Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/linux/svg/custom/use-referencing-nonexisting-symbol-expected.txt

Index: third_party/WebKit/LayoutTests/platform/linux/svg/custom/use-referencing-nonexisting-symbol-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/svg/custom/use-referencing-nonexisting-symbol-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/svg/custom/use-referencing-nonexisting-symbol-expected.txt
index 654beee4dd20e4c0c240e4e8739d987120937c82..08851e0e39c1d4b54e8943cd553b4396d21d4fe6 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/svg/custom/use-referencing-nonexisting-symbol-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/svg/custom/use-referencing-nonexisting-symbol-expected.txt
@@ -1,20 +1,20 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (146,24) size 554x576
-    LayoutSVGHiddenContainer {symbol} at (0,0) size 0x0
+  LayoutSVGRoot {svg} at (0,0) size 800x600
+    LayoutSVGHiddenContainer {symbol} at (5,2) size 59x68
       LayoutSVGRect {rect} at (5,5) size 59x59 [fill={[type=SOLID] [color=#0000FF]}] [x=5.00] [y=5.00] [width=59.00] [height=59.00]
       LayoutSVGText {text} at (16,2) size 43x68 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 43x68
+        LayoutSVGInlineText {#text} at (16,2) size 43x68
           chunk 1 text run 1 at (17.00,56.00) startOffset 0 endOffset 1 width 42.00: "A"
-    LayoutSVGHiddenContainer {symbol} at (0,0) size 0x0
+    LayoutSVGHiddenContainer {symbol} at (5,2) size 59x68
       LayoutSVGRect {rect} at (5,5) size 59x59 [fill={[type=SOLID] [color=#FF00FF]}] [x=5.00] [y=5.00] [width=59.00] [height=59.00]
       LayoutSVGText {text} at (17,2) size 39x68 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 39x68
+        LayoutSVGInlineText {#text} at (17,2) size 39x68
           chunk 1 text run 1 at (17.00,56.00) startOffset 0 endOffset 1 width 39.00: "B"
-    LayoutSVGContainer {use} at (146,24) size 554x576
-      LayoutSVGViewportContainer {svg} at (146,24) size 554x576
-        LayoutSVGRect {rect} at (146,46) size 554x554 [fill={[type=SOLID] [color=#0000FF]}] [x=5.00] [y=5.00] [width=59.00] [height=59.00]
-        LayoutSVGText {text} at (17,2) size 44x68 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 44x67
+    LayoutSVGContainer {use} at (146.88,24.02) size 553.13x623
+      LayoutSVGViewportContainer {svg} at (5,2.56) size 59x66.45
+        LayoutSVGRect {rect} at (5,5) size 59x59 [fill={[type=SOLID] [color=#0000FF]}] [x=5.00] [y=5.00] [width=59.00] [height=59.00]
+        LayoutSVGText {text} at (17,2.56) size 43.30x66.45 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (17,2.56) size 43.30x66.45
             chunk 1 text run 1 at (17.00,56.00) startOffset 0 endOffset 1 width 43.31: "A"