Change SVG layout tree output to be more meaningful and consistent

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

Index: third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/pservers-grad-04-b-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/pservers-grad-04-b-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/pservers-grad-04-b-expected.txt
index 146d20706b37ccdd4efb87da155e0222ef9a221c..74c5f4286c8565d26401a7ccb6b1f7db2954c481 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/pservers-grad-04-b-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/pservers-grad-04-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
       LayoutSVGResourceLinearGradient {linearGradient} [id="Grad1"] [gradientUnits=objectBoundingBox] [start=(0,0)] [end=(1,1)]
         LayoutSVGGradientStop {stop} [offset=0.00] [color=#EE82EE]
         LayoutSVGGradientStop {stop} [offset=0.20] [color=#0000FF]
@@ -11,8 +11,8 @@ layer at (0,0) size 480x360
         LayoutSVGGradientStop {stop} [offset=0.80] [color=#FFA500]
         LayoutSVGGradientStop {stop} [offset=1.00] [color=#FF0000]
       LayoutSVGRect {rect} at (20,20) size 440x80 [fill={[type=LINEAR-GRADIENT] [id="Grad1"]}] [x=20.00] [y=20.00] [width=440.00] [height=80.00]
-      LayoutSVGText {text} at (20,103) size 346x34 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 346x34
+      LayoutSVGText {text} at (20,103) size 345.14x33.31 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (20,103) size 345.14x33.31
           chunk 1 text run 1 at (20.00,130.00) startOffset 0 endOffset 28 width 345.15: "Multi-color linear gradient."
       LayoutSVGResourceRadialGradient {radialGradient} [id="Grad2"] [gradientUnits=userSpaceOnUse] [center=(240,210)] [focal=(240,210)] [radius=220.00] [focalRadius=0.00]
         LayoutSVGGradientStop {stop} [offset=0.00] [color=#000000]
@@ -22,10 +22,10 @@ layer at (0,0) size 480x360
         LayoutSVGGradientStop {stop} [offset=0.80] [color=#FFFFFF]
         LayoutSVGGradientStop {stop} [offset=1.00] [color=#008000]
       LayoutSVGRect {rect} at (20,150) size 440x80 [fill={[type=RADIAL-GRADIENT] [id="Grad2"]}] [x=20.00] [y=150.00] [width=440.00] [height=80.00]
-      LayoutSVGText {text} at (20,233) size 346x34 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 346x34
+      LayoutSVGText {text} at (20,233) size 345.14x33.31 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (20,233) size 345.14x33.31
           chunk 1 text run 1 at (20.00,260.00) startOffset 0 endOffset 28 width 345.15: "Multi-color radial gradient."
-    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: 1.7 $"
-    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]