Change SVG layout tree output to be more meaningful and consistent

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

Index: third_party/WebKit/LayoutTests/platform/mac/svg/custom/text-rotated-gradient-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/text-rotated-gradient-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/svg/custom/text-rotated-gradient-expected.txt
index ad9a9fe10877f9c958db8989e80dde1db5613f24..3c286a2d239ebeb0588c92a3736266c7bc88bfeb 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/svg/custom/text-rotated-gradient-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/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 701x290
+  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 637x23 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 637x23
+    LayoutSVGText {text} at (0,12) size 636.14x23 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (0,12) size 636.14x23
         chunk 1 text run 1 at (0.00,30.00) startOffset 0 endOffset 81 width 636.15: "You should see red, black, red, black text all rotated 45deg, translated by 100px"
-    LayoutSVGContainer {g} at (0,50) size 75x81 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
-      LayoutSVGText {text} at (50,21) size 77x37 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 77x37
+    LayoutSVGContainer {g} at (50,21) size 76.44x37 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
+      LayoutSVGText {text} at (50,21) size 76.44x37 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (50,21) size 76.44x37
           chunk 1 text run 1 at (50.00,50.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-    LayoutSVGContainer {g} at (94,50) size 81x81 [transform={m=((1.00,0.00)(0.00,1.00)) t=(100.00,0.00)}]
-      LayoutSVGContainer {g} at (94,50) size 81x81 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
-        LayoutSVGText {text} at (50,21) size 77x37 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 77x37
+    LayoutSVGContainer {g} at (-5.66,50.20) size 80.21x80.21 [transform={m=((1.00,0.00)(0.00,1.00)) t=(100.00,0.00)}]
+      LayoutSVGContainer {g} at (50,21) size 76.44x37 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
+        LayoutSVGText {text} at (50,21) size 76.44x37 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (50,21) size 76.44x37
             chunk 1 text run 1 at (50.00,50.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-    LayoutSVGContainer {g} at (194,50) size 81x81 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(200.00,0.00)}]
-      LayoutSVGText {text} at (50,21) size 77x37 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 77x37
+    LayoutSVGContainer {g} at (50,21) size 76.44x37 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(200.00,0.00)}]
+      LayoutSVGText {text} at (50,21) size 76.44x37 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (50,21) size 76.44x37
           chunk 1 text run 1 at (50.00,50.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-    LayoutSVGContainer {g} at (294,50) size 81x81 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(300.00,0.00)}]
-      LayoutSVGText {text} at (50,21) size 77x37 contains 1 chunk(s)
-        LayoutSVGInlineText {#text} at (0,0) size 77x37
+    LayoutSVGContainer {g} at (50,21) size 76.44x37 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(300.00,0.00)}]
+      LayoutSVGText {text} at (50,21) size 76.44x37 contains 1 chunk(s)
+        LayoutSVGInlineText {#text} at (50,21) size 76.44x37
           chunk 1 text run 1 at (50.00,50.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-    LayoutSVGText {text} at (0,152) size 701x23 contains 1 chunk(s)
-      LayoutSVGInlineText {#text} at (0,0) size 701x23
+    LayoutSVGText {text} at (0,152) size 700.61x23 contains 1 chunk(s)
+      LayoutSVGInlineText {#text} at (0,152) size 700.61x23
         chunk 1 text run 1 at (0.00,170.00) startOffset 0 endOffset 88 width 700.62: "You should see the same pattern again, just a bit scaled, by the viewBox of an inner svg"
-    LayoutSVGViewportContainer {svg} at (91,181) size 571x121
-      LayoutSVGContainer {g} at (91,181) size 121x121 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
-        LayoutSVGText {text} at (100,71) size 77x37 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 77x37
+    LayoutSVGViewportContainer {svg} at (-5.66,121.16) size 379.97x79.97
+      LayoutSVGContainer {g} at (100,71.34) size 76.44x36.66 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
+        LayoutSVGText {text} at (100,71.34) size 76.44x36.66 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (100,71.34) size 76.44x36.66
             chunk 1 text run 1 at (100.00,100.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-      LayoutSVGContainer {g} at (241,181) size 121x121 [transform={m=((1.00,0.00)(0.00,1.00)) t=(100.00,0.00)}]
-        LayoutSVGContainer {g} at (241,181) size 121x121 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
-          LayoutSVGText {text} at (100,71) size 77x37 contains 1 chunk(s)
-            LayoutSVGInlineText {#text} at (0,0) size 77x37
+      LayoutSVGContainer {g} at (-5.66,121.16) size 79.97x79.97 [transform={m=((1.00,0.00)(0.00,1.00)) t=(100.00,0.00)}]
+        LayoutSVGContainer {g} at (100,71.34) size 76.44x36.66 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(0.00,0.00)}]
+          LayoutSVGText {text} at (100,71.34) size 76.44x36.66 contains 1 chunk(s)
+            LayoutSVGInlineText {#text} at (100,71.34) size 76.44x36.66
               chunk 1 text run 1 at (100.00,100.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-      LayoutSVGContainer {g} at (391,181) size 121x121 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(200.00,0.00)}]
-        LayoutSVGText {text} at (100,71) size 77x37 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 77x37
+      LayoutSVGContainer {g} at (100,71.34) size 76.44x36.66 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(200.00,0.00)}]
+        LayoutSVGText {text} at (100,71.34) size 76.44x36.66 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (100,71.34) size 76.44x36.66
             chunk 1 text run 1 at (100.00,100.00) startOffset 0 endOffset 4 width 76.44: "TEST"
-      LayoutSVGContainer {g} at (541,181) size 121x121 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(300.00,0.00)}]
-        LayoutSVGText {text} at (100,71) size 77x37 contains 1 chunk(s)
-          LayoutSVGInlineText {#text} at (0,0) size 77x37
+      LayoutSVGContainer {g} at (100,71.34) size 76.44x36.66 [transform={m=((0.71,0.71)(-0.71,0.71)) t=(300.00,0.00)}]
+        LayoutSVGText {text} at (100,71.34) size 76.44x36.66 contains 1 chunk(s)
+          LayoutSVGInlineText {#text} at (100,71.34) size 76.44x36.66
             chunk 1 text run 1 at (100.00,100.00) startOffset 0 endOffset 4 width 76.44: "TEST"