Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/linux/svg/custom/feComponentTransfer-Gamma-expected.txt

Index: third_party/WebKit/LayoutTests/platform/linux/svg/custom/feComponentTransfer-Gamma-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/svg/custom/feComponentTransfer-Gamma-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/svg/custom/feComponentTransfer-Gamma-expected.txt
index c0b00e9eccc8d1f46530407d0022524d7c79225d..14bb8b103526765cc7d8ce09d4d1f734e0cbab9e 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/svg/custom/feComponentTransfer-Gamma-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/svg/custom/feComponentTransfer-Gamma-expected.txt
@@ -1,9 +1,9 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (25,16) size 750x485
-    LayoutSVGContainer {g} at (25,16) size 750x485
-      LayoutSVGViewportContainer {svg} at (25,16) size 750x485
+  LayoutSVGRoot {svg} at (0,0) size 800x600
+    LayoutSVGContainer {g} at (15.69,10.31) size 448.62x289.38
+      LayoutSVGViewportContainer {svg} at (1,1) size 648x418
         LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
           LayoutSVGResourceLinearGradient {linearGradient} [id="MyGradient"] [gradientUnits=userSpaceOnUse] [start=(10,0)] [end=(590,0)]
             LayoutSVGGradientStop {stop} [offset=0.00] [color=#00FF00]
@@ -36,32 +36,32 @@ layer at (0,0) size 800x600
                 {blue: type="UNKNOWN" slope="0.00" intercept="0.00" amplitude="0.00" exponent="0.00" offset="0.00"}
                 {alpha: type="UNKNOWN" slope="0.00" intercept="0.00" amplitude="0.00" exponent="0.00" offset="0.00"}]
               [SourceGraphic]
-        LayoutSVGRect {rect} at (25,16) size 750x485 [stroke={[type=SOLID] [color=#0000FF]}] [x=1.00] [y=1.00] [width=648.00] [height=418.00]
-        LayoutSVGContainer {g} at (25,16) size 750x485
-          LayoutSVGRect {rect} at (25,16) size 750x485 [stroke={[type=SOLID] [color=#0000FF]}] [x=1.00] [y=1.00] [width=648.00] [height=418.00]
-          LayoutSVGRect {rect} at (48,27) size 670x47 [fill={[type=LINEAR-GRADIENT] [id="MyGradient"]}] [x=20.00] [y=10.00] [width=580.00] [height=40.00]
+        LayoutSVGRect {rect} at (1,1) size 648x418 [stroke={[type=SOLID] [color=#0000FF]}] [x=1.00] [y=1.00] [width=648.00] [height=418.00]
+        LayoutSVGContainer {g} at (1,1) size 648x418
+          LayoutSVGRect {rect} at (1,1) size 648x418 [stroke={[type=SOLID] [color=#0000FF]}] [x=1.00] [y=1.00] [width=648.00] [height=418.00]
+          LayoutSVGRect {rect} at (20,10) size 580x40 [fill={[type=LINEAR-GRADIENT] [id="MyGradient"]}] [x=20.00] [y=10.00] [width=580.00] [height=40.00]
             [filter="Identity"] LayoutSVGResourceFilter {filter} at (20,10) size 580x40
-          LayoutSVGText {text} at (20,55) size 103x18 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 103x18
+          LayoutSVGText {text} at (20,55.28) size 102.11x17.33 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (20,55.28) size 102.11x17.33
               chunk 1 text run 1 at (20.00,70.00) startOffset 0 endOffset 14 width 102.12: "type: identity"
-          LayoutSVGRect {rect} at (48,142) size 670x48 [fill={[type=LINEAR-GRADIENT] [id="MyGradient"]}] [x=20.00] [y=110.00] [width=580.00] [height=40.00]
+          LayoutSVGRect {rect} at (20,110) size 580x40 [fill={[type=LINEAR-GRADIENT] [id="MyGradient"]}] [x=20.00] [y=110.00] [width=580.00] [height=40.00]
             [filter="GammaBlank"] LayoutSVGResourceFilter {filter} at (20,110) size 580x40
-          LayoutSVGText {text} at (20,155) size 580x18 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 580x18
+          LayoutSVGText {text} at (20,155.28) size 579.28x17.33 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (20,155.28) size 579.28x17.33
               chunk 1 text run 1 at (20.00,170.00) startOffset 0 endOffset 72 width 579.29: "type: gamma amplitude=1 exponent=1 offset=0 -- Result should be identity"
-          LayoutSVGRect {rect} at (48,258) size 670x47 [fill={[type=LINEAR-GRADIENT] [id="MyGradient"]}] [x=20.00] [y=210.00] [width=580.00] [height=40.00]
+          LayoutSVGRect {rect} at (20,210) size 580x40 [fill={[type=LINEAR-GRADIENT] [id="MyGradient"]}] [x=20.00] [y=210.00] [width=580.00] [height=40.00]
             [filter="GammaFull"] LayoutSVGResourceFilter {filter} at (20,210) size 580x40
-          LayoutSVGText {text} at (20,255) size 532x18 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 532x18
+          LayoutSVGText {text} at (20,255.28) size 531.69x17.33 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (20,255.28) size 531.69x17.33
               chunk 1 text run 1 at (20.00,270.00) startOffset 0 endOffset 65 width 531.69: "type: gamma amplitude=1 exponent=0.5 offset=0 -- Result should be"
-          LayoutSVGText {text} at (20,275) size 192x18 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 192x18
+          LayoutSVGText {text} at (20,275.28) size 191.02x17.33 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (20,275.28) size 191.02x17.33
               chunk 1 text run 1 at (20.00,290.00) startOffset 0 endOffset 27 width 191.02: "delayed falloff in gradient"
-          LayoutSVGRect {rect} at (48,373) size 670x47 [fill={[type=LINEAR-GRADIENT] [id="MyGradient"]}] [x=20.00] [y=310.00] [width=580.00] [height=40.00]
+          LayoutSVGRect {rect} at (20,310) size 580x40 [fill={[type=LINEAR-GRADIENT] [id="MyGradient"]}] [x=20.00] [y=310.00] [width=580.00] [height=40.00]
             [filter="GammaOrd"] LayoutSVGResourceFilter {filter} at (20,310) size 580x40
-          LayoutSVGText {text} at (20,355) size 570x18 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 570x18
+          LayoutSVGText {text} at (20,355.28) size 569.81x17.33 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (20,355.28) size 569.81x17.33
               chunk 1 text run 1 at (20.00,370.00) startOffset 0 endOffset 69 width 569.83: "type: gamma amplitude=1 exponent=2 offset=0 -- Result should compress"
-          LayoutSVGText {text} at (20,375) size 92x18 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 92x18
+          LayoutSVGText {text} at (20,375.28) size 91.59x17.33 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (20,375.28) size 91.59x17.33
               chunk 1 text run 1 at (20.00,390.00) startOffset 0 endOffset 12 width 91.60: "the gradient"