Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/svg/filter-repaint-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/svg/filter-repaint-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/svg/filter-repaint-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/svg/filter-repaint-expected.txt
index d4bbc9ef8704aa1dd9c582477b9b9a6e2a4bef1e..52d41c0f9b6ecd109b880a1e56ac7b275966b1e2 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/svg/filter-repaint-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/svg/filter-repaint-expected.txt
@@ -1,7 +1,7 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 400x400
-  LayoutSVGRoot {svg} at (10,10) size 185x184
+  LayoutSVGRoot {svg} at (0,0) size 400x400
     LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourceFilter {filter} [id="over"] [filterUnits=objectBoundingBox] [primitiveUnits=objectBoundingBox]
         [feComposite operation="OVER"]
@@ -29,31 +29,31 @@ layer at (0,0) size 400x400
           [feFlood flood-color="#FF0000" flood-opacity="0.20"]
     LayoutSVGRect {rect} at (10,10) size 50x50 [fill={[type=SOLID] [color=#000000]}] [x=10.00] [y=10.00] [width=50.00] [height=50.00]
       [filter="over"] LayoutSVGResourceFilter {filter} at (10,10) size 50x50
-    LayoutSVGText {text} at (10,76) size 29x18 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 29x18
+    LayoutSVGText {text} at (10,76) size 28.48x18 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,76) size 28.48x18
         chunk 1 text run 1 at (10.00,90.00) startOffset 0 endOffset 4 width 28.43: "over"
     LayoutSVGRect {rect} at (70,10) size 50x50 [fill={[type=SOLID] [color=#000000]}] [x=70.00] [y=10.00] [width=50.00] [height=50.00]
       [filter="in"] LayoutSVGResourceFilter {filter} at (70,10) size 50x50
-    LayoutSVGText {text} at (70,76) size 13x18 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 13x18
+    LayoutSVGText {text} at (70,76) size 12.44x18 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (70,76) size 12.44x18
         chunk 1 text run 1 at (70.00,90.00) startOffset 0 endOffset 2 width 12.45: "in"
     LayoutSVGRect {rect} at (130,10) size 50x50 [fill={[type=SOLID] [color=#000000]}] [x=130.00] [y=10.00] [width=50.00] [height=50.00]
       [filter="out"] LayoutSVGResourceFilter {filter} at (130,10) size 50x50
-    LayoutSVGText {text} at (130,76) size 21x18 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 21x18
+    LayoutSVGText {text} at (130,76) size 20.45x18 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (130,76) size 20.45x18
         chunk 1 text run 1 at (130.00,90.00) startOffset 0 endOffset 3 width 20.45: "out"
     LayoutSVGRect {rect} at (10,110) size 50x50 [fill={[type=SOLID] [color=#000000]}] [x=10.00] [y=110.00] [width=50.00] [height=50.00]
       [filter="atop"] LayoutSVGResourceFilter {filter} at (10,110) size 50x50
-    LayoutSVGText {text} at (10,176) size 28x18 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 28x18
+    LayoutSVGText {text} at (10,176) size 27.55x18 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,176) size 27.55x18
         chunk 1 text run 1 at (10.00,190.00) startOffset 0 endOffset 4 width 27.55: "atop"
     LayoutSVGRect {rect} at (70,110) size 50x50 [fill={[type=SOLID] [color=#000000]}] [x=70.00] [y=110.00] [width=50.00] [height=50.00]
       [filter="xor"] LayoutSVGResourceFilter {filter} at (70,110) size 50x50
-    LayoutSVGText {text} at (70,176) size 22x18 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 22x18
+    LayoutSVGText {text} at (70,176) size 21.38x18 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (70,176) size 21.38x18
         chunk 1 text run 1 at (70.00,190.00) startOffset 0 endOffset 3 width 21.33: "xor"
     LayoutSVGRect {rect} at (130,110) size 50x50 [fill={[type=SOLID] [color=#000000]}] [x=130.00] [y=110.00] [width=50.00] [height=50.00]
       [filter="arithmetic"] LayoutSVGResourceFilter {filter} at (130,110) size 50x50
-    LayoutSVGText {text} at (130,176) size 65x18 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 65x18
+    LayoutSVGText {text} at (130,176) size 64.86x18 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (130,176) size 64.86x18
         chunk 1 text run 1 at (130.00,190.00) startOffset 0 endOffset 10 width 64.86: "arithmetic"