Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/linux/svg/custom/recursive-mask-expected.txt

Index: third_party/WebKit/LayoutTests/platform/linux/svg/custom/recursive-mask-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/svg/custom/recursive-mask-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/svg/custom/recursive-mask-expected.txt
index 6531df5527643f5c91484e69d6148127c12c3fd8..284b605d7561df3b9dccf1978fa5a0dd7860896e 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/svg/custom/recursive-mask-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/svg/custom/recursive-mask-expected.txt
@@ -1,17 +1,17 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (0,0) size 350x204
-    LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
+  LayoutSVGRoot {svg} at (0,0) size 800x600
+    LayoutSVGHiddenContainer {defs} at (0,100) size 50x50
       LayoutSVGResourceMasker {mask} [id="mask1"] [maskUnits=objectBoundingBox] [maskContentUnits=userSpaceOnUse]
         LayoutSVGRect {rect} at (0,0) size 50x50 [fill={[type=SOLID] [color=#FFFFFF]}] [x=0.00] [y=0.00] [width=50.00] [height=50.00]
       LayoutSVGResourceMasker {mask} [id="mask2"] [maskUnits=objectBoundingBox] [maskContentUnits=userSpaceOnUse]
         LayoutSVGRect {rect} at (100,0) size 50x50 [fill={[type=SOLID] [color=#FFFFFF]}] [x=100.00] [y=0.00] [width=50.00] [height=50.00]
           [masker="mask2"] LayoutSVGResourceMasker {mask} at (100,0) size 50x50
       LayoutSVGResourceMasker {mask} [id="mask3"] [maskUnits=objectBoundingBox] [maskContentUnits=userSpaceOnUse]
-        LayoutSVGRect {rect} at (0,0) size 0x0 [fill={[type=SOLID] [color=#FFFFFF]}] [x=0.00] [y=100.00] [width=50.00] [height=50.00]
+        LayoutSVGRect {rect} at (0,100) size 50x50 [fill={[type=SOLID] [color=#FFFFFF]}] [x=0.00] [y=100.00] [width=50.00] [height=50.00]
           [masker="mask1"] LayoutSVGResourceMasker {mask} at (0,0) size 0x0
-        LayoutSVGRect {rect} at (0,0) size 0x0 [fill={[type=SOLID] [color=#FFFFFF]}] [x=100.00] [y=100.00] [width=50.00] [height=50.00]
+        LayoutSVGRect {rect} at (100,100) size 50x50 [fill={[type=SOLID] [color=#FFFFFF]}] [x=100.00] [y=100.00] [width=50.00] [height=50.00]
           [masker="mask2"] LayoutSVGResourceMasker {mask} at (0,0) size 0x0
       LayoutSVGRect {rect} at (0,100) size 50x50 [fill={[type=SOLID] [color=#FFFFFF]}] [x=0.00] [y=100.00] [width=50.00] [height=50.00]
         [masker="mask4"] LayoutSVGResourceMasker {mask} at (0,100) size 50x50
@@ -19,19 +19,19 @@ layer at (0,0) size 800x600
         LayoutSVGContainer {use} at (0,100) size 50x50
           LayoutSVGRect {rect} at (0,100) size 50x50 [fill={[type=SOLID] [color=#FFFFFF]}] [x=0.00] [y=100.00] [width=50.00] [height=50.00]
             [masker="mask4"] LayoutSVGResourceMasker {mask} at (0,100) size 50x50
-    LayoutSVGRect {rect} at (0,0) size 50x50 [fill={[type=SOLID] [color=#0000FF]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
+    LayoutSVGRect {rect} at (0,0) size 100x100 [fill={[type=SOLID] [color=#0000FF]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
       [masker="mask1"] LayoutSVGResourceMasker {mask} at (0,0) size 50x50
-    LayoutSVGRect {rect} at (100,0) size 50x50 [fill={[type=SOLID] [color=#0000FF]}] [x=100.00] [y=0.00] [width=100.00] [height=100.00]
+    LayoutSVGRect {rect} at (100,0) size 100x100 [fill={[type=SOLID] [color=#0000FF]}] [x=100.00] [y=0.00] [width=100.00] [height=100.00]
       [masker="mask2"] LayoutSVGResourceMasker {mask} at (100,0) size 50x50
-    LayoutSVGRect {rect} at (0,0) size 0x0 [fill={[type=SOLID] [color=#0000FF]}] [x=100.00] [y=100.00] [width=100.00] [height=100.00]
+    LayoutSVGRect {rect} at (100,100) size 100x100 [fill={[type=SOLID] [color=#0000FF]}] [x=100.00] [y=100.00] [width=100.00] [height=100.00]
       [masker="mask3"] LayoutSVGResourceMasker {mask} at (0,0) size 0x0
-    LayoutSVGRect {rect} at (0,100) size 50x50 [fill={[type=SOLID] [color=#0000FF]}] [x=0.00] [y=100.00] [width=100.00] [height=100.00]
+    LayoutSVGRect {rect} at (0,100) size 100x100 [fill={[type=SOLID] [color=#0000FF]}] [x=0.00] [y=100.00] [width=100.00] [height=100.00]
       [masker="mask4"] LayoutSVGResourceMasker {mask} at (0,100) size 50x50
-    LayoutSVGPath {line} at (174,0) size 2x150 [stroke={[type=SOLID] [color=#FF0000]}] [fill={[type=SOLID] [color=#000000]}] [x1=175.00] [y1=0.00] [x2=175.00] [y2=150.00]
+    LayoutSVGPath {line} at (175,0) size 0x150 [stroke={[type=SOLID] [color=#FF0000]}] [fill={[type=SOLID] [color=#000000]}] [x1=175.00] [y1=0.00] [x2=175.00] [y2=150.00]
     LayoutSVGText {text} at (37,185) size 276x19 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 276x19
+      LayoutSVGInlineText {#text} at (37,185) size 276x19
         chunk 1 (middle anchor) text run 1 at (37.00,200.00) startOffset 0 endOffset 48 width 276.00: "Both sides of the red line should look identical"
-    LayoutSVGContainer {g} at (200,0) size 150x150 [transform={m=((1.00,0.00)(0.00,1.00)) t=(200.00,0.00)}]
-      LayoutSVGRect {rect} at (200,0) size 50x50 [fill={[type=SOLID] [color=#0000FF]}] [x=0.00] [y=0.00] [width=50.00] [height=50.00]
-      LayoutSVGRect {rect} at (300,0) size 50x50 [fill={[type=SOLID] [color=#0000FF]}] [x=100.00] [y=0.00] [width=50.00] [height=50.00]
-      LayoutSVGRect {rect} at (200,100) size 50x50 [fill={[type=SOLID] [color=#0000FF]}] [x=0.00] [y=100.00] [width=50.00] [height=50.00]
+    LayoutSVGContainer {g} at (0,0) size 150x150 [transform={m=((1.00,0.00)(0.00,1.00)) t=(200.00,0.00)}]
+      LayoutSVGRect {rect} at (0,0) size 50x50 [fill={[type=SOLID] [color=#0000FF]}] [x=0.00] [y=0.00] [width=50.00] [height=50.00]
+      LayoutSVGRect {rect} at (100,0) size 50x50 [fill={[type=SOLID] [color=#0000FF]}] [x=100.00] [y=0.00] [width=50.00] [height=50.00]
+      LayoutSVGRect {rect} at (0,100) size 50x50 [fill={[type=SOLID] [color=#0000FF]}] [x=0.00] [y=100.00] [width=50.00] [height=50.00]