Update affiliated web credentials when Android credentials are updated.

components/password_manager/core/browser/affiliation_utils.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file contains utilities related to working with "facets".
 //
 // A "facet" is defined as the manifestation of a logical application on a given
 // platform. For example, "My Bank" may have released an Android application
 // and a Web application accessible from a browser. These are all facets of the
 // "My Bank" logical application.
@@ skipping 159 matching lines @@
                                 const AffiliatedFacets& b);
 
 // A shorter way to spell FacetURI::IsValidAndroidFacetURI().
 bool IsValidAndroidFacetURI(const std::string& uri);
 
 // Returns whether or not affiliation based matching is enabled, either via
 // command line flags or field trials. The command line flag, if present, always
 // takes precedence.
 bool IsAffiliationBasedMatchingEnabled(const base::CommandLine& command_line);
 
+// Returns whether or not the "propagating password changes to affiliated saved
+// web credentials" sub-feature is enabled via variation parameters. However, if
+// the entire affiliation-based matching feature is forced enabled/disabled via
+// the command line, the sub-feature will be enabled/disabled correspondingly.
+bool IsUpdatingAffiliatedWebCredentialsEnabled(
+    const base::CommandLine& command_line);
+
 // For logging use only.
 std::ostream& operator<<(std::ostream& os, const FacetURI& facet_uri);
 
 }  // namespace password_manager
 
 // Provide a hash function so that hash_sets and maps can contain FacetURIs.
 namespace BASE_HASH_NAMESPACE {
 
 template <>
 struct hash<password_manager::FacetURI> {
   size_t operator()(const password_manager::FacetURI& facet_uri) const {
     return hash<std::string>()(facet_uri.potentially_invalid_spec());
   }
 };
 
 }  // namespace BASE_HASH_NAMESPACE
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_AFFILIATION_UTILS_H_