Backend for css rule tracking

third_party/WebKit/LayoutTests/inspector-protocol/css/resources/get-rule-list.css

Index: third_party/WebKit/LayoutTests/inspector-protocol/css/resources/get-rule-list.css
diff --git a/third_party/WebKit/LayoutTests/inspector-protocol/css/resources/get-rule-list.css b/third_party/WebKit/LayoutTests/inspector-protocol/css/resources/get-rule-list.css
new file mode 100644
index 0000000000000000000000000000000000000000..16e811bf59238c883124bf967dacc65844d258a1
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/inspector-protocol/css/resources/get-rule-list.css
@@ -0,0 +1,24 @@
+body {background-color: lightblue;}
+.class {color: red;}
+#id {color: blue}
+notUsed {color: black}
+@media screen and (min-width: 480px) {
+    body {
+        background-color: lightgreen;
+    }
+}
+@import "mystyle.css";
+@keyframes mymove {
+    0%   {top: 0px;}
+    25%  {top: 200px;}
+    75%  {top: 50px}
+    100% {top: 100px;}
+}
+div {
+    width: 100px;
+    height: 100px;
+    background: red;
+    position :relative;
+    -webkit-animation: mymove 5s infinite; /* Safari 4.0 - 8.0 */
+    animation: mymove 5s infinite;
+}