Add WellKnownChangePassword flag to chrome://flags on iOS

Bug: 927473
Change-Id: I86ea71e72d2d3db4473c7a0b9687c700212d5975
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2379765Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#803064}

ios/chrome/browser/flags/about_flags.mm

@@ -673,6 +673,10 @@ const flags_ui::FeatureEntry kFeatureEntries[] = {
      flag_descriptions::kExtendOpenInFilesSupportName,
      flag_descriptions::kExtendOpenInFilesSupportDescription, flags_ui::kOsIos,
      FEATURE_VALUE_TYPE(kExtendOpenInFilesSupport)},
+    {"well-known-change-password",
+     flag_descriptions::kWellKnownChangePasswordName,
+     flag_descriptions::kWellKnownChangePasswordDescription, flags_ui::kOsIos,
+     FEATURE_VALUE_TYPE(password_manager::features::kWellKnownChangePassword)},
 };
 
 bool SkipConditionalFeatureEntry(const flags_ui::FeatureEntry& entry) {

ios/chrome/browser/flags/ios_chrome_flag_descriptions.cc

@@ -505,6 +505,15 @@ const char kWebPageTextAccessibilityName[] =
 const char kWebPageTextAccessibilityDescription[] =
     "When enabled, text in web pages will respect the user's Dynamic Type "
     "setting.";
+
+const char kWellKnownChangePasswordName[] =
+    "Support for .well-known/change-password";
+const char kWellKnownChangePasswordDescription[] =
+    "If enabled the 'change password' button in password checkup redirects to "
+    "the .well-known/change-password path. The path is supposed to point to "
+    "the password change form of the site. When the site doesn't support "
+    ".well-known/change-password it is checked if a fallback url is available. "
+    "Otherwise the user is redirected to the origin.";
 // Please insert your name/description above in alphabetical order.
 
 }  // namespace flag_descriptions

ios/chrome/browser/flags/ios_chrome_flag_descriptions.h

@@ -442,6 +442,9 @@ extern const char kWebPageDefaultZoomFromDynamicTypeDescription[];
 extern const char kWebPageTextAccessibilityName[];
 extern const char kWebPageTextAccessibilityDescription[];
 
+extern const char kWellKnownChangePasswordName[];
+extern const char kWellKnownChangePasswordDescription[];
+
 // Please add names and descriptions above in alphabetical order.
 
 }  // namespace flag_descriptions