Move the tests in ui/chromeos to a new target: ui_chromeos_unittests

tools/valgrind/chrome_tests.py

Index: tools/valgrind/chrome_tests.py
diff --git a/tools/valgrind/chrome_tests.py b/tools/valgrind/chrome_tests.py
index 27d554ef13be93acb72023144c4ab562018d265c..3f7576350fe5bde12e7ef0d68972d96621dc7ad4 100755
--- a/tools/valgrind/chrome_tests.py
+++ b/tools/valgrind/chrome_tests.py
@@ -473,6 +473,9 @@ class ChromeTests:
   def TestUIUnit(self):
     return self.SimpleTest("chrome", "ui_unittests")
 
+  def TestUIChromeOS(self):
+    return self.SimpleTest("chrome", "ui_chromeos_unittests")
+
   def TestURL(self):
     return self.SimpleTest("chrome", "url_unittests")
 
@@ -715,6 +718,7 @@ class ChromeTests:
     "sync_integration_tests": TestSyncIntegration,
     "sync_integration": TestSyncIntegration,
     "ui_base_unit": TestUIBaseUnit,       "ui_base_unittests": TestUIBaseUnit,
+    "ui_chromeos": TestUIChromeOS, "ui_chromeos_unittests": TestUIChromeOS,
     "ui_unit": TestUIUnit,       "ui_unittests": TestUIUnit,
     "unit": TestUnit,            "unit_tests": TestUnit,
     "url": TestURL,              "url_unittests": TestURL,