Add SMIL deprecation warning

LayoutTests/platform/mac/svg/W3C-SVG-1.1/animate-elem-34-t-expected.txt

+CONSOLE WARNING: SVG's SMIL animations (<animate>, <set>, etc.) are deprecated and will be removed. Please use CSS animations or Web animations instead.
 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 (52,11) size 362x182 [transform={m=((0.80,0.00)(0.00,0.80)) t=(40.00,0.00)}]
       LayoutSVGPath {polygon} at (238,15) size 70x106 [stroke={[type=SOLID] [color=#000000]}] [fill={[type=SOLID] [color=#CCCCCC]}] [points="248.5 38.5 276.5 22.5 298.5 19.5 316.5 26.5 332.5 40.5 331.5 57.5 322.5 70.5 307.5 76.5 314.5 80.5 324.5 86.5 333.5 99.5 333.5 121.5 327.5 130.5 312.5 143.5 292.5 149.5 270.5 148.5 248.5 142.5 252.5 114.5 267.5 119.5 282.5 119.5 297.5 115.5 304.5 109.5 295.5 99.5 284.5 92.5 277.5 84.5 270.5 74.5 281.5 66.5 293.5 60.5 297.5 50.5 292.5 45.5 281.5 45.5 274.5 49.5 266.5 53.5"]
       LayoutSVGPath {polygon} at (126,12) size 95x109 [stroke={[type=SOLID] [color=#000000]}] [fill={[type=SOLID] [color=#CCCCCC]}] [points="108.5 38.5 123.5 26.5 148.5 16.5 172.5 17.5 188.5 19.5 202.5 23.5 206.5 26.5 210.5 37.5 213.5 44.5 215.5 57.5 209.5 68.5 203.5 81.5 187.5 98.5 164.5 120.5 206.5 121.5 224.5 121.5 220.5 149.5 194.5 147.5 181.5 147.5 167.5 146.5 150.5 147.5 133.5 149.5 117.5 148.5 117.5 136.5 118.5 124.5 133.5 115.5 151.5 97.5 170.5 78.5 186.5 59.5 179.5 43.5 159.5 35.5 139.5 40.5 125.5 49.5"]
       LayoutSVGPath {polygon} at (57,12) size 56x111 [stroke={[type=SOLID] [color=#000000]}] [fill={[type=SOLID] [color=#CCCCCC]}] [points="26.5 32.5 33.5 32.5 40.5 29.5 47.5 23.5 61.5 17.5 73.5 16.5 74.5 33.5 73.5 50.5 73.5 64.5 72.5 77.5 72.5 90.5 72.5 105.5 71.5 126.5 89.5 128.5 90.5 138.5 89.5 151.5 72.5 151.5 54.5 152.5 38.5 152.5 27.5 152.5 28.5 139.5 30.5 127.5 44.5 125.5 46.5 112.5 47.5 99.5 46.5 87.5 48.5 73.5 48.5 53.5 34.5 52.5 22.5 52.5 22.5 51.5 22.5 41.5 22.5 33.5"]
       LayoutSVGPath {polygon} at (332,12) size 82x113 [stroke={[type=SOLID] [color=#000000]}] [fill={[type=SOLID] [color=#CCCCCC]}] [points="427.5 17.5 439.5 15.5 449.5 15.5 449.5 29.5 447.5 44.5 447.5 59.5 465.5 60.5 466.5 74.5 465.5 89.5 450.5 87.5 449.5 102.5 449.5 123.5 449.5 140.5 449.5 153.5 420.5 154.5 421.5 137.5 420.5 123.5 420.5 111.5 419.5 99.5 392.5 97.5 367.5 99.5 366.5 79.5 367.5 69.5 376.5 43.5 381.5 27.5 384.5 17.5 412.5 16.5 406.5 36.5 400.5 49.5 394.5 70.5 419.5 71.5 423.5 49.5 424.5 33.5"]
       LayoutSVGPath {polygon} at (56,11) size 59x113 [stroke={[type=SOLID] [color=#000000] [stroke width=4.00]}] [fill={[type=SOLID] [color=#CC0066]}] [points="26.5 32.5 33.5 32.5 40.5 29.5 47.5 23.5 61.5 17.5 73.5 16.5 74.5 33.5 73.5 50.5 73.5 64.5 72.5 77.5 72.5 90.5 72.5 105.5 71.5 126.5 89.5 128.5 90.5 138.5 89.5 151.5 72.5 151.5 54.5 152.5 38.5 152.5 27.5 152.5 28.5 139.5 30.5 127.5 44.5 125.5 46.5 112.5 47.5 99.5 46.5 87.5 48.5 73.5 48.5 53.5 34.5 52.5 22.5 52.5 22.5 51.5 22.5 41.5 22.5 33.5"]
@@ skipping 11 matching lines @@
     LayoutSVGText {text} at (5,238) size 322x22 contains 1 chunk(s)
       LayoutSVGInlineText {#text} at (0,0) size 322x22
         chunk 1 text run 1 at (5.00,255.00) startOffset 0 endOffset 45 width 321.43: "Digit should match outline at indicated time."
     LayoutSVGText {text} at (5,258) size 389x22 contains 1 chunk(s)
       LayoutSVGInlineText {#text} at (0,0) size 389x22
         chunk 1 text run 1 at (5.00,275.00) startOffset 0 endOffset 54 width 388.45: "Filled square should follow morphing digit discretely."
     LayoutSVGText {text} at (10,304) size 264x46 contains 1 chunk(s)
       LayoutSVGInlineText {#text} at (0,0) size 264x46
         chunk 1 text run 1 at (10.00,340.00) startOffset 0 endOffset 16 width 263.34: "$Revision: 1.7 $"
     LayoutSVGRect {rect} at (0,0) size 480x360 [stroke={[type=SOLID] [color=#000000]}] [x=1.00] [y=1.00] [width=478.00] [height=358.00]