Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/filters-diffuse-01-f-expected.txt

Index: third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/filters-diffuse-01-f-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/filters-diffuse-01-f-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/filters-diffuse-01-f-expected.txt
index 56c1d126ec03f704ec8540b76273b124d97e6c4c..1e62910f26c6f92438e4c82c549074e87f3a469c 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/filters-diffuse-01-f-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/svg/W3C-SVG-1.1/filters-diffuse-01-f-expected.txt
@@ -2,9 +2,9 @@ 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
-    LayoutSVGContainer {g} at (90,18) size 317x232
+    LayoutSVGContainer {g} at (90,18) size 316.22x232
       LayoutSVGText {text} at (145,18) size 137x15 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 137x15
+        LayoutSVGInlineText {#text} at (145,18) size 137x15
           chunk 1 text run 1 at (145.00,30.00) startOffset 0 endOffset 26 width 137.00: "Filters: feDiffuseLighting"
       LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
         LayoutSVGResourceFilter {filter} [id="surfaceScaleA"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
@@ -34,37 +34,37 @@ layer at (0,0) size 480x360
         LayoutSVGResourceFilter {filter} [id="lightingColorC"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
           [feDiffuseLighting surfaceScale="10.00" diffuseConstant="1.00"]
             [SourceGraphic]
-      LayoutSVGContainer {g} at (90,60) size 279x50 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,50.00)}]
-        LayoutSVGText {text} at (90,10) size 279x19 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 279x19
+      LayoutSVGContainer {g} at (90,10) size 278.22x50 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,50.00)}]
+        LayoutSVGText {text} at (90,10) size 278.22x19 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (90,10) size 278.22x19
             chunk 1 text run 1 at (90.00,25.00) startOffset 0 endOffset 46 width 278.23: "Various values for surfaceScale: 1, 10 and -10"
-        LayoutSVGImage {image} at (90,80) size 50x30
+        LayoutSVGImage {image} at (90,30) size 50x30
           [filter="surfaceScaleA"] LayoutSVGResourceFilter {filter} at (90,30) size 50x30
-        LayoutSVGImage {image} at (160,80) size 50x30
+        LayoutSVGImage {image} at (160,30) size 50x30
           [filter="surfaceScaleB"] LayoutSVGResourceFilter {filter} at (160,30) size 50x30
-        LayoutSVGImage {image} at (230,80) size 50x30
+        LayoutSVGImage {image} at (230,30) size 50x30
           [filter="surfaceScaleC"] LayoutSVGResourceFilter {filter} at (230,30) size 50x30
-      LayoutSVGContainer {g} at (90,130) size 279x50 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,120.00)}]
-        LayoutSVGText {text} at (90,10) size 279x19 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 279x19
+      LayoutSVGContainer {g} at (90,10) size 278.94x50 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,120.00)}]
+        LayoutSVGText {text} at (90,10) size 278.94x19 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (90,10) size 278.94x19
             chunk 1 text run 1 at (90.00,25.00) startOffset 0 endOffset 47 width 278.94: "Various values for diffuseConstants: 0, 1 and 2"
-        LayoutSVGImage {image} at (90,150) size 50x30
+        LayoutSVGImage {image} at (90,30) size 50x30
           [filter="diffuseConstantA"] LayoutSVGResourceFilter {filter} at (90,30) size 50x30
-        LayoutSVGImage {image} at (160,150) size 50x30
+        LayoutSVGImage {image} at (160,30) size 50x30
           [filter="diffuseConstantB"] LayoutSVGResourceFilter {filter} at (160,30) size 50x30
-        LayoutSVGImage {image} at (230,150) size 50x30
+        LayoutSVGImage {image} at (230,30) size 50x30
           [filter="diffuseConstantC"] LayoutSVGResourceFilter {filter} at (230,30) size 50x30
-      LayoutSVGContainer {g} at (90,200) size 317x50 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,190.00)}]
-        LayoutSVGText {text} at (90,10) size 317x19 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 317x19
+      LayoutSVGContainer {g} at (90,10) size 316.22x50 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,190.00)}]
+        LayoutSVGText {text} at (90,10) size 316.22x19 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (90,10) size 316.22x19
             chunk 1 text run 1 at (90.00,25.00) startOffset 0 endOffset 55 width 316.23: "Various values for lighting color: red, yellow and blue"
-        LayoutSVGImage {image} at (90,220) size 50x30
+        LayoutSVGImage {image} at (90,30) size 50x30
           [filter="lightingColorA"] LayoutSVGResourceFilter {filter} at (90,30) size 50x30
-        LayoutSVGImage {image} at (160,220) size 50x30
+        LayoutSVGImage {image} at (160,30) size 50x30
           [filter="lightingColorB"] LayoutSVGResourceFilter {filter} at (160,30) size 50x30
-        LayoutSVGImage {image} at (230,220) size 50x30
+        LayoutSVGImage {image} at (230,30) size 50x30
           [filter="lightingColorC"] LayoutSVGResourceFilter {filter} at (230,30) size 50x30
     LayoutSVGText {text} at (10,304) size 261x46 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 261x46
+      LayoutSVGInlineText {#text} at (10,304) size 261x46
         chunk 1 text run 1 at (10.00,340.00) startOffset 0 endOffset 16 width 261.00: "$Revision: 1.4 $"
-    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]