[Autofill] Removed obsolete feature AutofillPreferServerNamePredictions.

The feature is disabled by default and is not subject to an active
experiment.

Bug: 1007974
Change-Id: I304f6a1c64ff3370fff91c63bb50ce1441d9bf1b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2410020
Commit-Queue: Christoph Schwering <schwering@google.com>
Reviewed-by: Matthias Körber <koerber@google.com>
Cr-Commit-Position: refs/heads/master@{#809611}

components/autofill/core/browser/autofill_field.cc

@@ -129,20 +129,14 @@ AutofillType AutofillField::ComputedType() const {
     // decision to prefer the heuristics in these cases, but it looks like
     // it might be better to fix this server-side.
     // See http://crbug.com/429236 for background.
-    bool believe_server;
-    if (base::FeatureList::IsEnabled(
-            features::kAutofillPreferServerNamePredictions)) {
-      believe_server = true;
-    } else {
-      believe_server = !(server_type_ == NAME_FULL &&
-                         heuristic_type_ == CREDIT_CARD_NAME_FULL) &&
-                       !(server_type_ == CREDIT_CARD_NAME_FULL &&
-                         heuristic_type_ == NAME_FULL) &&
-                       !(server_type_ == NAME_FIRST &&
-                         heuristic_type_ == CREDIT_CARD_NAME_FIRST) &&
-                       !(server_type_ == NAME_LAST &&
-                         heuristic_type_ == CREDIT_CARD_NAME_LAST);
-    }
+    bool believe_server = !(server_type_ == NAME_FULL &&
+                            heuristic_type_ == CREDIT_CARD_NAME_FULL) &&
+                          !(server_type_ == CREDIT_CARD_NAME_FULL &&
+                            heuristic_type_ == NAME_FULL) &&
+                          !(server_type_ == NAME_FIRST &&
+                            heuristic_type_ == CREDIT_CARD_NAME_FIRST) &&
+                          !(server_type_ == NAME_LAST &&
+                            heuristic_type_ == CREDIT_CARD_NAME_LAST);
 
     // Either way, retain a preference for the the CVC heuristic over the
     // server's password predictions (http://crbug.com/469007)

components/autofill/core/common/autofill_features.cc

@@ -191,9 +191,6 @@ const base::Feature kAutofillOffNoServerData{"AutofillOffNoServerData",
 const base::Feature kAutofillOverrideWithRaterConsensus{
     "AutofillOverrideWithRaterConsensus", base::FEATURE_DISABLED_BY_DEFAULT};
 
-const base::Feature kAutofillPreferServerNamePredictions{
-    "AutofillPreferServerNamePredictions", base::FEATURE_DISABLED_BY_DEFAULT};
-
 // If feature is enabled, autofill will be disabled for mixed forms (forms on
 // HTTPS sites that submit over HTTP).
 const base::Feature kAutofillPreventMixedFormsFilling{

components/autofill/core/common/autofill_features.h

@@ -54,7 +54,6 @@ extern const base::Feature kAutofillPruneSuggestions;
 extern const base::Feature kAutofillMetadataUploads;
 extern const base::Feature kAutofillOffNoServerData;
 extern const base::Feature kAutofillOverrideWithRaterConsensus;
-extern const base::Feature kAutofillPreferServerNamePredictions;
 extern const base::Feature kAutofillPreventMixedFormsFilling;
 extern const base::Feature kAutofillProbableFormSubmissionInBrowser;
 extern const base::Feature kAutofillProfileClientValidation;