect} at (50,50) size 200x200 [fill={[type=PATTERN] [id="pattern1"]}] [x=50.00] [y=50.00] [width=200.00] [height=200.00]
     LayoutSVGContainer {g} at (50,300) size 200x200
       LayoutSVGRect {rect} at (50,300) size 200x200 [fill={[type=SOLID] [color=#FF0000]}] [x=50.00] [y=300.00] [width=200.00] [height=200.00]
@@ -28,7 +28,7 @@ layer at (0,0) size 800x600
       LayoutSVGRect {rect} at (300,300) size 200x200 [fill={[type=SOLID] [color=#808080]}] [x=300.00] [y=300.00] [width=200.00] [height=200.00]
       LayoutSVGRect {rect} at (300,300) size 100x100 [fill={[type=SOLID] [color=#FFFF00]}] [x=300.00] [y=300.00] [width=100.00] [height=100.00]
       LayoutSVGRect {rect} at (300,300) size 25x25 [fill={[type=SOLID] [color=#FF0000]}] [x=300.00] [y=300.00] [width=25.00] [height=25.00]
-      LayoutSVGRect {rect} at (300,300) size 13x13 [fill={[type=SOLID] [color=#008000]}] [x=300.00] [y=300.00] [width=12.50] [height=12.50]
-      LayoutSVGRect {rect} at (300,300) size 7x7 [fill={[type=SOLID] [color=#FFA500]}] [x=300.00] [y=300.00] [width=6.25] [height=6.25]
+      LayoutSVGRect {rect} at (300,300) size 12.50x12.50 [fill={[type=SOLID] [color=#008000]}] [x=300.00] [y=300.00] [width=12.50] [height=12.50]
+      LayoutSVGRect {rect} at (300,300) size 6.25x6.25 [fill={[type=SOLID] [color=#FFA500]}] [x=300.00] [y=300.00] [width=6.25] [height=6.25]
       LayoutSVGRect {rect} at (325,325) size 25x25 [fill={[type=SOLID] [color=#008000]}] [x=325.00] [y=325.00] [width=25.00] [height=25.00]
-      LayoutSVGRect {rect} at (325,325) size 13x13 [fill={[type=SOLID] [color=#FFA500]}] [x=325.00] [y=325.00] [width=12.50] [height=12.50]
+      LayoutSVGRect {rect} at (325,325) size 12.50x12.50 [fill={[type=SOLID] [color=#FFA500]}] [x=325.00] [y=325.00] [width=12.50] [height=12.50]