Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/custom/pattern-rotate-gaps-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/custom/pattern-rotate-gaps-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/pattern-rotate-gaps-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/pattern-rotate-gaps-expected.txt
index 9d609d43563f3dd237d8a5ed175488e261a934bf..b6d5d86cd94ef6f2f242c601b8030fd2bace7675 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/pattern-rotate-gaps-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/pattern-rotate-gaps-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 306x333
+  LayoutSVGRoot {svg} at (0,0) size 800x600
     LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourcePattern {pattern} [id="squares"] [patternUnits=userSpaceOnUse] [patternContentUnits=userSpaceOnUse]
         LayoutSVGRect {rect} at (0,0) size 2x2 [fill={[type=SOLID] [color=#FFFFFF]}] [x=0.00] [y=0.00] [width=2.00] [height=2.00]
@@ -9,21 +9,21 @@ layer at (0,0) size 800x600
         LayoutSVGRect {rect} at (2,0) size 2x2 [fill={[type=SOLID] [color=#FFFFFF]}] [x=2.00] [y=0.00] [width=2.00] [height=2.00]
         LayoutSVGRect {rect} at (2,2) size 2x2 [fill={[type=SOLID] [color=#FFFFFF]}] [x=2.00] [y=2.00] [width=2.00] [height=2.00]
     LayoutSVGRect {rect} at (0,0) size 200x200 [fill={[type=SOLID] [color=#000000]}] [x=0.00] [y=0.00] [width=200.00] [height=200.00]
-    LayoutSVGContainer {g} at (37,20) size 134x133 [transform={m=((1.00,0.00)(0.00,1.00)) t=(80.00,20.00)}]
-      LayoutSVGRect {rect} at (37,20) size 134x133 [transform={m=((0.91,0.42)(-0.42,0.91)) t=(0.00,0.00)}] [fill={[type=PATTERN] [id="squares"]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
-    LayoutSVGContainer {g} at (10,289) size 296x44 [transform={m=((1.00,0.00)(0.00,1.00)) t=(10.00,300.00)}]
-      LayoutSVGText {text} at (0,-11) size 296x44 contains 1 chunk(s)
+    LayoutSVGContainer {g} at (-42.26,0) size 132.89x132.89 [transform={m=((1.00,0.00)(0.00,1.00)) t=(80.00,20.00)}]
+      LayoutSVGRect {rect} at (0,0) size 100x100 [transform={m=((0.91,0.42)(-0.42,0.91)) t=(0.00,0.00)}] [fill={[type=PATTERN] [id="squares"]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
+    LayoutSVGContainer {g} at (0,-11) size 295.23x44 [transform={m=((1.00,0.00)(0.00,1.00)) t=(10.00,300.00)}]
+      LayoutSVGText {text} at (0,-11) size 295.23x44 contains 1 chunk(s)
         LayoutSVGTSpan {tspan} at (0,0) size 289x14
-          LayoutSVGInlineText {#text} at (0,0) size 289x14
+          LayoutSVGInlineText {#text} at (0,-11) size 288.05x14
             chunk 1 text run 1 at (0.00,0.00) startOffset 0 endOffset 40 width 288.05: "For this test case to be successful, the"
-        LayoutSVGInlineText {#text} at (288,0) size 8x14
+        LayoutSVGInlineText {#text} at (288.05,-11) size 7.19x14
           chunk 1 text run 1 at (288.05,0.00) startOffset 0 endOffset 1 width 7.20: " "
         LayoutSVGTSpan {tspan} at (0,0) size 260x14
-          LayoutSVGInlineText {#text} at (0,15) size 260x14
+          LayoutSVGInlineText {#text} at (0,4) size 259.23x14
             chunk 1 text run 1 at (0.00,15.00) startOffset 0 endOffset 36 width 259.24: "rotated square inside the black area"
-        LayoutSVGInlineText {#text} at (259,15) size 8x14
+        LayoutSVGInlineText {#text} at (259.23,4) size 7.19x14
           chunk 1 text run 1 at (259.24,15.00) startOffset 0 endOffset 1 width 7.20: " "
         LayoutSVGTSpan {tspan} at (0,0) size 152x14
-          LayoutSVGInlineText {#text} at (0,30) size 152x14
+          LayoutSVGInlineText {#text} at (0,19) size 151.22x14
             chunk 1 text run 1 at (0.00,30.00) startOffset 0 endOffset 21 width 151.22: "should be pure white."
         LayoutSVGInlineText {#text} at (0,0) size 0x0