Fix getBBox() returning (0,0) bug when width or height is zero

LayoutTests/platform/linux/svg/batik/text/verticalText-expected.txt

Index: LayoutTests/platform/linux/svg/batik/text/verticalText-expected.txt
diff --git a/LayoutTests/platform/win/svg/batik/text/verticalText-expected.txt b/LayoutTests/platform/linux/svg/batik/text/verticalText-expected.txt
similarity index 98%
copy from LayoutTests/platform/win/svg/batik/text/verticalText-expected.txt
copy to LayoutTests/platform/linux/svg/batik/text/verticalText-expected.txt
index c98baf82db08ed28c2dbf35c79d9e27dbd727849..e30bdf3ce037f715d87905c1b093d94c9b7422e0 100644
--- a/LayoutTests/platform/win/svg/batik/text/verticalText-expected.txt
+++ b/LayoutTests/platform/linux/svg/batik/text/verticalText-expected.txt
@@ -9,15 +9,15 @@ layer at (0,0) size 450x500
         RenderSVGInlineText {#text} at (0,0) size 120x18
           chunk 1 (middle anchor) text run 1 at (165.00,40.00) startOffset 0 endOffset 18 width 120.00: "Vertical Text Test"
       RenderSVGPath {line} at (20,74) size 410x2 [stroke={[type=SOLID] [color=#000000]}] [fill={[type=SOLID] [color=#000000]}] [x1=20.00] [y1=75.00] [x2=430.00] [y2=75.00]
-      RenderSVGContainer {g} at (48,73) size 354x377 [opacity=0.50]
-        RenderSVGEllipse {circle} at (48,73) size 4x4 [fill={[type=SOLID] [color=#FF0000]}] [cx=50.00] [cy=75.00] [r=2.00]
-        RenderSVGEllipse {circle} at (98,73) size 4x4 [fill={[type=SOLID] [color=#FF0000]}] [cx=100.00] [cy=75.00] [r=2.00]
-        RenderSVGEllipse {circle} at (148,73) size 4x4 [fill={[type=SOLID] [color=#FF0000]}] [cx=150.00] [cy=75.00] [r=2.00]
-        RenderSVGEllipse {circle} at (198,73) size 4x4 [fill={[type=SOLID] [color=#FF0000]}] [cx=200.00] [cy=75.00] [r=2.00]
-        RenderSVGEllipse {circle} at (248,73) size 4x4 [fill={[type=SOLID] [color=#FF0000]}] [cx=250.00] [cy=75.00] [r=2.00]
-        RenderSVGEllipse {circle} at (298,73) size 4x4 [fill={[type=SOLID] [color=#FF0000]}] [cx=300.00] [cy=75.00] [r=2.00]
-        RenderSVGEllipse {circle} at (348,73) size 4x4 [fill={[type=SOLID] [color=#FF0000]}] [cx=350.00] [cy=75.00] [r=2.00]
-        RenderSVGEllipse {circle} at (398,73) size 4x4 [fill={[type=SOLID] [color=#FF0000]}] [cx=400.00] [cy=75.00] [r=2.00]
+      RenderSVGContainer {g} at (47,72) size 356x378 [opacity=0.50]
+        RenderSVGEllipse {circle} at (47,72) size 6x6 [fill={[type=SOLID] [color=#FF0000]}] [cx=50.00] [cy=75.00] [r=2.00]
+        RenderSVGEllipse {circle} at (97,72) size 6x6 [fill={[type=SOLID] [color=#FF0000]}] [cx=100.00] [cy=75.00] [r=2.00]
+        RenderSVGEllipse {circle} at (147,72) size 6x6 [fill={[type=SOLID] [color=#FF0000]}] [cx=150.00] [cy=75.00] [r=2.00]
+        RenderSVGEllipse {circle} at (197,72) size 6x6 [fill={[type=SOLID] [color=#FF0000]}] [cx=200.00] [cy=75.00] [r=2.00]
+        RenderSVGEllipse {circle} at (247,72) size 6x6 [fill={[type=SOLID] [color=#FF0000]}] [cx=250.00] [cy=75.00] [r=2.00]
+        RenderSVGEllipse {circle} at (297,72) size 6x6 [fill={[type=SOLID] [color=#FF0000]}] [cx=300.00] [cy=75.00] [r=2.00]
+        RenderSVGEllipse {circle} at (347,72) size 6x6 [fill={[type=SOLID] [color=#FF0000]}] [cx=350.00] [cy=75.00] [r=2.00]
+        RenderSVGEllipse {circle} at (397,72) size 6x6 [fill={[type=SOLID] [color=#FF0000]}] [cx=400.00] [cy=75.00] [r=2.00]
         RenderSVGPath {line} at (49,75) size 2x375 [stroke={[type=SOLID] [color=#FF0000]}] [fill={[type=SOLID] [color=#000000]}] [x1=50.00] [y1=75.00] [x2=50.00] [y2=450.00]
         RenderSVGPath {line} at (99,75) size 2x375 [stroke={[type=SOLID] [color=#FF0000]}] [fill={[type=SOLID] [color=#000000]}] [x1=100.00] [y1=75.00] [x2=100.00] [y2=450.00]
         RenderSVGPath {line} at (149,75) size 2x375 [stroke={[type=SOLID] [color=#FF0000]}] [fill={[type=SOLID] [color=#000000]}] [x1=150.00] [y1=75.00] [x2=150.00] [y2=450.00]