Add disabled origin trial feature list

chrome/browser/origin_trials/origin_trial_controller_unittest.cc

Index: chrome/browser/origin_trials/origin_trial_controller_unittest.cc
diff --git a/chrome/browser/origin_trials/origin_trial_controller_unittest.cc b/chrome/browser/origin_trials/origin_trial_controller_unittest.cc
index 36524cc3ec8974ac7974f3e73c95351a68b68378..e0d0321d8c2225e38ea00506cb1c07701e4b775b 100644
--- a/chrome/browser/origin_trials/origin_trial_controller_unittest.cc
+++ b/chrome/browser/origin_trials/origin_trial_controller_unittest.cc
@@ -14,6 +14,7 @@
 
 const char kFieldTrialGroup[] = "TestGroup";
 const char kNewPublicKey[] = "dRCs+TocuKkocNKa0AtZ4awrt9XKH2SQCI6o4FY6BNA=";
+const char kNewDisabledFeatures[] = "Frobulate";
 
 class OriginTrialControllerTest : public testing::Test {
  protected:
@@ -59,7 +60,7 @@ TEST_F(OriginTrialControllerTest, EmptyFieldTrial) {
   EXPECT_FALSE(command_line()->HasSwitch(switches::kOriginTrialPublicKey));
 }
 
-TEST_F(OriginTrialControllerTest, EmptyStringFieldTrial) {
+TEST_F(OriginTrialControllerTest, EmptyKeyFieldTrial) {
   AddFieldTrial();
   AddFieldTrialParam(OriginTrialController::kPublicKeyFieldName, "");
   UpdateCommandLine();
@@ -74,3 +75,22 @@ TEST_F(OriginTrialControllerTest, FieldTrialUpdatesPublicKey) {
   EXPECT_EQ(kNewPublicKey, command_line()->GetSwitchValueASCII(
                                switches::kOriginTrialPublicKey));
 }
+
+TEST_F(OriginTrialControllerTest, EmptyDisabledFeaturesFieldTrial) {
+  AddFieldTrial();
+  AddFieldTrialParam(OriginTrialController::kDisabledFeaturesFieldName, "");
+  UpdateCommandLine();
+  EXPECT_FALSE(
+      command_line()->HasSwitch(switches::kOriginTrialDisabledFeatures));
+}
+
+TEST_F(OriginTrialControllerTest, FieldTrialUpdatesDisabledFeatures) {
+  AddFieldTrial();
+  AddFieldTrialParam(OriginTrialController::kDisabledFeaturesFieldName,
+                     kNewDisabledFeatures);
+  UpdateCommandLine();
+  EXPECT_TRUE(
+      command_line()->HasSwitch(switches::kOriginTrialDisabledFeatures));
+  EXPECT_EQ(kNewDisabledFeatures, command_line()->GetSwitchValueASCII(
+                                      switches::kOriginTrialDisabledFeatures));
+}