Change SVG layout tree output to be more meaningful and consistent

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

Index: third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/filters-diffuse-01-f-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/filters-diffuse-01-f-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/filters-diffuse-01-f-expected.txt
index 88677117f582e7ff97af5da1a14fcf19891836e8..68a7fa093198cb4b7d4c1d42ef00abf8fe94fd41 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/filters-diffuse-01-f-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/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 (90,19) size 347x231
-      LayoutSVGText {text} at (145,19) size 142x14 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 142x14
+    LayoutSVGContainer {g} at (90,19) size 346.14x231
+      LayoutSVGText {text} at (145,19) size 141.98x14 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (145,19) size 141.98x14
           chunk 1 text run 1 at (145.00,30.00) startOffset 0 endOffset 26 width 142.00: "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 (90,61) size 295x49 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,50.00)}]
-        LayoutSVGText {text} at (90,11) size 295x18 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 295x18
+      LayoutSVGContainer {g} at (90,11) size 294.13x49 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,50.00)}]
+        LayoutSVGText {text} at (90,11) size 294.13x18 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (90,11) size 294.13x18
             chunk 1 text run 1 at (90.00,25.00) startOffset 0 endOffset 46 width 294.13: "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 (90,131) size 300x49 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,120.00)}]
-        LayoutSVGText {text} at (90,11) size 300x18 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 300x18
+      LayoutSVGContainer {g} at (90,11) size 299.22x49 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,120.00)}]
+        LayoutSVGText {text} at (90,11) size 299.22x18 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (90,11) size 299.22x18
             chunk 1 text run 1 at (90.00,25.00) startOffset 0 endOffset 47 width 299.23: "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 (90,201) size 347x49 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,190.00)}]
-        LayoutSVGText {text} at (90,11) size 347x18 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 347x18
+      LayoutSVGContainer {g} at (90,11) size 346.14x49 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,190.00)}]
+        LayoutSVGText {text} at (90,11) size 346.14x18 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (90,11) size 346.14x18
             chunk 1 text run 1 at (90.00,25.00) startOffset 0 endOffset 55 width 346.14: "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 264x46 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 264x46
+    LayoutSVGText {text} at (10,304) size 263.33x46 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (10,304) size 263.33x46
         chunk 1 text run 1 at (10.00,340.00) startOffset 0 endOffset 16 width 263.34: "$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]