Change SVG layout tree output to be more meaningful and consistent

third_party/WebKit/LayoutTests/platform/win/svg/custom/text-rotated-gradient-expected.txt

Index: third_party/WebKit/LayoutTests/platform/win/svg/custom/text-rotated-gradient-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/win/svg/custom/text-rotated-gradient-expected.txt b/third_party/WebKit/LayoutTests/platform/win/svg/custom/text-rotated-gradient-expected.txt
index 5190b8ab15d3a3aa3b193a49a59880b1c4b386ce..13ce1c492776a75edbbfefd8711960d563f3187a 100644
--- a/third_party/WebKit/LayoutTests/platform/win/svg/custom/text-rotated-gradient-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/win/svg/custom/text-rotated-gradient-expected.txt
@@ -1,49 +1,49 @@
 layer at (0,0) size 800x600
   LayoutView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  LayoutSVGRoot {svg} at (0,12) size 701x289
+  LayoutSVGRoot {svg} at (0,0) size 800x600
     LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourceLinearGradient {linearGradient} [id="g"] [gradientUnits=userSpaceOnUse] [start=(0,0)] [end=(0,600)]
         LayoutSVGGradientStop {stop} [offset=0.00] [color=#FF0000]
         LayoutSVGGradientStop {stop} [offset=1.00] [color=#00000080]
-    LayoutSVGText {text} at (0,12) size 637x22 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 637x22
+    LayoutSVGText {text} at (0,12) size 636.14x22 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (0,12) size 636.14x22
         chunk 1 text run 1 at (0.00,30.00) startOffset 0 endOffset 81 width 636.14: "You should see red, black, red, black text all rotated 45deg, translated by 100px"
-    LayoutSVGContainer {g} at (0,50) size 75x80 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
-      LayoutSVGText {text} at (50,21) size 77x36 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 77x36
+    LayoutSVGContainer {g} at (50,21) size 76.44x36 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
+      LayoutSVGText {text} at (50,21) size 76.44x36 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (50,21) size 76.44x36
           chunk 1 text run 1 at (50.00,50.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-    LayoutSVGContainer {g} at (95,50) size 80x80 [transform={m=((1.00,0.00)(0.00,1.00)) t=(100.00,0.00)}]
-      LayoutSVGContainer {g} at (95,50) size 80x80 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
-        LayoutSVGText {text} at (50,21) size 77x36 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 77x36
+    LayoutSVGContainer {g} at (-4.95,50.20) size 79.51x79.51 [transform={m=((1.00,0.00)(0.00,1.00)) t=(100.00,0.00)}]
+      LayoutSVGContainer {g} at (50,21) size 76.44x36 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
+        LayoutSVGText {text} at (50,21) size 76.44x36 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (50,21) size 76.44x36
             chunk 1 text run 1 at (50.00,50.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-    LayoutSVGContainer {g} at (195,50) size 80x80 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(200.00,0.00)}]
-      LayoutSVGText {text} at (50,21) size 77x36 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 77x36
+    LayoutSVGContainer {g} at (50,21) size 76.44x36 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(200.00,0.00)}]
+      LayoutSVGText {text} at (50,21) size 76.44x36 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (50,21) size 76.44x36
           chunk 1 text run 1 at (50.00,50.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-    LayoutSVGContainer {g} at (295,50) size 80x80 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(300.00,0.00)}]
-      LayoutSVGText {text} at (50,21) size 77x36 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 77x36
+    LayoutSVGContainer {g} at (50,21) size 76.44x36 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(300.00,0.00)}]
+      LayoutSVGText {text} at (50,21) size 76.44x36 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (50,21) size 76.44x36
           chunk 1 text run 1 at (50.00,50.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-    LayoutSVGText {text} at (0,152) size 701x22 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 701x22
+    LayoutSVGText {text} at (0,152) size 700.59x22 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (0,152) size 700.59x22
         chunk 1 text run 1 at (0.00,170.00) startOffset 0 endOffset 88 width 700.61: "You should see the same pattern again, just a bit scaled, by the viewBox of an inner svg"
-    LayoutSVGViewportContainer {svg} at (92,181) size 570x120
-      LayoutSVGContainer {g} at (92,181) size 120x120 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
-        LayoutSVGText {text} at (100,71) size 77x36 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 77x36
+    LayoutSVGViewportContainer {svg} at (-4.72,121.16) size 379.03x79.03
+      LayoutSVGContainer {g} at (100,71.34) size 76.44x35.33 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
+        LayoutSVGText {text} at (100,71.34) size 76.44x35.33 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (100,71.34) size 76.44x35.33
             chunk 1 text run 1 at (100.00,100.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-      LayoutSVGContainer {g} at (242,181) size 120x120 [transform={m=((1.00,0.00)(0.00,1.00)) t=(100.00,0.00)}]
-        LayoutSVGContainer {g} at (242,181) size 120x120 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
-          LayoutSVGText {text} at (100,71) size 77x36 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 77x36
+      LayoutSVGContainer {g} at (-4.72,121.16) size 79.03x79.03 [transform={m=((1.00,0.00)(0.00,1.00)) t=(100.00,0.00)}]
+        LayoutSVGContainer {g} at (100,71.34) size 76.44x35.33 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
+          LayoutSVGText {text} at (100,71.34) size 76.44x35.33 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (100,71.34) size 76.44x35.33
               chunk 1 text run 1 at (100.00,100.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-      LayoutSVGContainer {g} at (392,181) size 120x120 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(200.00,0.00)}]
-        LayoutSVGText {text} at (100,71) size 77x36 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 77x36
+      LayoutSVGContainer {g} at (100,71.34) size 76.44x35.33 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(200.00,0.00)}]
+        LayoutSVGText {text} at (100,71.34) size 76.44x35.33 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (100,71.34) size 76.44x35.33
             chunk 1 text run 1 at (100.00,100.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-      LayoutSVGContainer {g} at (542,181) size 120x120 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(300.00,0.00)}]
-        LayoutSVGText {text} at (100,71) size 77x36 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 77x36
+      LayoutSVGContainer {g} at (100,71.34) size 76.44x35.33 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(300.00,0.00)}]
+        LayoutSVGText {text} at (100,71.34) size 76.44x35.33 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (100,71.34) size 76.44x35.33
             chunk 1 text run 1 at (100.00,100.00) startOffset 0 endOffset 4 width 76.44: "TEST"