Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/custom/style-attribute-font-size-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/custom/style-attribute-font-size-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/style-attribute-font-size-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/style-attribute-font-size-expected.txt
index daa0e20b52498108e271c6ebfc5de29f1f72d3ad..9bbf936e4e7edf644371f4473d0ff258039c14c3 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/style-attribute-font-size-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/style-attribute-font-size-expected.txt
@@ -1,27 +1,27 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (0,0) size 349x173
+  LayoutSVGRoot {svg} at (0,0) size 800x600
     LayoutSVGRect {rect} at (0,0) size 100x100 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
     LayoutSVGRect {rect} at (0,0) size 100x100 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
     LayoutSVGText {text} at (150,10) size 20x13 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 20x13
+      LayoutSVGInlineText {#text} at (150,10) size 20x13
         chunk 1 text run 1 at (150.00,20.00) startOffset 0 endOffset 3 width 20.00: "SVG"
     LayoutSVGText {text} at (150,30) size 20x13 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 20x13
+      LayoutSVGInlineText {#text} at (150,30) size 20x13
         chunk 1 text run 1 at (150.00,40.00) startOffset 0 endOffset 3 width 20.00: "SVG"
-    LayoutSVGContainer {g} at (10,129) size 339x44 [transform={m=((1.00,0.00)(0.00,1.00)) t=(10.00,140.00)}]
-      LayoutSVGText {text} at (0,-11) size 339x44 contains 1 chunk(s)
+    LayoutSVGContainer {g} at (0,-11) size 338.45x44 [transform={m=((1.00,0.00)(0.00,1.00)) t=(10.00,140.00)}]
+      LayoutSVGText {text} at (0,-11) size 338.45x44 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 339x14
-          LayoutSVGInlineText {#text} at (0,15) size 339x14
+          LayoutSVGInlineText {#text} at (0,4) size 338.45x14
             chunk 1 text run 1 at (0.00,15.00) startOffset 0 endOffset 47 width 338.46: "rect should be green and the texts equal size. "
         LayoutSVGInlineText {#text} at (0,0) size 0x0
         LayoutSVGTSpan {tspan} at (0,0) size 65x14
-          LayoutSVGInlineText {#text} at (0,30) size 65x14
+          LayoutSVGInlineText {#text} at (0,19) size 64.80x14
             chunk 1 text run 1 at (0.00,30.00) startOffset 0 endOffset 9 width 64.81: "Bug 14926"
         LayoutSVGInlineText {#text} at (0,0) size 0x0