DevTools: Add shadow-editor swatch/icon before box-shadows and text-shadows

third_party/WebKit/Source/devtools/front_end/Images/src/smallIcons.svg

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    xmlns:svg="http://www.w3.org/2000/svg"
    xmlns="http://www.w3.org/2000/svg"
    xmlns:xlink="http://www.w3.org/1999/xlink"
@@ skipping 287 matching lines @@
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      inkscape:pageshadow="2"
      inkscape:zoom="5.5"
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      inkscape:cy="22.130842"
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      inkscape:current-layer="layer1"
      showgrid="true"
      inkscape:window-width="1178"
      inkscape:window-height="865"
-     inkscape:window-x="612"
-     inkscape:window-y="125"
+     inkscape:window-x="2254"
+     inkscape:window-y="165"
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        spacingx="10px"
        spacingy="10px"
@@ skipping 186 matching lines @@
        style="fill:none;stroke:none">
       <g
          id="curve_swatch"
          style="fill:#000000">
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            d="M 0,0.99539757 C 0,0.44565467 0.4556644,0 0.99539757,0 L 9.0046024,0 C 9.5543453,0 10,0.4556644 10,0.99539757 L 10,9.0046024 C 10,9.5543453 9.5443356,10 9.0046024,10 L 0.99539757,10 C 0.44565467,10 0,9.5443356 0,9.0046024 L 0,0.99539757 z M 5.1232992,5.7397954 C 7.6905853,5.3119144 8.75,4.5467816 8.75,2 L 7.25,2 C 7.25,3.6198851 6.8094147,3.9380856 4.8767008,4.2602046 2.3094147,4.6880856 1.25,5.4532184 1.25,8 l 1.5,0 c 0,-1.6198851 0.4405853,-1.9380856 2.3732992,-2.2602046 z"
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+    <g
+       style="fill:#212121;fill-rule:evenodd;stroke:none"
+       id="shadow_swatch"
+       transform="translate(60,1042.3622)">
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+         id="Combined-Shape-3"
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 </svg>