Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/pservers-grad-03-b-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/pservers-grad-03-b-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/pservers-grad-03-b-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/pservers-grad-03-b-expected.txt
index 47e962e3b79492c48ca50be50b7d23980f4dbad7..df8ffcad3c9148cdbe5c754847cebd1b3862184c 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/pservers-grad-03-b-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/pservers-grad-03-b-expected.txt
@@ -2,7 +2,7 @@ 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 (20,20) size 440x247
+    LayoutSVGContainer {g} at (20,20) size 440x246.31
       LayoutSVGResourcePattern {pattern} [id="Pat3a"] [patternUnits=userSpaceOnUse] [patternContentUnits=userSpaceOnUse]
         LayoutSVGRect {rect} at (0,0) size 10x10 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=10.00] [height=10.00]
         LayoutSVGRect {rect} at (10,0) size 10x10 [fill={[type=SOLID] [color=#008000]}] [x=10.00] [y=0.00] [width=10.00] [height=10.00]
@@ -10,14 +10,14 @@ layer at (0,0) size 480x360
         LayoutSVGRect {rect} at (10,10) size 10x10 [fill={[type=SOLID] [color=#FFFF00]}] [x=10.00] [y=10.00] [width=10.00] [height=10.00]
       LayoutSVGResourcePattern {pattern} [id="Pat3b"] [patternUnits=userSpaceOnUse] [patternContentUnits=userSpaceOnUse]
       LayoutSVGRect {rect} at (20,20) size 440x80 [fill={[type=PATTERN] [id="Pat3a"]}] [x=20.00] [y=20.00] [width=440.00] [height=80.00]
-      LayoutSVGText {text} at (20,103) size 142x33 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 142x33
+      LayoutSVGText {text} at (20,103) size 141.72x33 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (20,103) size 141.72x33
           chunk 1 text run 1 at (20.00,130.00) startOffset 0 endOffset 13 width 141.72: "Pattern fill."
       LayoutSVGRect {rect} at (20,150) size 440x80 [fill={[type=PATTERN] [id="Pat3b"]}] [x=20.00] [y=150.00] [width=440.00] [height=80.00]
-      LayoutSVGText {text} at (20,233) size 394x34 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 394x34
+      LayoutSVGText {text} at (20,233) size 393.55x33.31 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (20,233) size 393.55x33.31
           chunk 1 text run 1 at (20.00,260.00) startOffset 0 endOffset 31 width 393.56: "Referencing pattern fill below."
-    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: 1.6 $"
-    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]