Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/masking-path-04-b-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/masking-path-04-b-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/masking-path-04-b-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/masking-path-04-b-expected.txt
index 9ab509602f97b46576356078fd3c741901728908..1b37f98b66c119413c001501f3f2fc92350f32fc 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/masking-path-04-b-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/masking-path-04-b-expected.txt
@@ -2,21 +2,21 @@ 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 (30,20) size 410x271
+    LayoutSVGContainer {g} at (20,20) size 420x310
       LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
         LayoutSVGResourceClipper {clipPath} [id="sample"] [clipPathUnits=userSpaceOnUse]
-          LayoutSVGText {text} at (45,169) size 355x122 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 355x122
+          LayoutSVGText {text} at (45,169) size 354.44x122 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (45,169) size 354.44x122
               chunk 1 text run 1 at (45.00,270.00) startOffset 0 endOffset 9 width 354.44: "Clip Test"
       LayoutSVGContainer {g} at (30,20) size 410x140
         LayoutSVGImage {image} at (30,20) size 410x140
-        LayoutSVGText {text} at (55,29) size 355x122 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 355x122
+        LayoutSVGText {text} at (55,29) size 354.44x122 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (55,29) size 354.44x122
             chunk 1 text run 1 at (55.00,130.00) startOffset 0 endOffset 9 width 354.44: "Clip Test"
-      LayoutSVGContainer {g} at (45,170) size 355x121
-        LayoutSVGImage {image} at (45,170) size 355x121
+      LayoutSVGContainer {g} at (20,170) size 410x160
+        LayoutSVGImage {image} at (20,170) size 410x160
           [clipPath="sample"] LayoutSVGResourceClipper {clipPath} at (45,169) size 354.44x122
-    LayoutSVGText {text} at (10,304) size 264x46 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 264x46
+    LayoutSVGText {text} at (10,304) size 263.33x46 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,304) size 263.33x46
         chunk 1 text run 1 at (10.00,340.00) startOffset 0 endOffset 16 width 263.34: "$Revision: 1.8 $"
-    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]