Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/text-intro-04-t-expected.txt

 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
     LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
     LayoutSVGContainer {g} at (10,5) size 436x239
-      LayoutSVGText {text} at (10,5) size 131x18 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 131x18
+      LayoutSVGText {text} at (10,5) size 130.22x18 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (10,5) size 130.22x18
           chunk 1 text run 1 at (10.00,20.00) startOffset 0 endOffset 21 width 130.23: "Test horizontal text."
       LayoutSVGContainer {g} at (10,45) size 436x199
         LayoutSVGText {text} at (10,45) size 284x19 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 284x19
+          LayoutSVGInlineText {#text} at (10,45) size 284x19
             chunk 1 text run 1 at (10.00,60.00) startOffset 0 endOffset 42 width 284.00: "Polish: Mog\x{119} je\x{15B}\x{107} szk\x{142}o, i mi nie szkodzi."
-        LayoutSVGText {text} at (10,75) size 336x19 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 336x19
+        LayoutSVGText {text} at (10,75) size 335.69x19 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (10,75) size 335.69x19
             chunk 1 text run 1 at (10.00,90.00) startOffset 0 endOffset 47 width 335.70: "Russian: \x{42F} \x{43C}\x{43E}\x{433}\x{443} \x{435}\x{441}\x{442}\x{44C} \x{441}\x{442}\x{435}\x{43A}\x{43B}\x{43E}, \x{44D}\x{442}\x{43E} \x{43C}\x{43D}\x{435} \x{43D}\x{435} \x{432}\x{440}\x{435}\x{434}\x{438}\x{442}."
-        LayoutSVGText {text} at (10,107) size 385x17 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 385x17
+        LayoutSVGText {text} at (10,107) size 384.48x17 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (10,107) size 384.48x17
             chunk 1 text run 1 at (10.00,120.00) startOffset 0 endOffset 57 width 384.49: "Greek: \x{39C}\x{3C0}\x{3BF}\x{3C1}\x{3CE} \x{3BD}\x{3B1} \x{3C6}\x{3AC}\x{3C9} \x{3C3}\x{3C0}\x{3B1}\x{3C3}\x{3BC}\x{3AD}\x{3BD}\x{3B1} \x{3B3}\x{3C5}\x{3B1}\x{3BB}\x{3B9}\x{3AC} \x{3C7}\x{3C9}\x{3C1}\x{3AF}\x{3C2} \x{3BD}\x{3B1} \x{3C0}\x{3AC}\x{3B8}\x{3C9} \x{3C4}\x{3AF}\x{3C0}\x{3BF}\x{3C4}\x{3B1}."
-        LayoutSVGText {text} at (10,135) size 347x19 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 347x19
+        LayoutSVGText {text} at (10,135) size 346.81x19 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (10,135) size 346.81x19
             chunk 1 text run 1 at (10.00,150.00) startOffset 0 endOffset 6 width 37.81: "Text \""
             chunk 1 text run 1 at (47.81,150.00) startOffset 0 endOffset 36 width 213.00 RTL: "\x{5D0}\x{5E0}\x{5D9} \x{5D9}\x{5DB}\x{5D5}\x{5DC} \x{5DC}\x{5D0}\x{5DB}\x{5D5}\x{5DC} \x{5D6}\x{5DB}\x{5D5}\x{5DB}\x{5D9}\x{5EA} \x{5D5}\x{5D6}\x{5D4} \x{5DC}\x{5D0} \x{5DE}\x{5D6}\x{5D9}\x{5E7} \x{5DC}\x{5D9}"
             chunk 1 text run 1 at (260.81,150.00) startOffset 0 endOffset 14 width 95.00: "\" is in Hebrew"
-        LayoutSVGText {text} at (10,165) size 312x19 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 312x19
+        LayoutSVGText {text} at (10,165) size 311.05x19 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (10,165) size 311.05x19
             chunk 1 text run 1 at (10.00,180.00) startOffset 0 endOffset 9 width 60.06: "Yiddish: "
             chunk 1 text run 1 at (70.06,180.00) startOffset 0 endOffset 40 width 247.00 RTL: "\x{5D0}\x{5D9}\x{5DA} \x{5E7}\x{5E2}\x{5DF} \x{5E2}\x{5E1}\x{5DF} \x{5D2}\x{5DC}\x{5D0}\x{5B8}\x{5D6} \x{5D0}\x{5D5}\x{5DF} \x{5E2}\x{5E1} \x{5D8}\x{5D5}\x{5D8} \x{5DE}\x{5D9}\x{5E8} \x{5E0}\x{5D9}\x{5E9}\x{5D8} \x{5F0}\x{5F2}"
             chunk 1 text run 1 at (317.06,180.00) startOffset 0 endOffset 1 width 4.00: "."
         LayoutSVGText {text} at (10,195) size 256x19 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 256x19
+          LayoutSVGInlineText {#text} at (10,195) size 256x19
             chunk 1 text run 1 at (10.00,210.00) startOffset 0 endOffset 20 width 256.00: "Chinese:\x{6211}\x{80FD}\x{541E}\x{4E0B}\x{73BB}\x{7483}\x{800C}\x{4E0D}\x{4F24}\x{8EAB}\x{4F53}\x{3002}"
         LayoutSVGText {text} at (10,227) size 436x17 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 436x17
+          LayoutSVGInlineText {#text} at (10,227) size 436x17
             chunk 1 text run 1 at (10.00,240.00) startOffset 0 endOffset 35 width 436.00: "Japanese: \x{79C1}\x{306F}\x{30AC}\x{30E9}\x{30B9}\x{3092}\x{98DF}\x{3079}\x{3089}\x{308C}\x{307E}\x{3059}\x{3002}\x{305D}\x{308C}\x{306F}\x{79C1}\x{3092}\x{50B7}\x{3064}\x{3051}\x{307E}\x{305B}\x{3093}\x{3002}"
     LayoutSVGText {text} at (10,304) size 281x46 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 281x46
+      LayoutSVGInlineText {#text} at (10,304) size 281x46
         chunk 1 text run 1 at (10.00,340.00) startOffset 0 endOffset 17 width 281.00: "$Revision: 1.10 $"
-    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]