[Password Generation] Update UI to match final mocks.

components/autofill/core/common/autofill_switches.cc

Index: components/autofill/core/common/autofill_switches.cc
diff --git a/components/autofill/core/common/autofill_switches.cc b/components/autofill/core/common/autofill_switches.cc
index 8174c038203378a1efb2162dd17aa3ea11a0f9bb..c7cd3acdd83dc2aed4c25af5ff116263b60d7d68 100644
--- a/components/autofill/core/common/autofill_switches.cc
+++ b/components/autofill/core/common/autofill_switches.cc
@@ -31,10 +31,10 @@ const char kEnableInteractiveAutocomplete[] = "enable-interactive-autocomplete";
 // account creation.
 const char kEnablePasswordGeneration[]      = "enable-password-generation";
 
-// Removes the requirement that we recieved a ping from the autofill servers.
-// Used in testing.
-const char kNoAutofillNecessaryForPasswordGeneration[] =
-    "no-autofill-for-password-generation";
+// Removes the requirement that we recieved a ping from the autofill servers
+// and that the user doesn't have the given form blacklisted. Used in testing.
+const char kLocalHeuristicsOnlyForPasswordGeneration[] =
+    "local-heuristics-only-for-password-generation";
 
 // Annotates forms with Autofill field type predictions.
 const char kShowAutofillTypePredictions[]   = "show-autofill-type-predictions";