Only show the credit card assist feature in secure contexts.

components/autofill/core/browser/autofill_assistant_unittest.cc

Index: components/autofill/core/browser/autofill_assistant_unittest.cc
diff --git a/components/autofill/core/browser/autofill_assistant_unittest.cc b/components/autofill/core/browser/autofill_assistant_unittest.cc
index 4f93f192dfbf5bf3ceb3e2df02bc18b3c30f9a80..7191e68cdf5b1e9e69b6d39d087cae600d7ece37 100644
--- a/components/autofill/core/browser/autofill_assistant_unittest.cc
+++ b/components/autofill/core/browser/autofill_assistant_unittest.cc
@@ -60,6 +60,7 @@ class AutofillAssistantTest : public testing::Test {
 
   void EnableAutofillCreditCardAssist() {
     scoped_feature_list_.InitAndEnableFeature(kAutofillCreditCardAssist);
+    autofill_client_.set_is_context_secure(true);
   }
 
   // Returns an initialized FormStructure with credit card form data. To be
@@ -132,6 +133,24 @@ TEST_F(AutofillAssistantTest, CanShowCreditCardAssist_FeatureOn) {
   EXPECT_TRUE(autofill_assistant_.CanShowCreditCardAssist(form_structures));
 }
 
+// Tests that with the feature enabled and proper input,
+// CanShowCreditCardAssist() behaves as expected for secure vs insecure
+// contexts.
+TEST_F(AutofillAssistantTest, CanShowCreditCardAssist_FeatureOn_NotSecure) {
+  EnableAutofillCreditCardAssist();
+  std::unique_ptr<FormStructure> form_structure = CreateValidCreditCardForm();
+  std::vector<FormStructure*> form_structures;
+  form_structures.push_back(form_structure.get());
+
+  // Cannot be shown if the context is not secure.
+  autofill_client_.set_is_context_secure(false);
+  EXPECT_FALSE(autofill_assistant_.CanShowCreditCardAssist(form_structures));
+
+  // Can be shown if the context is secure.
+  autofill_client_.set_is_context_secure(true);
+  EXPECT_TRUE(autofill_assistant_.CanShowCreditCardAssist(form_structures));
+}
+
 TEST_F(AutofillAssistantTest, ShowAssistForCreditCard_ValidCard) {
   EnableAutofillCreditCardAssist();
   std::unique_ptr<FormStructure> form_structure = CreateValidCreditCardForm();