[Autofill] Remove AutofillScanCardholderName feature

It's dead code with no development, and Rouslan said to kill it with
fire. :)

Bug: 881343
Change-Id: I7c41130b4a1aa0e7a537e95a0b0e6aaac83aa591
Reviewed-on: https://chromium-review.googlesource.com/c/1300794Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Reviewed-by: Ted Choc <tedchoc@chromium.org>
Commit-Queue: Jared Saul <jsaul@google.com>
Cr-Commit-Position: refs/heads/master@{#603230}

chrome/android/java/src/org/chromium/chrome/browser/ChromeFeatureList.java

@@ -158,7 +158,6 @@ public abstract class ChromeFeatureList {
     public static final String AUTOFILL_ASSISTANT = "AutofillAssistant";
     public static final String AUTOFILL_REFRESH_STYLE_ANDROID = "AutofillRefreshStyleAndroid";
     public static final String AUTOFILL_KEYBOARD_ACCESSORY = "AutofillKeyboardAccessory";
-    public static final String AUTOFILL_SCAN_CARDHOLDER_NAME = "AutofillScanCardholderName";
     public static final String CAF_MEDIA_ROUTER_IMPL = "CafMediaRouterImpl";
     public static final String CAPTIVE_PORTAL_CERTIFICATE_LIST = "CaptivePortalCertificateList";
     public static final String CCT_BACKGROUND_TAB = "CCTBackgroundTab";

chrome/browser/android/chrome_feature_list.cc

@@ -52,7 +52,6 @@ namespace {
 const base::Feature* kFeaturesExposedToJava[] = {
     &autofill::features::kAutofillManualFallbackAndroid,
     &autofill::features::kAutofillRefreshStyleAndroid,
-    &autofill::features::kAutofillScanCardholderName,
     &contextual_suggestions::kContextualSuggestionsAlternateCardLayout,
     &contextual_suggestions::kContextualSuggestionsButton,
     &contextual_suggestions::kContextualSuggestionsIPHReverseScroll,

chrome/browser/ui/android/autofill/credit_card_scanner_view_android.cc

@@ -8,13 +8,11 @@
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
-#include "base/feature_list.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/ui/android/view_android_helper.h"
 #include "chrome/browser/ui/autofill/credit_card_scanner_view_delegate.h"
 #include "components/autofill/core/browser/credit_card.h"
 #include "components/autofill/core/browser/field_types.h"
-#include "components/autofill/core/common/autofill_features.h"
 #include "jni/CreditCardScannerBridge_jni.h"
 #include "ui/android/view_android.h"
 #include "ui/android/window_android.h"
@@ -68,12 +66,6 @@ void CreditCardScannerViewAndroid::ScanCompleted(
   card.SetExpirationMonth(static_cast<int>(expiration_month));
   card.SetExpirationYear(static_cast<int>(expiration_year));
 
-  base::string16 name =
-      base::android::ConvertJavaStringToUTF16(env, card_holder_name);
-  DCHECK(name.empty() ||
-         base::FeatureList::IsEnabled(features::kAutofillScanCardholderName));
-  card.SetRawInfo(CREDIT_CARD_NAME_FULL, name);
-
   delegate_->ScanCompleted(card);
 }
 

components/autofill/core/browser/autofill_manager.cc

@@ -211,11 +211,7 @@ bool AutofillManager::ShouldShowScanCreditCard(const FormData& form,
       base::ContainsOnlyChars(CreditCard::StripSeparators(field.value),
                               base::ASCIIToUTF16("0123456789"));
 
-  bool is_scannable_name_on_card_field =
-      autofill_field->Type().GetStorableType() == CREDIT_CARD_NAME_FULL &&
-      base::FeatureList::IsEnabled(features::kAutofillScanCardholderName);
-
-  if (!is_card_number_field && !is_scannable_name_on_card_field)
+  if (!is_card_number_field)
     return false;
 
   if (IsFormNonSecure(form))

components/autofill/core/common/autofill_features.cc

@@ -176,9 +176,6 @@ const base::Feature kAutofillSaveCreditCardUsesStrikeSystem{
     "AutofillSaveCreditCardUsesStrikeSystem",
     base::FEATURE_DISABLED_BY_DEFAULT};
 
-const base::Feature kAutofillScanCardholderName{
-    "AutofillScanCardholderName", base::FEATURE_DISABLED_BY_DEFAULT};
-
 // Controls whether experiment ids should be sent through
 // Google Payments RPCs or not.
 const base::Feature kAutofillSendExperimentIdsInPaymentsRPCs{

components/autofill/core/common/autofill_features.h

@@ -55,7 +55,6 @@ extern const base::Feature kAutofillSaveCardDialogUnlabeledExpirationDate;
 extern const base::Feature kAutofillSaveCardSignInAfterLocalSave;
 extern const base::Feature kAutofillSaveCreditCardUsesStrikeSystem;
 extern const base::Feature kAutofillSaveOnProbablySubmitted;
-extern const base::Feature kAutofillScanCardholderName;
 extern const base::Feature kAutofillSendExperimentIdsInPaymentsRPCs;
 extern const base::Feature kAutofillSendOnlyCountryInGetUploadDetails;
 extern const base::Feature kAutofillServerCommunication;