Enable Autofill in iframe flag by default.

This feature will still be controlled by frame messaging.

Bug: 881364
Cq-Include-Trybots: luci.chromium.try:ios-simulator-cronet;luci.chromium.try:ios-simulator-full-configs
Change-Id: Ibdf1c1c6ed616475a1d6d2c45929831a2c5fe5e9
Reviewed-on: https://chromium-review.googlesource.com/1245728Reviewed-by: Eric Noyau <noyau@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Reviewed-by: Moe Ahmadi <mahmadi@chromium.org>
Commit-Queue: Olivier Robin <olivierrobin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594373}

components/autofill/core/common/autofill_features.cc

@@ -73,7 +73,7 @@ const base::Feature kAutofillEnableCompanyName{
 
 // Controls whether the iframe messaging is enabled for autofill on iOS.
 const base::Feature kAutofillEnableIFrameSupportOniOS{
-    "AutofillEnableIFrameSupportOniOS", base::FEATURE_DISABLED_BY_DEFAULT};
+    "AutofillEnableIFrameSupportOniOS", base::FEATURE_ENABLED_BY_DEFAULT};
 
 // Controls whether the server credit cards are offered to be filled and
 // uploaded to Google Pay if the sync service is in auth error.

ios/chrome/browser/about_flags.mm

@@ -251,11 +251,6 @@ const flags_ui::FeatureEntry kFeatureEntries[] = {
      flag_descriptions::kAutofillIOSDelayBetweenFieldsName,
      flag_descriptions::kAutofillIOSDelayBetweenFieldsDescription,
      flags_ui::kOsIos, MULTI_VALUE_TYPE(kAutofillIOSDelayBetweenFieldsChoices)},
-    {"autofill-ios-iframe-support",
-     flag_descriptions::kAutofillEnableIFrameSupportOniOSName,
-     flag_descriptions::kAutofillEnableIFrameSupportOniOSDescription,
-     flags_ui::kOsIos,
-     FEATURE_VALUE_TYPE(autofill::features::kAutofillEnableIFrameSupportOniOS)},
     {"mailto-handling-google-ui",
      flag_descriptions::kMailtoHandlingWithGoogleUIName,
      flag_descriptions::kMailtoHandlingWithGoogleUIDescription,

ios/chrome/browser/ios_chrome_flag_descriptions.cc

@@ -34,11 +34,6 @@ const char kAutofillDownstreamUseGooglePayBrandingOniOSDescription[] =
     "When enabled, shows the Google Pay logo animation when showing payments"
     "credit card suggestions in downstream keyboard accessory";
 
-const char kAutofillEnableIFrameSupportOniOSName[] =
-    "Enable iFrame messaging for autofill.";
-const char kAutofillEnableIFrameSupportOniOSDescription[] =
-    "When enabled, autofill is available in secure iframes.";
-
 const char kEnableAutofillCreditCardUploadUpdatePromptExplanationName[] =
     "Enable updated prompt explanation when offering credit card upload";
 const char kEnableAutofillCreditCardUploadUpdatePromptExplanationDescription[] =

ios/chrome/browser/ios_chrome_flag_descriptions.h

@@ -24,11 +24,6 @@ extern const char kAutofillCreditCardUploadDescription[];
 extern const char kAutofillDownstreamUseGooglePayBrandingOniOSName[];
 extern const char kAutofillDownstreamUseGooglePayBrandingOniOSDescription[];
 
-// Title and description for the flag to control the usage of iframe messaging
-// for autofill on iOS.
-extern const char kAutofillEnableIFrameSupportOniOSName[];
-extern const char kAutofillEnableIFrameSupportOniOSDescription[];
-
 // Title and description for the flag to control the updated prompt explanation
 // when offering credit card upload.
 extern const char kEnableAutofillCreditCardUploadUpdatePromptExplanationName[];