Moves Cast test list from chromium.fyi to chromium.linux.

testing/buildbot/chromium.linux.json

Index: testing/buildbot/chromium.linux.json
diff --git a/testing/buildbot/chromium.linux.json b/testing/buildbot/chromium.linux.json
index c18aece41b8a1b9f3f75f45c1487b5312fdc59e3..f0cfa3b0222f26cff23086ea4ce050acb63f1648 100644
--- a/testing/buildbot/chromium.linux.json
+++ b/testing/buildbot/chromium.linux.json
@@ -35,6 +35,64 @@
       }
     ]
   },
+  "Cast Linux": {
+    "gtest_tests": [
+      {
+        "test": "base_unittests"
+      },
+      {
+        "test": "cacheinvalidation_unittests"
+      },
+      {
+        "test": "cast_base_unittests"
+      },
+      {
+        "test": "cast_media_unittests"
+      },
+      {
+        "test": "cast_shell_browser_test"
+      },
+      {
+        "test": "content_unittests"
+      },
+      {
+        "test": "crypto_unittests"
+      },
+      {
+        "test": "gpu_unittests"
+      },
+      {
+        "test": "ipc_tests"
+      },
+      {
+        "test": "jingle_unittests"
+      },
+      {
+        "test": "media_unittests"
+      },
+      {
+        "test": "midi_unittests"
+      },
+      {
+        "test": "net_unittests"
+      },
+      {
+        "test": "sandbox_linux_unittests"
+      },
+      {
+        "test": "sql_unittests"
+      },
+      {
+        "test": "sync_unit_tests"
+      },
+      {
+        "test": "ui_base_unittests"
+      },
+      {
+        "test": "url_unittests"
+      }
+    ]
+  },
   "Linux Clang (dbg)": {
     "gtest_tests": [
       {