Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/mac/svg/transforms/text-with-mask-with-svg-transform-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/svg/transforms/text-with-mask-with-svg-transform-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/transforms/text-with-mask-with-svg-transform-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/transforms/text-with-mask-with-svg-transform-expected.txt
index a01adbbb791bd277fa9f5c8d86e1ab1cb9107917..f4e5ae88aedddf945da9208badab156d4b366fdd 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/transforms/text-with-mask-with-svg-transform-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/svg/transforms/text-with-mask-with-svg-transform-expected.txt
@@ -1,55 +1,55 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (0,83) size 430x460
-    LayoutSVGContainer {g} at (0,83) size 430x460 [transform={m=((0.43,0.25)(-0.25,0.43)) t=(50.00,50.00)}]
+  LayoutSVGRoot {svg} at (0,0) size 800x600
+    LayoutSVGContainer {g} at (1,1) size 478x358 [transform={m=((0.43,0.25)(-0.25,0.43)) t=(50.00,50.00)}]
       LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
-      LayoutSVGText {text} at (10,6) size 134x17 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 134x16
+      LayoutSVGText {text} at (10,6.81) size 133.75x15.97 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (10,6.81) size 133.75x15.97
           chunk 1 text run 1 at (10.00,20.00) startOffset 0 endOffset 21 width 133.75: "Test for mask support"
-      LayoutSVGRect {rect} at (0,109) size 151x230 [fill={[type=SOLID] [color=#FF0000]}] [x=10.00] [y=30.00] [width=100.00] [height=260.00]
+      LayoutSVGRect {rect} at (10,30) size 100x260 [fill={[type=SOLID] [color=#FF0000]}] [x=10.00] [y=30.00] [width=100.00] [height=260.00]
       LayoutSVGResourceMasker {mask} [id="mask1"] [maskUnits=userSpaceOnUse] [maskContentUnits=userSpaceOnUse]
         LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
           LayoutSVGResourceLinearGradient {linearGradient} [id="Grad1"] [gradientUnits=userSpaceOnUse] [start=(60,50)] [end=(60,120)]
             LayoutSVGGradientStop {stop} [offset=0.00] [color=#FFFFFF]
             LayoutSVGGradientStop {stop} [offset=1.00] [color=#FFFFFF80]
-        LayoutSVGRect {rect} at (80,144) size 98x86 [fill={[type=LINEAR-GRADIENT] [id="Grad1"]}] [x=60.00] [y=50.00] [width=100.00] [height=60.00]
-      LayoutSVGRect {rect} at (80,144) size 98x86 [fill={[type=SOLID] [color=#00FF00]}] [x=60.00] [y=50.00] [width=100.00] [height=60.00]
+        LayoutSVGRect {rect} at (60,50) size 100x60 [fill={[type=LINEAR-GRADIENT] [id="Grad1"]}] [x=60.00] [y=50.00] [width=100.00] [height=60.00]
+      LayoutSVGRect {rect} at (60,50) size 100x60 [fill={[type=SOLID] [color=#00FF00]}] [x=60.00] [y=50.00] [width=100.00] [height=60.00]
         [masker="mask1"] LayoutSVGResourceMasker {mask} at (60,50) size 100x60
-      LayoutSVGText {text} at (200,54) size 161x14 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 161x14
+      LayoutSVGText {text} at (200,54.20) size 160.05x13.31 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (200,54.20) size 160.05x13.31
           chunk 1 text run 1 at (200.00,65.00) startOffset 0 endOffset 30 width 160.06: "Mask with linear gradient from"
-      LayoutSVGText {text} at (200,69) size 134x14 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 134x14
+      LayoutSVGText {text} at (200,69.20) size 133.42x13.31 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (200,69.20) size 133.42x13.31
           chunk 1 text run 1 at (200.00,80.00) startOffset 0 endOffset 25 width 133.42: "opacity=1 to opactity=0.5"
       LayoutSVGResourceMasker {mask} [id="mask2"] [maskUnits=userSpaceOnUse] [maskContentUnits=userSpaceOnUse]
-        LayoutSVGRect {rect} at (64,194) size 85x65 [fill={[type=SOLID] [color=#FFFFFF] [opacity=0.50]}] [x=60.00] [y=120.00] [width=100.00] [height=30.00]
-      LayoutSVGRect {rect} at (64,194) size 85x65 [fill={[type=SOLID] [color=#00FF00]}] [x=60.00] [y=120.00] [width=100.00] [height=30.00]
+        LayoutSVGRect {rect} at (60,120) size 100x30 [fill={[type=SOLID] [color=#FFFFFF] [opacity=0.50]}] [x=60.00] [y=120.00] [width=100.00] [height=30.00]
+      LayoutSVGRect {rect} at (60,120) size 100x30 [fill={[type=SOLID] [color=#00FF00]}] [x=60.00] [y=120.00] [width=100.00] [height=30.00]
         [masker="mask2"] LayoutSVGResourceMasker {mask} at (60,120) size 100x30
-      LayoutSVGText {text} at (200,124) size 172x14 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 172x14
+      LayoutSVGText {text} at (200,124.20) size 171.39x13.31 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (200,124.20) size 171.39x13.31
           chunk 1 text run 1 at (200.00,135.00) startOffset 0 endOffset 32 width 171.40: "Mask with uniform opacity of 0.5"
-      LayoutSVGRect {rect} at (47,223) size 86x65 [fill={[type=SOLID] [color=#00FF00] [opacity=0.50]}] [x=60.00] [y=160.00] [width=100.00] [height=30.00]
-      LayoutSVGText {text} at (200,164) size 197x14 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 197x14
+      LayoutSVGRect {rect} at (60,160) size 100x30 [fill={[type=SOLID] [color=#00FF00] [opacity=0.50]}] [x=60.00] [y=160.00] [width=100.00] [height=30.00]
+      LayoutSVGText {text} at (200,164.20) size 196.77x13.31 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (200,164.20) size 196.77x13.31
           chunk 1 text run 1 at (200.00,175.00) startOffset 0 endOffset 37 width 196.77: "Rectangle with uniform opacity of 0.5"
       LayoutSVGResourceMasker {mask} [id="mask3"] [maskUnits=userSpaceOnUse] [maskContentUnits=userSpaceOnUse]
-        LayoutSVGRect {rect} at (32,252) size 156x103 [fill={[type=SOLID] [color=#FFFFFF] [opacity=0.50]}] [x=60.00] [y=200.00] [width=200.00] [height=25.00]
-        LayoutSVGRect {rect} at (22,270) size 156x103 [fill={[type=SOLID] [color=#FFFFFF] [opacity=0.20]}] [x=60.00] [y=225.00] [width=200.00] [height=25.00]
-        LayoutSVGRect {rect} at (12,288) size 155x103 [fill={[type=SOLID] [color=#FFFFFF]}] [x=60.00] [y=250.00] [width=200.00] [height=25.00]
-        LayoutSVGRect {rect} at (1,306) size 156x103 [fill={[type=SOLID] [color=#FFFFFF] [opacity=0.70]}] [x=60.00] [y=275.00] [width=200.00] [height=25.00]
-      LayoutSVGText {text} at (60,180) size 221x128 contains 1 chunk(s)
+        LayoutSVGRect {rect} at (60,200) size 200x25 [fill={[type=SOLID] [color=#FFFFFF] [opacity=0.50]}] [x=60.00] [y=200.00] [width=200.00] [height=25.00]
+        LayoutSVGRect {rect} at (60,225) size 200x25 [fill={[type=SOLID] [color=#FFFFFF] [opacity=0.20]}] [x=60.00] [y=225.00] [width=200.00] [height=25.00]
+        LayoutSVGRect {rect} at (60,250) size 200x25 [fill={[type=SOLID] [color=#FFFFFF]}] [x=60.00] [y=250.00] [width=200.00] [height=25.00]
+        LayoutSVGRect {rect} at (60,275) size 200x25 [fill={[type=SOLID] [color=#FFFFFF] [opacity=0.70]}] [x=60.00] [y=275.00] [width=200.00] [height=25.00]
+      LayoutSVGText {text} at (60,180.41) size 220.03x127.19 contains 1 chunk(s)
         [masker="mask3"] LayoutSVGResourceMasker {mask} at (60,200) size 200x100
-        LayoutSVGInlineText {#text} at (0,0) size 221x128
+        LayoutSVGInlineText {#text} at (60,180.41) size 220.03x127.19
           [masker="mask3"] LayoutSVGResourceMasker {mask} at (60,200) size 200x100
           chunk 1 text run 1 at (60.00,280.00) startOffset 0 endOffset 3 width 220.04: "SVG"
-      LayoutSVGText {text} at (200,214) size 196x14 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 196x14
+      LayoutSVGText {text} at (200,214.20) size 195.42x13.31 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (200,214.20) size 195.42x13.31
           chunk 1 text run 1 at (200.00,225.00) startOffset 0 endOffset 36 width 195.43: "Text with mask containing rectangles"
-      LayoutSVGText {text} at (200,229) size 103x14 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 103x14
+      LayoutSVGText {text} at (200,229.20) size 102.72x13.19 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (200,229.20) size 102.72x13.19
           chunk 1 text run 1 at (200.00,240.00) startOffset 0 endOffset 20 width 102.72: "of various opacities"
-      LayoutSVGText {text} at (10,304) size 264x46 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 264x46
+      LayoutSVGText {text} at (10,304) size 263.31x45.59 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (10,304) size 263.31x45.59
           chunk 1 text run 1 at (10.00,340.00) startOffset 0 endOffset 16 width 263.31: "$Revision: 1.7 $"
-      LayoutSVGRect {rect} at (0,83) size 430x460 [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]