[iOS] Added Change Password URLs Affiliation service feature to flags.

This features allows obtaining Change Password URLs from the Affiliation
Service. Also UseOfHashAffiliationFetcher enables usage of Affiliation
Service for non-synced uses.

Bug: 1154587
Change-Id: Ieab7624bf99ab645d33096b691b191b87e6fb71f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2567391
Commit-Queue: Viktor Semeniuk <vsemeniuk@google.com>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#840124}

ios/chrome/browser/flags/about_flags.mm

@@ -587,6 +587,18 @@ const flags_ui::FeatureEntry kFeatureEntries[] = {
      flag_descriptions::kIOSPersistCrashRestoreName,
      flag_descriptions::kIOSPersistCrashRestoreDescription, flags_ui::kOsIos,
      FEATURE_VALUE_TYPE(kIOSPersistCrashRestore)},
+    {"change-password-affiliation",
+     flag_descriptions::kChangePasswordAffiliationInfoName,
+     flag_descriptions::kChangePasswordAffiliationInfoDescription,
+     flags_ui::kOsIos,
+     FEATURE_VALUE_TYPE(
+         password_manager::features::kChangePasswordAffiliationInfo)},
+    {"use-of-hash-affiliation-fetcher",
+     flag_descriptions::kUseOfHashAffiliationFetcherName,
+     flag_descriptions::kUseOfHashAffiliationFetcherDescription,
+     flags_ui::kOsIos,
+     FEATURE_VALUE_TYPE(
+         password_manager::features::kUseOfHashAffiliationFetcher)},
 };
 
 bool SkipConditionalFeatureEntry(const flags_ui::FeatureEntry& entry) {

ios/chrome/browser/flags/ios_chrome_flag_descriptions.cc

@@ -108,6 +108,12 @@ const char kBreakpadNoDelayInitialUploadDescription[] =
     "disabled, initial upload is delayed until deferred initialization. This "
     "does not affect recovery mode.";
 
+const char kChangePasswordAffiliationInfoName[] =
+    "Using Affiliation Service for Change Password URLs";
+const char kChangePasswordAffiliationInfoDescription[] =
+    "In case site doesn't support /.well-known/change-password Chrome will try "
+    "to obtain it using Affiliation Service.";
+
 const char kCollectionsCardPresentationStyleName[] =
     "Card style presentation for Collections.";
 const char kCollectionsCardPresentationStyleDescription[] =
@@ -433,6 +439,12 @@ const char kUseJSForErrorPageName[] = "Enable new error page workflow";
 const char kUseJSForErrorPageDescription[] =
     "Use JavaScript for the error pages";
 
+const char kUseOfHashAffiliationFetcherName[] =
+    "Use of Hash Affiliation Fetcher";
+const char kUseOfHashAffiliationFetcherDescription[] =
+    "All requests to the affiliation fetcher are made through the hash prefix "
+    "lookup. Enables use of Hash Affiliation Service for non-synced users.";
+
 const char kWalletServiceUseSandboxName[] = "Use Google Payments sandbox";
 const char kWalletServiceUseSandboxDescription[] =
     "Uses the sandbox service for Google Payments API calls.";

ios/chrome/browser/flags/ios_chrome_flag_descriptions.h

@@ -96,6 +96,11 @@ extern const char kSyntheticCrashReportsForUteDescription[];
 extern const char kBreakpadNoDelayInitialUploadName[];
 extern const char kBreakpadNoDelayInitialUploadDescription[];
 
+// Title and description for the flag to control if change password url should
+// be obtained by affiliation service.
+extern const char kChangePasswordAffiliationInfoName[];
+extern const char kChangePasswordAffiliationInfoDescription[];
+
 // Title and description for the flag that controls whether Collections are
 // presented using the new iOS13 Card style or the custom legacy one.
 extern const char kCollectionsCardPresentationStyleName[];
@@ -374,6 +379,10 @@ extern const char kURLBlocklistIOSDescription[];
 extern const char kUseJSForErrorPageName[];
 extern const char kUseJSForErrorPageDescription[];
 
+// Title and description for the flag to enable use of hash affiliation service.
+extern const char kUseOfHashAffiliationFetcherName[];
+extern const char kUseOfHashAffiliationFetcherDescription[];
+
 // Title and description for the flag to control if Google Payments API calls
 // should use the sandbox servers.
 extern const char kWalletServiceUseSandboxName[];