Add runtest test def for cts-webkit.
diff --git a/testrunner/test_defs.xml b/testrunner/test_defs.xml
index 6f073bb..55ddfdf 100644
--- a/testrunner/test_defs.xml
+++ b/testrunner/test_defs.xml
@@ -291,6 +291,13 @@
     coverage_target="framework"
     cts="true" />
 
+<test name="cts-webkit"
+    build_path="cts/tests/tests/webkit"
+    package="com.android.cts.webkit"
+    runner="android.test.InstrumentationCtsTestRunner"
+    coverage_target="framework"
+    cts="true" />
+
 <test name="cts-widget"
     build_path="cts/tests"
     package="com.android.cts.widget"