[AF] Adds flags for restricting formless form extraction to about_flags

Bug: 834404
Cq-Include-Trybots: master.tryserver.chromium.mac:ios-simulator-cronet;master.tryserver.chromium.mac:ios-simulator-full-configs
Change-Id: I95e93dfae14271e2cd08a42685b8e3f3ad9ff169
Reviewed-on: https://chromium-review.googlesource.com/1022076Reviewed-by: Roger McFarlane <rogerm@chromium.org>
Commit-Queue: Moe Ahmadi <mahmadi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#552437}

chrome/browser/about_flags.cc

@@ -3807,6 +3807,14 @@ const FeatureEntry kFeatureEntries[] = {
      flag_descriptions::kAutofillDynamicFormsDescription, kOsAll,
      FEATURE_VALUE_TYPE(autofill::features::kAutofillDynamicForms)},
 
+    {"autofill-restrict-formless-form-extraction",
+     flag_descriptions::kAutofillRestrictUnownedFieldsToFormlessCheckoutName,
+     flag_descriptions::
+         kAutofillRestrictUnownedFieldsToFormlessCheckoutDescription,
+     kOsAll,
+     FEATURE_VALUE_TYPE(
+         autofill::features::kAutofillRestrictUnownedFieldsToFormlessCheckout)},
+
 #if defined(TOOLKIT_VIEWS)
     {"views-cast-dialog", flag_descriptions::kViewsCastDialogName,
      flag_descriptions::kViewsCastDialogDescription, kOsDesktop,

chrome/browser/flag_descriptions.cc

@@ -59,6 +59,11 @@ const char kAutofillDynamicFormsName[] = "Autofill Dynamic Forms";
 const char kAutofillDynamicFormsDescription[] =
     "Allows autofill to fill dynamically changing forms";
 
+const char kAutofillRestrictUnownedFieldsToFormlessCheckoutName[] =
+    "Restrict formless form extraction";
+const char kAutofillRestrictUnownedFieldsToFormlessCheckoutDescription[] =
+    "Restrict extraction of formless forms to checkout flows";
+
 const char kAutoplayPolicyName[] = "Autoplay policy";
 const char kAutoplayPolicyDescription[] =
     "Policy used when deciding if audio or video is allowed to autoplay.";

chrome/browser/flag_descriptions.h

@@ -67,6 +67,9 @@ extern const char kAsyncImageDecodingDescription[];
 extern const char kAutofillDynamicFormsName[];
 extern const char kAutofillDynamicFormsDescription[];
 
+extern const char kAutofillRestrictUnownedFieldsToFormlessCheckoutName[];
+extern const char kAutofillRestrictUnownedFieldsToFormlessCheckoutDescription[];
+
 extern const char kAutoplayPolicyName[];
 extern const char kAutoplayPolicyDescription[];
 

ios/chrome/browser/about_flags.mm

@@ -264,6 +264,13 @@ const flags_ui::FeatureEntry kFeatureEntries[] = {
     {"autofill-dynamic-forms", flag_descriptions::kAutofillDynamicFormsName,
      flag_descriptions::kAutofillDynamicFormsDescription, flags_ui::kOsIos,
      FEATURE_VALUE_TYPE(autofill::features::kAutofillDynamicForms)},
+    {"autofill-restrict-formless-form-extraction",
+     flag_descriptions::kAutofillRestrictUnownedFieldsToFormlessCheckoutName,
+     flag_descriptions::
+         kAutofillRestrictUnownedFieldsToFormlessCheckoutDescription,
+     flags_ui::kOsIos,
+     FEATURE_VALUE_TYPE(
+         autofill::features::kAutofillRestrictUnownedFieldsToFormlessCheckout)},
     {"ui-refresh-location-bar", flag_descriptions::kUIRefreshLocationBarName,
      flag_descriptions::kUIRefreshLocationBarDescription, flags_ui::kOsIos,
      FEATURE_VALUE_TYPE(kUIRefreshLocationBar)},

ios/chrome/browser/ios_chrome_flag_descriptions.cc

@@ -20,6 +20,11 @@ const char kAutofillDynamicFormsName[] = "Autofill dynamic forms";
 const char kAutofillDynamicFormsDescription[] =
     "Refills forms that dynamically change after an initial fill";
 
+const char kAutofillRestrictUnownedFieldsToFormlessCheckoutName[] =
+    "Restrict formless form extraction";
+const char kAutofillRestrictUnownedFieldsToFormlessCheckoutDescription[] =
+    "Restrict extraction of formless forms to checkout flows";
+
 const char kBrowserTaskScheduler[] = "Task Scheduler";
 const char kBrowserTaskSchedulerDescription[] =
     "Enables redirection of some task posting APIs to the task scheduler.";

ios/chrome/browser/ios_chrome_flag_descriptions.h

@@ -15,6 +15,11 @@ extern const char kAutofillIOSDelayBetweenFieldsDescription[];
 extern const char kAutofillDynamicFormsName[];
 extern const char kAutofillDynamicFormsDescription[];
 
+// Title and description for the flag to restrict extraction of formless forms
+// to checkout flows.
+extern const char kAutofillRestrictUnownedFieldsToFormlessCheckoutName[];
+extern const char kAutofillRestrictUnownedFieldsToFormlessCheckoutDescription[];
+
 // Title and description for the flag to control redirection to the task
 // scheduler.
 extern const char kBrowserTaskScheduler[];

tools/metrics/histograms/enums.xml

@@ -27724,6 +27724,8 @@ from previous Chrome versions.
   <int value="1689183477" label="enable-merge-key-char-events"/>
   <int value="1690837904" label="save-previous-document-resources"/>
   <int value="1691568199" label="AndroidSpellCheckerNonLowEnd:disabled"/>
+  <int value="1694766748"
+      label="AutofillRestrictUnownedFieldsToFormlessCheckout:enabled"/>
   <int value="1694854500" label="disable-save-password-bubble"/>
   <int value="1696139514" label="enable-ble-advertising-in-apps"/>
   <int value="1697189972" label="WebPaymentsSingleAppUiSkip:disabled"/>
@@ -27837,6 +27839,8 @@ from previous Chrome versions.
   <int value="1942911276" label="enable-grouped-history"/>
   <int value="1944156526" label="sync-url"/>
   <int value="1947350992" label="drop-sync-credential:disabled"/>
+  <int value="1949019439"
+      label="AutofillRestrictUnownedFieldsToFormlessCheckout:disabled"/>
   <int value="1949908940" label="disable-zip-archiver-unpacker"/>
   <int value="1951466218" label="enable-data-reduction-proxy-lite-page"/>
   <int value="1955677113" label="trace-export-events-to-etw"/>